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	<id>https://teaching.ncl.ac.uk/bms/wiki//index.php?action=history&amp;feed=atom&amp;title=Beta_decay</id>
	<title>Beta decay - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://teaching.ncl.ac.uk/bms/wiki//index.php?action=history&amp;feed=atom&amp;title=Beta_decay"/>
	<link rel="alternate" type="text/html" href="https://teaching.ncl.ac.uk/bms/wiki//index.php?title=Beta_decay&amp;action=history"/>
	<updated>2026-04-09T12:25:59Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.44.0</generator>
	<entry>
		<id>https://teaching.ncl.ac.uk/bms/wiki//index.php?title=Beta_decay&amp;diff=16707&amp;oldid=prev</id>
		<title>Nnjm2: Added a reference section header.</title>
		<link rel="alternate" type="text/html" href="https://teaching.ncl.ac.uk/bms/wiki//index.php?title=Beta_decay&amp;diff=16707&amp;oldid=prev"/>
		<updated>2016-12-04T17:16:19Z</updated>

		<summary type="html">&lt;p&gt;Added a reference section header.&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 17:16, 4 December 2016&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l5&quot;&gt;Line 5:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 5:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Beta plus decay occurs in unstable nuclei with too many protons. One proton becomes a neutron with the release of a&amp;amp;nbsp;β&amp;lt;sup&amp;gt;+ &amp;lt;/sup&amp;gt;particle (a [[Positron|positron]]) and a [[Neutrino|neutrino]]. The result of this decay is the nuclei of a different element, which is located one box to the left of the original element on the periodic table&amp;lt;ref name=&amp;quot;[1]&amp;quot;&amp;gt;Breithaupt J. AQA physics A A2: student&amp;#039;s book. UK: Nelson Thornes. 2008.&amp;lt;/ref&amp;gt;.&amp;lt;sup&amp;gt;&amp;lt;/sup&amp;gt;  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Beta plus decay occurs in unstable nuclei with too many protons. One proton becomes a neutron with the release of a&amp;amp;nbsp;β&amp;lt;sup&amp;gt;+ &amp;lt;/sup&amp;gt;particle (a [[Positron|positron]]) and a [[Neutrino|neutrino]]. The result of this decay is the nuclei of a different element, which is located one box to the left of the original element on the periodic table&amp;lt;ref name=&amp;quot;[1]&amp;quot;&amp;gt;Breithaupt J. AQA physics A A2: student&amp;#039;s book. UK: Nelson Thornes. 2008.&amp;lt;/ref&amp;gt;.&amp;lt;sup&amp;gt;&amp;lt;/sup&amp;gt;  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;br&amp;gt; &lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;=== References ===&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;references /&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;references /&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Nnjm2</name></author>
	</entry>
	<entry>
		<id>https://teaching.ncl.ac.uk/bms/wiki//index.php?title=Beta_decay&amp;diff=16672&amp;oldid=prev</id>
		<title>160386374 at 16:13, 4 December 2016</title>
		<link rel="alternate" type="text/html" href="https://teaching.ncl.ac.uk/bms/wiki//index.php?title=Beta_decay&amp;diff=16672&amp;oldid=prev"/>
		<updated>2016-12-04T16:13:55Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 16:13, 4 December 2016&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;There are two types of beta decay: beta plus decay and beta minus decay. Only beta minus decay, however, occurs naturally.&amp;lt;br&amp;gt;  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;There are two types of beta decay: beta plus decay and beta minus decay. Only beta minus decay, however, occurs naturally&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;ref name=&quot;[1]&quot;&amp;gt;Breithaupt J. AQA physics A A2: student&#039;s book. UK: Nelson Thornes. 2008.&amp;lt;/ref&amp;gt;&lt;/ins&gt;.&amp;lt;br&amp;gt;  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Beta minus decay occurs in unstable [[Nuclei|nuclei]] with too many [[Neutrons|neutrons]]. One of the neutrons becomes a [[Proton|proton]] in a process that involves the release of a&amp;amp;nbsp;[[Β particle|β&amp;lt;sup&amp;gt;- &amp;lt;/sup&amp;gt;particle]] (a high energy [[Electron transport chain|electron]]) and an [[Antineutrino|antineutrino]]. The result is the nuclei of a different [[Element|element]]. This element is located one box to the right of the original element on the [[Periodic table|periodic table]].&amp;lt;br&amp;gt;&amp;lt;sup&amp;gt;&amp;lt;/sup&amp;gt;  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Beta minus decay occurs in unstable [[Nuclei|nuclei]] with too many [[Neutrons|neutrons]]. One of the neutrons becomes a [[Proton|proton]] in a process that involves the release of a&amp;amp;nbsp;[[Β particle|β&amp;lt;sup&amp;gt;- &amp;lt;/sup&amp;gt;particle]] (a high energy [[Electron transport chain|electron]]) and an [[Antineutrino|antineutrino]]. The result is the nuclei of a different [[Element|element]]. This element is located one box to the right of the original element on the [[Periodic table|periodic table]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;nbsp;&amp;lt;ref name=&quot;[1]&quot;&amp;gt;Breithaupt J. AQA physics A A2: student&#039;s book. UK: Nelson Thornes. 