Performance of Missing Transverse Momentum Reconstruction in Proton-Proton Collisions at 7 TeV with ATLAS - INSPIRE

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Performance of Missing Transverse Momentum Reconstruction in Proton-Proton Collisions at 7 TeV with ATLAS

ATLAS

Collaboration

Jan 3, 2012

22 pages

Published in:

Eur.Phys.J.C 72 (2012) 1844

Published: Jan 3, 2012

e-Print:

1108.5602 [hep-ex]

DOI:

10.1140/epjc/s10052-011-1844-6

Report number:

CERN-PH-EP-2011-114

Experiments:

CERN-LHC-ATLAS

View in:

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Abstract: (arXiv)

The measurement of missing transverse momentum in the ATLAS detector, described in this paper, makes use of the full event reconstruction and a calibration based on reconstructed physics objects. The performance of the missing transverse momentum reconstruction is evaluated using data collected in pp collisions at a centre-of-mass energy of 7 TeV in 2010. Minimum bias events and events with jets of hadrons are used from data samples corresponding to an integrated luminosity of about 0.3 inverse nb and 600 inverse nb, together with events containing a Z boson decaying to two leptons (electrons or muons) or a W boson decaying to a lepton (electron or muon) and a neutrino, from a data sample corresponding to an integrated luminosity of about 36 inverse pb. An estimate of the systematic uncertainty on the missing transverse momentum scale is presented.

Note:

22 pages plus author list (33 pages total), 18 figures, 5 tables, final version to appear in European Physical Journal C

transverse momentum: missing-energy
jet: hadroproduction
ATLAS
muon: transverse momentum
calibration
p p: interaction
hadron: multiple production
W: leptonic decay
Z0: leptonic decay
mass spectrum: transverse

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