CERN Accelerating science

Article
Report number arXiv:1101.0131 ; CERN-PH-EP-2010-087 ; CMS-BPH-10-004 ; CERN-PH-EP-2010-087 ; CMS-BPH-10-004
Title Measurement of the B+ Production Cross Section in pp Collisions at s = 7 TeV
Author(s) CMS Collaboration  Показать всех 2171 авторов
Publication 2011
Imprint 04 Jan 2011
Number of pages 24
Note Published version
In: Phys. Rev. Lett. 106 (2011) 112001
DOI 10.1103/PhysRevLett.106.112001
Subject category Particle Physics - Experiment
Accelerator/Facility, Experiment CERN LHC ; CMS
Free keywords B physics ; experimental results
Abstract Measurements of the total and differential cross sections with respect to transverse momentum and rapidity for B+ mesons produced in pp collisions at s = 7 TeV are presented. The data correspond to an integrated luminosity of 5.8 inverse picobarns collected by the CMS experiment operating at the LHC. The exclusive decay B+J/ψK+, with the J/ψ decaying to an oppositely charged muon pair, is used to detect B+ mesons and to measure the production cross section as a function of the transverse momentum and rapidity of the B. The total cross section for p_t(B) > 5 GeV and |y(B)| < 2.4 is measured to be 28.1 +/- 2.4 +/- 2.0 +/- 3.1 microbarns, where the first uncertainty is statistical, the second is systematic, and the last is from the luminosity measurement.
Copyright/License publication: © 2011-2025 CERN (License: CC-BY-3.0)
preprint: © 2011-2025 CERN (License: CC-BY-3.0)



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Email contact: cms-publication-committee-chair@cern.ch


 Запись создана 2010-12-30, последняя модификация 2025-02-08


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