Thursday,
18 August 2022

Amsterdam

Physicists surprised to discover the proton contains a charm quark (1)
The textbook description of a proton says it contains three smaller particles - two up quarks and a down quark - but a new analysis has found strong evidence that it also holds a charm quark Physics 17 August 2022 By Alex Wilkins An artist's impression of a proton - the large red spheres are up quarks and the large blue sphere a down quark CERN The proton, a particle found at the heart of every atom, appears to have a
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