Prompt production of charmonium Χc0, Χc1 and Χc2 mesons is studied using proton-proton collisions at the LHC at a centre-of-mass energy of √s = 7TeV. The Χc mesons are identified through their decay to J/Φ,γ with J/Φ → μ+μ- using photons that converted in the detector. A data sample, corresponding to an integrated luminosity of 1.0 fb-1 collected by the LHCb detector, is used to measure the relative prompt production rate of Χc1 and Χc2 in the rapidity range 2:0 < y < 4:5 as a function of the J/Φ transverse momentum from 3 to 20 GeV=c. First evidence for Χc0 meson production at a high-energy hadron collider is also presented. © SISSA 2013.

Aaij, R., Adeva, B., Adinolfi, M., Adrover, C., Affolder, A., Ajaltouni, Z., et al. (2013). Measurement of the relative rate of prompt Χc0, Χc1 and Χc2 production at √s = 7TeV. JOURNAL OF HIGH ENERGY PHYSICS, 2013(10) [10.1007/JHEP10(2013)115].

Measurement of the relative rate of prompt Χc0, Χc1 and Χc2 production at √s = 7TeV

CALVI, MARTA;KHANJI, BASEM;KUCHARCZYK, MARCIN;Martinelli, M;PESSINA, GIANLUIGI EZIO;
2013

Abstract

Prompt production of charmonium Χc0, Χc1 and Χc2 mesons is studied using proton-proton collisions at the LHC at a centre-of-mass energy of √s = 7TeV. The Χc mesons are identified through their decay to J/Φ,γ with J/Φ → μ+μ- using photons that converted in the detector. A data sample, corresponding to an integrated luminosity of 1.0 fb-1 collected by the LHCb detector, is used to measure the relative prompt production rate of Χc1 and Χc2 in the rapidity range 2:0 < y < 4:5 as a function of the J/Φ transverse momentum from 3 to 20 GeV=c. First evidence for Χc0 meson production at a high-energy hadron collider is also presented. © SISSA 2013.
Articolo in rivista - Articolo scientifico
Hadron-hadron scattering; Quarkonium; Nuclear and High Energy Physics
English
2013
2013
10
115
none
Aaij, R., Adeva, B., Adinolfi, M., Adrover, C., Affolder, A., Ajaltouni, Z., et al. (2013). Measurement of the relative rate of prompt Χc0, Χc1 and Χc2 production at √s = 7TeV. JOURNAL OF HIGH ENERGY PHYSICS, 2013(10) [10.1007/JHEP10(2013)115].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10281/74726
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