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Measurement of the W -> tau nu(tau) cross section in pp collisions at root s=7 TeV with the ATLAS experiment ATLAS Collaboration
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.ORCID iD: 0000-0002-8913-0981
Number of Authors: 3024
2012 (English)In: Physics Letters B, ISSN 0370-2693, Vol. 706, no 4/5, 276-294 p.Article in journal (Refereed) Published
Abstract [en]

The cross section for the production of W bosons with subsequent decay W -> tau nu(tau) is measured with the ATLAS detector at the LHC. The analysis is based on a data sample that was recorded in 2010 at a proton-proton center-of-mass energy of root s = 7 TeV and corresponds to an integrated luminosity of 34 pb(-1). The cross section is measured in a region of high detector acceptance and then extrapolated to the full phase space. The product of the total W production cross section and the W -> tau nu(tau) branching ratio is measured to be sigma(tot)(W -> tau nu tau) = 11.1 +/- 0.3 (stat) +/- 1.7 (syst) +/- 0.4 (lumi) nb.

Place, publisher, year, edition, pages
2012. Vol. 706, no 4/5, 276-294 p.
National Category
Subatomic Physics
URN: urn:nbn:se:kth:diva-90742DOI: 10.1016/j.physletb.2011.11.057ISI: 000299756800007ScopusID: 2-s2.0-84155167003OAI: diva2:506252
Author count 3024. QC 20120227Available from: 2012-02-28 Created: 2012-02-28Bibliographically approved

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