Measurement of the Z /γ forward-backward asymmetry in muon pairs with the ATLAS experiment at the LHC

A study on muon pairs produced through an intermediate Z/γ*, in pp collisions at the LHC, at a center-of-mass energy of 7 TeV, is presented. After a selection aimed at enhancing the contribution from Z boson decay, the topology of the events is analyzed, and the forward-backward asymmetry is measure...

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Bibliographic Details
Published in:Journal of physics. Conference series 2012-01, Vol.383 (1), p.12005-5
Main Author: Grossi, Giulio Cornelio
Format: Article
Language:English
Subjects:
Asymmetry
Bosons
Collisions
Decay
Luminosity
Muons
Physics
Texts
Topology
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Summary:A study on muon pairs produced through an intermediate Z/γ*, in pp collisions at the LHC, at a center-of-mass energy of 7 TeV, is presented. After a selection aimed at enhancing the contribution from Z boson decay, the topology of the events is analyzed, and the forward-backward asymmetry is measured. The result is then used to test a method to measure the effective weak mixing angle sin2 θeffw. This note summarizes the results obtained with 2011 data collected by the ATLAS experiment at the LHC, corresponding to an integrated luminosity of 4.8 fb−1.
ISSN:1742-6596
1742-6588
1742-6596
DOI:10.1088/1742-6596/383/1/012005