2008.&amp;lt;/ref&amp;gt;&lt;/ins&gt;.&amp;lt;br&amp;gt;&amp;lt;sup&amp;gt;&amp;lt;/sup&amp;gt;  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Beta plus decay occurs in unstable nuclei with too many protons. One proton becomes a neutron with the release of a&amp;amp;nbsp;β&amp;lt;sup&amp;gt;+ &amp;lt;/sup&amp;gt;particle (a [[Positron|positron]]) and a [[Neutrino|neutrino]]. The result of this decay is the nuclei of a different element, which is located one box to the left of the original element on the periodic table.&amp;lt;sup&amp;gt;&amp;lt;/sup&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Beta plus decay occurs in unstable nuclei with too many protons. One proton becomes a neutron with the release of a&amp;amp;nbsp;β&amp;lt;sup&amp;gt;+ &amp;lt;/sup&amp;gt;particle (a [[Positron|positron]]) and a [[Neutrino|neutrino]]. The result of this decay is the nuclei of a different element, which is located one box to the left of the original element on the periodic table&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;ref name=&quot;[1]&quot;&amp;gt;Breithaupt J. AQA physics A A2: student&#039;s book. UK: Nelson Thornes. 2008.&amp;lt;/ref&amp;gt;&lt;/ins&gt;.&amp;lt;sup&amp;gt;&amp;lt;/sup&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;gt; &lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;br&amp;gt; &lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;references /&lt;/ins&gt;&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>160386374</name></author>
	</entry>
	<entry>
		<id>https://teaching.ncl.ac.uk/bms/wiki//index.php?title=Beta_decay&amp;diff=16458&amp;oldid=prev</id>
		<title>Nnjm2: Rolled the page back as it had been incorrectly edited. A lot of stray HTML had been introduced.</title>
		<link rel="alternate" type="text/html" href="https://teaching.ncl.ac.uk/bms/wiki//index.php?title=Beta_decay&amp;diff=16458&amp;oldid=prev"/>
		<updated>2016-12-03T14:11:15Z</updated>

		<summary type="html">&lt;p&gt;Rolled the page back as it had been incorrectly edited. A lot of stray HTML had been introduced.&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 14:11, 3 December 2016&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;p&amp;gt;&lt;/del&gt;There are two types of beta decay: beta plus decay and beta minus decay. Only beta minus decay, however, occurs naturally&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;span class=&quot;fck_mw_ref&quot; _fck_mw_customtag=&quot;true&quot; _fck_mw_tagname=&quot;ref&quot; name=&quot;[1]&quot;&amp;gt;Breithaupt J. AQA physics A A2: student’s book. UK: Nelson Thornes. 2008.&amp;lt;/span&amp;gt;&lt;/del&gt;.&amp;lt;br &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/&lt;/del&gt;&amp;gt;  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;There are two types of beta decay: beta plus decay and beta minus decay. Only beta minus decay, however, occurs naturally.&amp;lt;br&amp;gt;  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/p&amp;gt;&amp;lt;p&amp;gt;&lt;/del&gt;Beta minus decay occurs in unstable &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;a href=&quot;&lt;/del&gt;Nuclei&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&quot;&amp;gt;&lt;/del&gt;nuclei&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/a&amp;gt; &lt;/del&gt;with too many &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;a href=&quot;&lt;/del&gt;Neutrons&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&quot;&amp;gt;&lt;/del&gt;neutrons&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/a&amp;gt;&lt;/del&gt;. One of the neutrons becomes a &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;a href=&quot;&lt;/del&gt;Proton&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&quot;&amp;gt;&lt;/del&gt;proton&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/a&amp;gt; &lt;/del&gt;in a process that involves the release of a&amp;amp;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;#160&lt;/del&gt;;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;a href=&quot;&lt;/del&gt;Β particle&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&quot;&amp;gt;&lt;/del&gt;β&amp;lt;sup&amp;gt;- &amp;lt;/sup&amp;gt;particle&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/a&amp;gt; &lt;/del&gt;(a high energy &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;a href=&quot;&lt;/del&gt;Electron transport chain&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&quot;&amp;gt;&lt;/del&gt;electron&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/a&amp;gt;&lt;/del&gt;) and an &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;a href=&quot;&lt;/del&gt;Antineutrino&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&quot;&amp;gt;&lt;/del&gt;antineutrino&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/a&amp;gt;&lt;/del&gt;. The result is the nuclei of a different &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;a href=&quot;&lt;/del&gt;Element&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&quot;&amp;gt;&lt;/del&gt;element&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/a&amp;gt;&lt;/del&gt;. This element is located one box to the right of the original element on the &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;a href=&quot;&lt;/del&gt;Periodic table&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&quot;&amp;gt;&lt;/del&gt;periodic table&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/a&amp;gt;&amp;amp;#160;&amp;lt;span class=&quot;fck_mw_ref&quot; _fck_mw_customtag=&quot;true&quot; _fck_mw_tagname=&quot;ref&quot; name=&quot;[1&lt;/del&gt;]&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&quot; /&amp;gt;&lt;/del&gt;.&amp;lt;br &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/&lt;/del&gt;&amp;gt;&amp;lt;sup&amp;gt;&amp;lt;/sup&amp;gt;  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/p&amp;gt;&amp;lt;p&amp;gt;&lt;/del&gt;Beta plus decay occurs in unstable nuclei with too many protons. One proton becomes a neutron with the release of a&amp;amp;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;#160&lt;/del&gt;;β&amp;lt;sup&amp;gt;+ &amp;lt;/sup&amp;gt;particle (a &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;a href=&quot;&lt;/del&gt;Positron&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&quot;&amp;gt;&lt;/del&gt;positron&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/a&amp;gt;&lt;/del&gt;) and a &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;a href=&quot;&lt;/del&gt;Neutrino&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&quot;&amp;gt;&lt;/del&gt;neutrino&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/a&amp;gt;&lt;/del&gt;. The result of this decay is the nuclei of a different element, which is located one box to the left of the original element on the periodic table&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;span class=&quot;fck_mw_ref&quot; _fck_mw_customtag=&quot;true&quot; _fck_mw_tagname=&quot;ref&quot; name=&quot;[1]&quot; /&amp;gt;&lt;/del&gt;.&amp;lt;sup&amp;gt;&amp;lt;/sup&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;gt; &lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Beta minus decay occurs in unstable &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;Nuclei&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|&lt;/ins&gt;nuclei&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]] &lt;/ins&gt;with too many &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;Neutrons&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|&lt;/ins&gt;neutrons&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;. One of the neutrons becomes a &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;Proton&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|&lt;/ins&gt;proton&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]] &lt;/ins&gt;in a process that involves the release of a&amp;amp;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;nbsp&lt;/ins&gt;;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;Β particle&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|&lt;/ins&gt;β&amp;lt;sup&amp;gt;- &amp;lt;/sup&amp;gt;particle&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]] &lt;/ins&gt;(a high energy &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;Electron transport chain&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|&lt;/ins&gt;electron&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;) and an &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;Antineutrino&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|&lt;/ins&gt;antineutrino&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;. The result is the nuclei of a different &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;Element&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|&lt;/ins&gt;element&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;. This element is located one box to the right of the original element on the &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;Periodic table&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|&lt;/ins&gt;periodic table]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]&lt;/ins&gt;.&amp;lt;br&amp;gt;&amp;lt;sup&amp;gt;&amp;lt;/sup&amp;gt;  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/p&amp;gt;&amp;lt;p&amp;gt;&amp;lt;br /&amp;gt; &lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/p&amp;gt;&amp;lt;p&amp;gt;&amp;lt;span class=&quot;fck_mw_references&quot; _fck_mw_customtag=&quot;true&quot; _fck_mw_tagname=&quot;references&quot; /&amp;gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Beta plus decay occurs in unstable nuclei with too many protons. One proton becomes a neutron with the release of a&amp;amp;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;nbsp&lt;/ins&gt;;β&amp;lt;sup&amp;gt;+ &amp;lt;/sup&amp;gt;particle (a &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;Positron&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|&lt;/ins&gt;positron&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;) and a &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;Neutrino&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|&lt;/ins&gt;neutrino&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;. The result of this decay is the nuclei of a different element, which is located one box to the left of the original element on the periodic table.&amp;lt;sup&amp;gt;&amp;lt;/sup&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/p&lt;/del&gt;&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Nnjm2</name></author>
