AI Article Synopsis
- The study measures the production cross sections of B0 mesons in proton-proton collisions at a collision energy of 7 TeV using data from the CMS experiment at the LHC, with an integrated luminosity of 40 pb-1.
- B0 mesons are observed through their decay into a specific final state, involving J/ψ and KS0 particles, with further decays into muons and pions.
- The total production cross section for B0 mesons with transverse momentum greater than 5 GeV and rapidity less than 2.2 is measured to be 33.2 ± 2.5 ± 3.5 μb, factoring in statistical and systematic uncertainties.
Article Abstract
Measurements of the differential production cross sections dσ/dpTB and dσ/dyB for B0 mesons produced in pp collisions at sqrt[s] = 7 TeV are presented. The data set used was collected by the CMS experiment at the LHC and corresponds to an integrated luminosity of 40 pb-1. The production cross section is measured from B0 meson decays reconstructed in the exclusive final state J/ψKS0, with the subsequent decays J/ψ → μ + μ - and KS0 → π+}π-. The total cross section for pTB>5 GeV and |yB|<2.2 is measured to be 33.2 ± 2.5 ± 3.5 μb, where the first uncertainty is statistical and the second is systematic.
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| http://dx.doi.org/10.1103/PhysRevLett.106.252001 | DOI Listing |
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