Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/10728
Title: Measurement of the inclusive Z cross section via decays to tau pairs in pp collisions at root s=7 TeV
Authors: CMS Collaboration
Demir, Durmuş Ali
Keywords: Hadron-Hadron Scattering
Publisher: Springer Verlag
Abstract: The first measurement of inclusive Z > tau(+) tau(-) production in pp collisions at the LHC is presented, in the final states mu+hadrons, e+hadrons, e-mu, and mu+mu. The data sample corresponds to an integrated luminosity of 36 pb(-1) collected with the CMS detector. The measured cross section is sigma (pp -> ZX) x B (Z -> tau(+)tau(-)) = 1.00 +/- 0.05 (stat.)+/- 0.08 (syst.) +/- 0.04 (lumi.) nb, which is in good agreement with the next-to-next-to-leading order QCD prediction and improves on previous measurements in the Z -> e(+)e(-) and mu(+)mu(-) channels. The reconstruction efficiency for hadronic T decays is determined with a precision of 7%.
URI: https://doi.org/10.1007/JHEP08(2011)117
https://hdl.handle.net/10728
ISSN: 1029-8479
Appears in Collections:Rectorate / Rektörlük
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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