""The Z -> tau tau cross section is measured with the ATLAS experiment at the LHC in four different final states determined by the decay modes of the tau leptons: muon-hadron, electron-hadron, electron-muon, and muon-muon. The analysis is based on a data sample corresponding to an integrated luminosity of 36 pb(-1), at a proton-proton center-of-mass energy of root s = 7 TeV. Cross sections are measured separately for each final state in fiducial regions of high detector acceptance, as well as in the full phase space, over the mass region 66-116 GeV. The individual cross sections are combined and the product of the total Z production cross section and Z -> tau tau branching fraction is measured to be 0.97 +\\\/- 0.07(stat) +\\\/- 0.06(syst) +\\\/- 0: 03(lumi) nb, in agreement with next-to-next-to-leading order calculations.""

Aad, G., Abbott, B., Abdallah, J., Abdelalim, A.a., Abdesselam, A., Abdinov, O., et al. (2011). Measurement of the Z -> tau tau cross section with the ATLAS detector. PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY, 84(11) [10.1103/PhysRevD.84.112006].

Measurement of the Z -> tau tau cross section with the ATLAS detector

CERADINI, Filippo;DI MICCO, Biagio;Di Nardo R;Orestano D;PETRUCCI, FABRIZIO;Ruggieri F;SALAMANNA, GIUSEPPE;
2011-01-01

Abstract

""The Z -> tau tau cross section is measured with the ATLAS experiment at the LHC in four different final states determined by the decay modes of the tau leptons: muon-hadron, electron-hadron, electron-muon, and muon-muon. The analysis is based on a data sample corresponding to an integrated luminosity of 36 pb(-1), at a proton-proton center-of-mass energy of root s = 7 TeV. Cross sections are measured separately for each final state in fiducial regions of high detector acceptance, as well as in the full phase space, over the mass region 66-116 GeV. The individual cross sections are combined and the product of the total Z production cross section and Z -> tau tau branching fraction is measured to be 0.97 +\\\/- 0.07(stat) +\\\/- 0.06(syst) +\\\/- 0: 03(lumi) nb, in agreement with next-to-next-to-leading order calculations.""
2011
Aad, G., Abbott, B., Abdallah, J., Abdelalim, A.a., Abdesselam, A., Abdinov, O., et al. (2011). Measurement of the Z -> tau tau cross section with the ATLAS detector. PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY, 84(11) [10.1103/PhysRevD.84.112006].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11590/122622
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