The first measurements of the invariant differential cross sections of inclusive π0 and η meson production at mid-rapidity in proton-proton collisions at s√=0.9 TeV and s√=7 TeV are reported. The π0 measurement covers the ranges 0.4<pT<7 GeV/c and 0.3<pT<25 GeV/c for these two energies, respectively. The production of η mesons was measured at √s=7 TeV in the range 0.4<pT<15 GeV/c. Next-to-Leading Order perturbative QCD calculations, which are consistent with the π0 spectrum at √s=0.9 TeV, overestimate those of π0 and η mesons at √s=7 TeV, but agree with the measured η/π0 ratio at √s=7 TeV.

Neutral pion and η meson production in proton–proton collisions at sqrt{s}=0.9 TeV and sqrt{s}=7 TeV.

BEOLE', Stefania;BERZANO, DARIO CARLO DOMENICO;BIANCHI, LIVIO;CORRALES MORALES, YASSER;FERRETTI, Alessandro;GAGLIARDI, Martino;GALLIO, Mauro;INNOCENTI, GIAN MICHELE;MARCHISONE, MASSIMILIANO;MASERA, Massimo;MILANO, LEONARDO;ORTONA, GIACOMO;VERCELLIN, Ermanno;
2012-01-01

Abstract

The first measurements of the invariant differential cross sections of inclusive π0 and η meson production at mid-rapidity in proton-proton collisions at s√=0.9 TeV and s√=7 TeV are reported. The π0 measurement covers the ranges 0.4
2012
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B. Abelev;A. Abrahantes Quintana;D. Adamová;A.M. Adare;M.M. Aggarwal;G. Aglieri Rinella;A.G. Agocs;A. Agostinelli;S. Aguilar Salazar;Z. Aham...espandi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2318/123488
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