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ATLAS_2014_I1306294_MU

Measurement of Z boson in association with b-jets at 7 TeV in ATLAS (muon channel)
Experiment: ATLAS (LHC)
Inspire ID: 1306294
Status: VALIDATED
Authors:
  • Gavin Hesketh
References: Beams: p+ p+
Beam energies: (3500.0, 3500.0) GeV
Run details:
  • Z+b(b) production in $pp$ collisions at $\sqrt{s} = 7$ TeV, muonic Z-decays

Measurements of differential production cross-sections of a $Z$ boson in association with $b$-jets in $pp$ collisions at $\sqrt{s}=7$ TeV are reported. The data analysed correspond to an integrated luminosity of 4.6 fb$^{-1}$ recorded with the ATLAS detector at the Large Hadron Collider. Particle-level cross-sections are determined for events with a $Z$ boson decaying into an electron or muon pair, and containing $b$-jets. For events with at least one $b$-jet, the cross-section is presented as a function of the $Z$ boson transverse momentum and rapidity, together with the inclusive $b$-jet cross-section as a function of $b$-jet transverse momentum, rapidity and angular separations between the $b$-jet and the $Z$ boson. For events with at least two $b$-jets, the cross-section is determined as a function of the invariant mass and angular separation of the two highest transverse momentum $b$-jets, and as a function of the $Z$ boson transverse momentum and rapidity. Results are compared to leading-order and next-to-leading-order perturbative QCD calculations. This Rivet module implements the event selection for Z decaying into muons. If you want to use electronic events, please refer to ATLAS\_2014\_I1306294\_EL