Up quark

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Up quarks are one of the six flavours of quarks[1]. They are fundimental particles like electrons (and other leptons); which means that they cannot be broken down any further[1][2]. They have a charge of +2/3 and a baryon number of 1/3[1]. They are the smallest quarks and are the main constiuents of protons and neutrons alongside the down quark[1].

References

  1. 1.0 1.1 1.2 1.3 HyperPhysics. Quarks. [cited 05/12/2017]. Availiable from: http://hyperphysics.phy-astr.gsu.edu/hbase/Particles/quark.html
  2. The New York Times. Fundimental particles. [cited 05/12/2017]. Availiable from: http://topics.nytimes.com/top/news/science/topics/fundamental_particles/index.html

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