	</entry>
	<entry>
		<id>https://teaching.ncl.ac.uk/bms/wiki//index.php?title=Beta_decay&amp;diff=16451&amp;oldid=prev</id>
		<title>160386374 at 14:00, 3 December 2016</title>
		<link rel="alternate" type="text/html" href="https://teaching.ncl.ac.uk/bms/wiki//index.php?title=Beta_decay&amp;diff=16451&amp;oldid=prev"/>
		<updated>2016-12-03T14:00:50Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 14:00, 3 December 2016&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;There are two types of beta decay: beta plus decay and beta minus decay. Only beta minus decay, however, occurs naturally.&amp;lt;br&amp;gt;  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;p&amp;gt;&lt;/ins&gt;There are two types of beta decay: beta plus decay and beta minus decay. Only beta minus decay, however, occurs naturally&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;span class=&quot;fck_mw_ref&quot; _fck_mw_customtag=&quot;true&quot; _fck_mw_tagname=&quot;ref&quot; name=&quot;[1]&quot;&amp;gt;Breithaupt J. AQA physics A A2: student’s book. UK: Nelson Thornes. 2008.&amp;lt;/span&amp;gt;&lt;/ins&gt;.&amp;lt;br &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/&lt;/ins&gt;&amp;gt;  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/p&amp;gt;&amp;lt;p&amp;gt;&lt;/ins&gt;Beta minus decay occurs in unstable &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;a href=&quot;Nuclei&quot;&amp;gt;&lt;/ins&gt;nuclei&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/a&amp;gt; &lt;/ins&gt;with too many &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;a href=&quot;Neutrons&quot;&amp;gt;&lt;/ins&gt;neutrons&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/a&amp;gt;&lt;/ins&gt;. One of the neutrons becomes a &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;a href=&quot;Proton&quot;&amp;gt;&lt;/ins&gt;proton&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/a&amp;gt; &lt;/ins&gt;in a process that involves the release of a&amp;amp;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;#160&lt;/ins&gt;;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;a href=&quot;Β &lt;/ins&gt;particle&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&quot;&amp;gt;&lt;/ins&gt;β&amp;lt;sup&amp;gt;- &amp;lt;/sup&amp;gt;particle&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/a&amp;gt; &lt;/ins&gt;(a high energy &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;a href=&quot;Electron &lt;/ins&gt;transport chain&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&quot;&amp;gt;&lt;/ins&gt;electron&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/a&amp;gt;&lt;/ins&gt;) and an &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;a href=&quot;Antineutrino&quot;&amp;gt;&lt;/ins&gt;antineutrino&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/a&amp;gt;&lt;/ins&gt;. The result is the nuclei of a different &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;a href=&quot;Element&quot;&amp;gt;&lt;/ins&gt;element&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/a&amp;gt;&lt;/ins&gt;. This element is located one box to the right of the original element on the &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;a href=&quot;Periodic &lt;/ins&gt;table&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&quot;&amp;gt;&lt;/ins&gt;periodic table&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/a&amp;gt;&amp;amp;#160;&amp;lt;span class=&quot;fck_mw_ref&quot; _fck_mw_customtag=&quot;true&quot; _fck_mw_tagname=&quot;ref&quot; name=&quot;[1&lt;/ins&gt;]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&quot; /&amp;gt;&lt;/ins&gt;.