Measurement of $${\psi {(2S)}} $$ψ(2S) production cross-sections in proton-proton collisions at $$\sqrt{s} =7$$s=7 and $$13\text { TeV} $$13TeV

The cross-sections of $$\psi {(2S)}$$ meson production in proton-proton collisions at $$\sqrt{s} =13\text { TeV} $$ are measured with a data sample collected by the LHCb detector corresponding to an integrated luminosity of $$275\text { pb} ^{-1} $$. The production cross-sections for prompt $$\psi {(2S)}$$ mesons and those for $$\psi {(2S)}$$ mesons from b-hadron decays ($${\psi {(2S)}} \text{-from- }{b} $$) are determined as functions of the transverse momentum, $$p_{\mathrm {T}}$$, and the rapidity, y, of the $$\psi {(2S)}$$ meson in the kinematic range $$2

Keywords:

• Physics
• Meson
• meson production
• Particle physics
• Rapidity
• transverse momentum
• Proton

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