London, United Kingdom
Visualisation Of Quark Structure Of Proton
Photograph - Photograph
Visualisation of how a proton is produced from three quarks. The proton is a constituent of all atomic nuclei. It contains three 'valence' quarks, two 'up' quarks and one 'down' quark. The quarks are held together by the strong nuclear force, seen as the exchange of gluons (straight lines). The three valence quarks are hidden in the corners of a triangular cloud of virtual quarks, anti- quarks and gluons which are spontaneously created within the proton. All of these contribute to the interaction between the proton and its neighbours in the nucleus. The colours represent the strong force charges red, green and blue for particles; cyan, magenta and yellow for anti-particles.
May 2nd, 2013
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