Measurement of the B0 production cross section in pp Collisions at sqrt(s) = 7 TeV

Details Measurement of the B0 production cross section in pp Collisions at sqrt(s) = 7 TeV Measurement of the B0 production cross section in pp Collisions at sqrt(s) = 7 TeV

2011-04-14

arxiv.org/abs/1104.2892v2

Phys.Rev.Lett.106:252001,2011

Physics

High Energy Physics

High Energy Physics - Experiment

Scientific paper

10.1103/PhysRevLett.106.252001

Measurements of the differential production cross sections in transverse momentum and rapidity for B0 mesons produced in pp collisions at sqrt(s) = 7 TeV are presented. The dataset used was collected by the CMS experiment at the LHC and corresponds to an integrated luminosity of 40 inverse picobarns. The production cross section is measured from B0 meson decays reconstructed in the exclusive final state J/Psi K-short, with the subsequent decays J/Psi to mu^+ mu^- and K-short to pi^+ pi^-. The total cross section for pt(B0) > 5 GeV and y(B0) < 2.2 is measured to be 33.2 +/- 2.5 +/- 3.5 microbarns, where the first uncertainty is statistical and the second is systematic.

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