Observation of triple J/ψ meson production in proton-proton collisions
A. Tumasyan, W. Adam, Janik Walter Andrejkovic, T. Bergauer et autres
Abstract Protons consist of three valence quarks, two up-quarks and one down-quark, held together by gluons and a sea of quark-antiquark pairs. Collectively, quarks and gluons are referred to as partons. In a proton-proton collision, typically only one parton of each proton …
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