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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/11147/10728 |
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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