The production of B-+/- mesons in proton-proton collisions at root s = 7 TeV is studied using 35 pb(-1) of data collected by the LHCb detector. The B+/- mesons are reconstructed exclusively in the B+/- -> J/psi K+/- mode, with J/psi -> mu(+)mu(-). The differential production cross-section is measured as a function of the B+/- transverse momentum in the fiducial region 0 < p(T) < 40 GeV/c and with rapidity 2.0 < y < 4.5. The total cross-section, summing up B+ and B-, is measured to be sigma(pp -> B+/- X, 0 < p(T) < 40 GeV/c, 2.0 < y < 4.5) = 41.4 +/- 1.5 (stat.) +/- 3.1 (syst.) mu b.

Aaij, R., Beteta, C., Adeva, B., Adinolfi, M., Adrover, C., Affolder, A., et al. (2012). Measurement of the B+/- production cross-section in pp collisions at root s=7 TeV. JOURNAL OF HIGH ENERGY PHYSICS, 2012(4), 1-13 [10.1007/JHEP04(2012)093].

Measurement of the B+/- production cross-section in pp collisions at root s=7 TeV

CALVI, MARTA;FANCHINI, ERICA;
2012

Abstract

The production of B-+/- mesons in proton-proton collisions at root s = 7 TeV is studied using 35 pb(-1) of data collected by the LHCb detector. The B+/- mesons are reconstructed exclusively in the B+/- -> J/psi K+/- mode, with J/psi -> mu(+)mu(-). The differential production cross-section is measured as a function of the B+/- transverse momentum in the fiducial region 0 < p(T) < 40 GeV/c and with rapidity 2.0 < y < 4.5. The total cross-section, summing up B+ and B-, is measured to be sigma(pp -> B+/- X, 0 < p(T) < 40 GeV/c, 2.0 < y < 4.5) = 41.4 +/- 1.5 (stat.) +/- 3.1 (syst.) mu b.
Articolo in rivista - Articolo scientifico
flavor physics ; QCD ; B physics ; heavy quark production ; particle and resonance production ; experimental results
English
2012
2012
4
1
13
093
none
Aaij, R., Beteta, C., Adeva, B., Adinolfi, M., Adrover, C., Affolder, A., et al. (2012). Measurement of the B+/- production cross-section in pp collisions at root s=7 TeV. JOURNAL OF HIGH ENERGY PHYSICS, 2012(4), 1-13 [10.1007/JHEP04(2012)093].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10281/37984
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