Measurement of the b-hadron production cross section using decays to $D^{*}\mu^-X$ final states in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector - INSPIRE

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Measurement of the b-hadron production cross section using decays to $D^{*}\mu^-X$ final states in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector

ATLAS

Collaboration

Jun, 2012

41 pages

Published in:

Nucl.Phys.B 864 (2012) 341-381

Published: Nov 21, 2012

e-Print:

1206.3122 [hep-ex]

DOI:

10.1016/j.nuclphysb.2012.07.009

Report number:

CERN-PH-EP-2012-121

Experiments:

CERN-LHC-ATLAS

View in:

reference search59 citations

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Abstract: (Elsevier)

The b -hadron production cross section is measured with the ATLAS detector in pp collisions at s=7 TeV , using 3.3 pb−1 of integrated luminosity, collected during the 2010 LHC run. The b -hadrons are selected by partially reconstructing D⁎+μ−X final states. Differential cross sections are measured as functions of the transverse momentum and pseudorapidity. The measured production cross section for a b -hadron with pT>9 GeV and |η|<2.5 is 32.7±0.8(stat.)−6.8+4.5(syst.)μb , higher than the next-to-leading-order QCD predictions but consistent within the experimental and theoretical uncertainties.

Note:

20 pages plus author list (41 pages total), 3 figures, 9 tables, matches published NPB version

QCD
Flavour physics
B physics
Heavy quark production
bottom: hadroproduction
p p: scattering
differential cross section: measured
transverse momentum
rapidity
ATLAS

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Figures(6)

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