The cross-section for inclusive phi meson production in pp collisions at a centre-of-mass energy of root s = 7 TeV has been measured with the LHCb detector at the Large Hadron Collider. The differential cross-section is measured as a function of the phi transverse momentum p(T) and rapidity y in the region 0.6 < p(T) < 5.0 GeV/c and 2.44 < y < 4.06. The cross-section for inclusive phi production in this kinematic range is sigma (pp -> phi X) = 1758 +/- 19(stat)(-14)(+14)(syst) +/- 182(scale) mu b, where the first systematic uncertainty depends on the p(T) and y region and the second is related to the overall scale. Predictions based on the PYTHIA 6.4 generator underestimate the cross-section. (C) 2011 CERN. Published by Elsevier B.V. All rights reserved. RI Galli, Domenico/A-1606-2012; Popovici, Bogdan/B-6521-2012; Muresan, Raluca-Anca/C-3725-2011; Patrignani, Claudia/C-5223-2009; Coca, Cornelia/B-6015-2012; Eklund, Lars/C-7709-2012; Carbone, Angelo/C-8289-2012; Soler, Paul/E-8464-2011; Leflat, Alexander/D-7284-2012; Petrolini, Alessandro/H-3782-2011; Sarti, Alessio/I-2833-2012

Measurement of the inclusive phi cross-section in pp collisions at root s=7 TeV

Dettori F;Lai A;MANCA, GIULIA;OLDEMAN, RUDOLF GERHARD CHRISTIAAN;SAITTA, BIAGIO;
2011-01-01

Abstract

The cross-section for inclusive phi meson production in pp collisions at a centre-of-mass energy of root s = 7 TeV has been measured with the LHCb detector at the Large Hadron Collider. The differential cross-section is measured as a function of the phi transverse momentum p(T) and rapidity y in the region 0.6 < p(T) < 5.0 GeV/c and 2.44 < y < 4.06. The cross-section for inclusive phi production in this kinematic range is sigma (pp -> phi X) = 1758 +/- 19(stat)(-14)(+14)(syst) +/- 182(scale) mu b, where the first systematic uncertainty depends on the p(T) and y region and the second is related to the overall scale. Predictions based on the PYTHIA 6.4 generator underestimate the cross-section. (C) 2011 CERN. Published by Elsevier B.V. All rights reserved. RI Galli, Domenico/A-1606-2012; Popovici, Bogdan/B-6521-2012; Muresan, Raluca-Anca/C-3725-2011; Patrignani, Claudia/C-5223-2009; Coca, Cornelia/B-6015-2012; Eklund, Lars/C-7709-2012; Carbone, Angelo/C-8289-2012; Soler, Paul/E-8464-2011; Leflat, Alexander/D-7284-2012; Petrolini, Alessandro/H-3782-2011; Sarti, Alessio/I-2833-2012
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11584/90081
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