&amp;lt;br &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/&lt;/ins&gt;&amp;gt;&amp;lt;sup&amp;gt;&amp;lt;/sup&amp;gt;  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Beta minus decay occurs in unstable &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/del&gt;nuclei&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|nuclei]] &lt;/del&gt;with too many &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/del&gt;neutrons&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|neutrons]]&lt;/del&gt;. One of the neutrons becomes a &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/del&gt;proton&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|proton]] &lt;/del&gt;in a process that involves the release of a&amp;amp;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;nbsp&lt;/del&gt;;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[β &lt;/del&gt;particle&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|&lt;/del&gt;β&amp;lt;sup&amp;gt;- &amp;lt;/sup&amp;gt;particle&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]] &lt;/del&gt;(a high energy &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[electron &lt;/del&gt;transport chain&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|&lt;/del&gt;electron&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/del&gt;) and an &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/del&gt;antineutrino&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|antineutrino]]&lt;/del&gt;. The result is the nuclei of a different &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/del&gt;element&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|element]]&lt;/del&gt;. This element is located one box to the right of the original element on the &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[periodic &lt;/del&gt;table&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|&lt;/del&gt;periodic table]&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]&lt;/del&gt;.&amp;lt;br&amp;gt;&amp;lt;sup&amp;gt;&amp;lt;/sup&amp;gt;  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/p&amp;gt;&amp;lt;p&amp;gt;&lt;/ins&gt;Beta plus decay occurs in unstable nuclei with too many protons. One proton becomes a neutron with the release of a&amp;amp;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;#160&lt;/ins&gt;;β&amp;lt;sup&amp;gt;+ &amp;lt;/sup&amp;gt;particle (a &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;a href=&quot;Positron&quot;&amp;gt;&lt;/ins&gt;positron&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/a&amp;gt;&lt;/ins&gt;) and a &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;a href=&quot;Neutrino&quot;&amp;gt;&lt;/ins&gt;neutrino&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/a&amp;gt;&lt;/ins&gt;. The result of this decay is the nuclei of a different element, which is located one box to the left of the original element on the periodic table&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;span class=&quot;fck_mw_ref&quot; _fck_mw_customtag=&quot;true&quot; _fck_mw_tagname=&quot;ref&quot; name=&quot;[1]&quot; /&amp;gt;&lt;/ins&gt;.&amp;lt;sup&amp;gt;&amp;lt;/sup&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;gt; &lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/p&amp;gt;&amp;lt;p&amp;gt;&amp;lt;br /&amp;gt; &lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Beta plus decay occurs in unstable nuclei with too many protons. One proton becomes a neutron with the release of a&amp;amp;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;nbsp&lt;/del&gt;;β&amp;lt;sup&amp;gt;+ &amp;lt;/sup&amp;gt;particle (a &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/del&gt;positron&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|positron]]&lt;/del&gt;) and a &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/del&gt;neutrino&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|neutrino]]&lt;/del&gt;. The result of this decay is the nuclei of a different element, which is located one box to the left of the original element on the periodic table.&amp;lt;sup&amp;gt;&amp;lt;/sup&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/p&amp;gt;&amp;lt;p&amp;gt;&amp;lt;span class=&quot;fck_mw_references&quot; _fck_mw_customtag=&quot;true&quot; _fck_mw_tagname=&quot;references&quot; /&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/p&lt;/ins&gt;&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>160386374</name></author>
	</entry>
	<entry>
		<id>https://teaching.ncl.ac.uk/bms/wiki//index.php?title=Beta_decay&amp;diff=16427&amp;oldid=prev</id>
		<title>Nnjm2: Added links. There were no links!  Also, page needs some references.</title>
		<link rel="alternate" type="text/html" href="https://teaching.ncl.ac.uk/bms/wiki//index.php?title=Beta_decay&amp;diff=16427&amp;oldid=prev"/>
		<updated>2016-12-03T09:41:27Z</updated>

		<summary type="html">&lt;p&gt;Added links. There were no links!  Also, page needs some references.&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 09:41, 3 December 2016&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;There are two types of beta decay: beta plus decay and beta minus decay. Only beta minus decay, however, occurs naturally.&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;There are two types of beta decay: beta plus decay and beta minus decay. Only beta minus decay, however, occurs naturally.&amp;lt;br&amp;gt;  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Beta minus decay occurs in unstable nuclei with too many neutrons. One of the neutrons becomes a proton in a process that involves the release of a&amp;amp;nbsp;β&amp;lt;sup&amp;gt;- &amp;lt;/sup&amp;gt;particle (a high energy electron) and an antineutrino. The result is the nuclei of a different element. This element is located one box to the right of the original element on the periodic table.