he production of J/psi and gamma mesons in pp collisions at root s = 8 TeV is studied with the LHCb detector. The J/psi and gamma mesons are reconstructed in the mu(+)mu(-) decay mode and the signal yields are determined with a fit to the mu(+)mu(-) invariant mass distributions. The analysis is performed in the rapidity range 2.0 < y < 4.5 and transverse momentum range 0 < PT < 14 (15) GeV/c of the J/psi (gamma) mesons. The J/psi and gamma production cross-sections and the fraction of J/psi mesons from b-hadron decays are measured as a function of the meson P-T and y.

Aaij, R., Beteta, C., Adeva, B., Adinolfi, M., Adrover, C., Affolder, A., et al. (2013). Production of J/psi and gamma mesons in pp collisions at root s=8 TeV. JOURNAL OF HIGH ENERGY PHYSICS, 6, 64 [10.1007/JHEP06(2013)064].

Production of J/psi and gamma mesons in pp collisions at root s=8 TeV

Archilli, F;CARBONI, GIOVANNI;SANTOVETTI, EMANUELE;
2013-01-01

Abstract

he production of J/psi and gamma mesons in pp collisions at root s = 8 TeV is studied with the LHCb detector. The J/psi and gamma mesons are reconstructed in the mu(+)mu(-) decay mode and the signal yields are determined with a fit to the mu(+)mu(-) invariant mass distributions. The analysis is performed in the rapidity range 2.0 < y < 4.5 and transverse momentum range 0 < PT < 14 (15) GeV/c of the J/psi (gamma) mesons. The J/psi and gamma production cross-sections and the fraction of J/psi mesons from b-hadron decays are measured as a function of the meson P-T and y.
2013
Pubblicato
Rilevanza internazionale
Articolo
Esperti anonimi
Settore FIS/04 - FISICA NUCLEARE E SUBNUCLEARE
English
Con Impact Factor ISI
Quarkonium ; Heavy quark production ; Particle and resonance production ; Hadron-Hadron Scattering ; Flavor physics
Aaij, R., Beteta, C., Adeva, B., Adinolfi, M., Adrover, C., Affolder, A., et al. (2013). Production of J/psi and gamma mesons in pp collisions at root s=8 TeV. JOURNAL OF HIGH ENERGY PHYSICS, 6, 64 [10.1007/JHEP06(2013)064].
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