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http://hdl.handle.net/2445/58784
Title: | Measurement of the B± production cross-section in pp collisions at s√=7 TeV |
Author: | Abellan Beteta, Carlos Calvo Gómez, Míriam Camboni, Alessandro Comerma Montells, Albert Domingo Bonal, Francesc Garrido Beltrán, Lluís Gascón Fora, David Grabalosa Gándara, Marc Graciani Díaz, Ricardo Graugés Pous, Eugeni López Asamar, Elias Musy, Marco Pérez-Calero Yzquierdo, Antonio Picatoste Olloqui, Eduardo Pie Valls, B. (Blai) Potterat, Cédric Puig Navarro, Albert Roselló, M. Ruiz, Hugo (Ruiz Pérez) Vázquez Gómez, Ricard Vilasis-Cardona, Xavier LHCb Collaboration |
Keywords: | Hadrons Gravitació Relativitat (Física) Teoria quàntica Teoria quàntica de camps Hadrons Gravitation Relativity (Physics) Quantum theory Quantum field theory |
Issue Date: | Feb-2012 |
Publisher: | Springer Verlag |
Abstract: | The production of B ± mesons in proton-proton collisions at 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/ψK ± mode, with J/ψ → μ + μ −. 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 σ(pp → B ± X, 0 < p T < 40 GeV/c, 2.0 < y < 4.5) = 41.4 ± 1.5 (stat.) ± 3.1 (syst.) μb. |
Note: | Reproducció del document publicat a: http://dx.doi.org/10.1007/JHEP04(2012)093 |
It is part of: | Journal of High Energy Physics, 2012, vol. 2012, num. 4, p. 093 |
URI: | http://hdl.handle.net/2445/58784 |
Related resource: | http://dx.doi.org/10.1007/JHEP04(2012)093 |
ISSN: | 1126-6708 |
Appears in Collections: | Articles publicats en revistes (Física Quàntica i Astrofísica) Articles publicats en revistes (Institut de Ciències del Cosmos (ICCUB)) |
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