Measurement of the differential cross-section of B+ meson production in pp collisions at sqrt(s) = 7 TeV at ATLAS

TL;DR

This paper reports the measurement of B+ meson production cross-sections in proton-proton collisions at 7 TeV, comparing experimental data with theoretical predictions to enhance understanding of heavy-flavor production.

Contribution

It provides the first detailed differential cross-section measurements of B+ mesons at 7 TeV, using ATLAS data and comparing results with NLO QCD predictions.

Findings

Measured differential cross-sections across pT and y ranges

Good agreement with next-to-leading-order theoretical predictions

Provides data for testing QCD models of heavy-flavor production

Abstract

The production cross-section of B+ mesons is measured as a function of transverse momentum pT and rapidity y in proton--proton collisions at center-of-mass energy sqrt(s) = 7 TeV, using 2.4 fb-1 of data recorded with the ATLAS detector at the Large Hadron Collider. The differential production cross-sections, determined in the range 9<pT<120 GeV and y<2.25, are compared to next-to-leading-order theoretical predictions.