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Study of the inclusive production of charged pions, kaons, and protons in pp collisions at vs = 0.9,2.76 and 7 TeV

Abstract: Spectra of identified charged hadrons are measured in pp collisions at the LHC for ?s = 0.9, 2.76, and 7 TeV. Charged pions, kaons, and protons in the transversemomentum range pT ? 0.1?1.7 GeV/c and for rapidities |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 PYTHIA 6 and PYTHIA 8 event generators.

Authorship: Chatrchyan S., Khachatryan V., Sirunyan A.M., Tumasyan A., Adam W., Aguilo E., Bergauer T., Dragicevic M., Erö J., Fabjan C., Friedl M., Frühwirth R., Ghete V.M., Hammer J., Hörmann N., Hrubec J., Jeitler M., Kiesenhofer W., Knünz V., Krammer M., Krätschmer I., Liko D., Mikulec I., Pernicka M., Rahbaran B., Rohringer C., Rohringer H., Schöfbeck R., Strauss J., Taurok A., Waltenberger W., Walzel G., Widl E., Wulz C.E., Mossolov V

Fuente: European Physical Journal C (2012) Volume 72, issue 10, article number 2164

Publisher: Springer New York LLC

Publication date: 03/10/2012

No. of pages: 37

Publication type: Article

DOI: 10.1140/epjc/s10052-012-2164-1

ISSN: 1434-6044,1434-6052

Publication Url: https://doi.org/10.1140/epjc/s10052-012-2164-1

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