Study of B meson production in pPb collisions at sqrt(s_NN) = 5.02 TeV using exclusive hadronic decays

TL;DR

This paper measures B meson production in proton-lead collisions at 5.02 TeV, providing baseline data for understanding b quark behavior in heavy-ion environments and testing QCD predictions.

Contribution

It presents the first measurement of B meson production cross sections in pPb collisions at 5.02 TeV using exclusive hadronic decays, serving as a baseline for heavy-ion studies.

Findings

No significant modification compared to scaled pp predictions.

Cross sections measured in 10-60 GeV/c transverse momentum range.

Results support perturbative QCD calculations in pPb collisions.

Abstract

The production cross sections of the B+, B0, and B0s mesons, and of their charge conjugates, are measured via exclusive hadronic decays in pPb collisions at the center-of-mass energy sqrt(s_NN) = 5.02 TeV with the CMS detector at the CERN LHC. The data set used for this analysis corresponds to an integrated luminosity of 34.6 inverse nanobarns. The production cross sections are measured in the transverse momentum range between 10 and 60 GeV/c. No significant modification is observed compared to proton-proton perturbative QCD calculations scaled by the number of incoherent nucleon-nucleon collisions. These results provide a baseline for the study of in-medium b quark energy loss in PbPb collisions.