Aguilo, Ernest
DSIG/DETARAP
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rivet Analysis
Measurement of the inclusive W+- and Z/gamma cross sections in the electron and muon decay channels in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector

The ATLAS collaboration Aad, Georges ; Abbott, Brad ; Abdallah, Jalal ; et al.
Phys.Rev.D 85 (2012) 072004, 2012.
Inspire Record 928289 DOI 10.17182/hepdata.58162

The production cross sections of the inclusive Drell-Yan processes W to l nu and Z/gamma to ll (l=e,mu) are measured in proton-proton collisions at sqrt(s) = 7 TeV with the ATLAS detector. The cross sections are reported integrated over a fiducial kinematic range, extrapolated to the full range and also evaluated differentially as a function of the W decay lepton pseudorapidity and the Z boson rapidity, respectively. Based on an integrated luminosity of about 35 pb^-1 collected in 2010, the precision of these measurements reaches a few per cent. The integrated and the differential W+- and Z/gamma cross sections in the e and mu channels are combined, and compared with perturbative QCD calculations, based on a number of different parton distribution sets available at NNLO.

20 data tables
Table 1

Cross sections for Z0 production from the combined electron and muon data sets in the defined fiducial regions. The first (sys) error is the uncorrelated systematic error and the second is the correlated systematic error.

Table 2

Correlated Systematic Uncertainties for Z0 production.

Table 3

Cross sections for W- production from the combined electron and muon data sets in the defined fiducial regions. The first (sys) error is the uncorrelated systematic error and the second is the correlated systematic error.

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rivet Analysis
Inclusive b-hadron production cross section with muons in pp collisions at sqrt(s) = 7 TeV

The CMS collaboration Khachatryan, Vardan ; Sirunyan, Albert M. ; Tumasyan, Armen ; et al.
JHEP 03 (2011) 090, 2011.
Inspire Record 884811 DOI 10.17182/hepdata.57723

A measurement of the b-hadron production cross section in proton-proton collisions at sqrt(s)=7 TeV is presented. The dataset, corresponding to 85 inverse nanobarns, was recorded with the CMS experiment at the LHC using a low-threshold single-muon trigger. Events are selected by the presence of a muon with transverse momentum greater than 6 GeV with respect to the beam direction and pseudorapidity less than 2.1. The transverse momentum of the muon with respect to the closest jet discriminates events containing b hadrons from background. The inclusive b-hadron production cross section is presented as a function of muon transverse momentum and pseudorapidity. The measured total cross section in the kinematic acceptance is sigma(pp to b+X to mu + X') =1.32 +/- 0.01 (stat) +/- 0.30 (syst) +/- 0.15 (lumi) microbarns.

3 data tables
Table 1

Total inclusive cross section in the visible kinematic range.

Table 2

Muon transverse momentum differential distibution.

Table 3

Muon pseudorapidity differential distibution.