Study of the Inclusive Production of Charged Pions, Kaons, and Protons in $pp$ Collisions at $\sqrt{s}=0.9$, 2.76, and 7 TeV

Spectra of identified charged hadrons are measured in pp collisions at the LHC for sqrt(s) = 0.9, 2.76, and 7 TeV. Charged pions, kaons, and protons in the transverse-momentum range pt approximately 0.1-1.7 GeV and for rapidities abs(y) < 1 are identified via their energy loss in the CMS silicon tracker. The average pt increases rapidly with the mass of the hadron and the event charged-particle multiplicity, independently of the center-of-mass energy. The fully corrected pt spectra and integrated yields are compared to various tunes of the PYTHIA6 and PYTHIA8 event generators.

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Submitted to the European Physical Journal C

p p: scattering
charged particle: multiplicity
pi
K
p
charged particle: inclusive production
energy loss
CMS
yield: (p anti-p)
rapidity: density

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Study of the Inclusive Production of Charged Pions, Kaons, and Protons in pppppp Collisions at s=0.9\sqrt{s}=0.9s​=0.9, 2.76, and 7 TeV

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Study of the Inclusive Production of Charged Pions, Kaons, and Protons in $pp$ Collisions at $\sqrt{s}=0.9$ , 2.76, and 7 TeV