&amp;lt;br&amp;gt;&amp;lt;sup&amp;gt;&amp;lt;/sup&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Beta minus decay occurs in unstable &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;nuclei&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|nuclei]] &lt;/ins&gt;with too many &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;neutrons&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|neutrons]]&lt;/ins&gt;. One of the neutrons becomes a &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;proton&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|proton]] &lt;/ins&gt;in a process that involves the release of a&amp;amp;nbsp;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[β particle|&lt;/ins&gt;β&amp;lt;sup&amp;gt;- &amp;lt;/sup&amp;gt;particle&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]] &lt;/ins&gt;(a high energy &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[electron transport chain|&lt;/ins&gt;electron&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;) and an &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;antineutrino&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|antineutrino]]&lt;/ins&gt;. The result is the nuclei of a different &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;element&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|element]]&lt;/ins&gt;. This element is located one box to the right of the original element on the &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[periodic table|&lt;/ins&gt;periodic table&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;.&amp;lt;br&amp;gt;&amp;lt;sup&amp;gt;&amp;lt;/sup&amp;gt;  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Beta plus decay occurs in unstable nuclei with too many protons. One proton becomes a neutron with the release of a&amp;amp;nbsp;β&amp;lt;sup&amp;gt;+ &amp;lt;/sup&amp;gt;particle (a positron) and a neutrino. The result of this decay is the nuclei of a different element, which is located one box to the left of the original element on the periodic table.&amp;lt;sup&amp;gt;&amp;lt;/sup&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Beta plus decay occurs in unstable nuclei with too many protons. One proton becomes a neutron with the release of a&amp;amp;nbsp;β&amp;lt;sup&amp;gt;+ &amp;lt;/sup&amp;gt;particle (a &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;positron&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|positron]]&lt;/ins&gt;) and a &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[neutrino|&lt;/ins&gt;neutrino&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;. The result of this decay is the nuclei of a different element, which is located one box to the left of the original element on the periodic table.&amp;lt;sup&amp;gt;&amp;lt;/sup&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Nnjm2</name></author>
	</entry>
	<entry>
		<id>https://teaching.ncl.ac.uk/bms/wiki//index.php?title=Beta_decay&amp;diff=16415&amp;oldid=prev</id>
		<title>160386374: Created page with &quot;There are two types of beta decay: beta plus decay and beta minus decay. Only beta minus decay, however, occurs naturally.&lt;br&gt;  Beta minus decay occurs in unstable nuclei with to...&quot;</title>
		<link rel="alternate" type="text/html" href="https://teaching.ncl.ac.uk/bms/wiki//index.php?title=Beta_decay&amp;diff=16415&amp;oldid=prev"/>
		<updated>2016-12-02T22:35:38Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;There are two types of beta decay: beta plus decay and beta minus decay. Only beta minus decay, however, occurs naturally.&amp;lt;br&amp;gt;  Beta minus decay occurs in unstable nuclei with to...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;There are two types of beta decay: beta plus decay and beta minus decay. Only beta minus decay, however, occurs naturally.&amp;lt;br&amp;gt;&lt;br /&gt;
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Beta minus decay occurs in unstable nuclei with too many neutrons. One of the neutrons becomes a proton in a process that involves the release of a&amp;amp;nbsp;β&amp;lt;sup&amp;gt;- &amp;lt;/sup&amp;gt;particle (a high energy electron) and an antineutrino. The result is the nuclei of a different element. This element is located one box to the right of the original element on the periodic table.&amp;lt;br&amp;gt;&amp;lt;sup&amp;gt;&amp;lt;/sup&amp;gt;&lt;br /&gt;
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Beta plus decay occurs in unstable nuclei with too many protons. One proton becomes a neutron with the release of a&amp;amp;nbsp;β&amp;lt;sup&amp;gt;+ &amp;lt;/sup&amp;gt;particle (a positron) and a neutrino. The result of this decay is the nuclei of a different element, which is located one box to the left of the original element on the periodic table.&amp;lt;sup&amp;gt;&amp;lt;/sup&amp;gt;&lt;/div&gt;</summary>
		<author><name>160386374</name></author>
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