Measurement of charged pion, kaon, and proton production in proton-proton collisions at √s = 13 TeV

CMS Collaboration

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Abstract

Transverse momentum spectra of charged pions, kaons, and protons are measured in proton-proton collisions at √s = 13 TeV with the CMS detector at the LHC. The particles, identified via their energy loss in the silicon tracker, are measured in the transverse momentum range of pT ∼ 0.1-1.7 GeV/c and rapidities /y/ < 1. The pT spectra and integrated yields are compared to previous results at smaller √s and to predictions of Monte Carlo event generators. The average pT increases with particle mass and charged particle multiplicity of the event. Comparisons with previous CMS results at √s = 0.9, 2.76, and 7 TeV show that the average pT and the ratios of hadron yields feature very similar dependences on the particle multiplicity in the event, independently of the center-of-mass energy of the pp collision.

Original languageEnglish (US)
Article number112003
JournalPhysical Review D
Volume96
Issue number11
DOIs
StatePublished - Dec 1 2017

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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