Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/8632
Title: Measurement of the Z/gamma* -> tau tau cross section in pp collisions at root s=13 TeV and validation of tau lepton analysis techniques
Authors: Karapınar, Güler
CMS Collaboration
Issue Date: 2018
Publisher: Springer
Abstract: A measurement is presented of the Z/gamma*->tau tau cross section in pp collisions at root s = 13 TeV, using data recorded by the CMS experiment at the LHC, corresponding to an integrated luminosity of 2.3 fb(-1). The product of the inclusive cross section and branching fraction is measured to be sigma(pp -> Z/gamma*+X) B(Z/gamma*->tau tau) = 1848 +/- 12 (stat) +/- 67 (syst + lumi) pb, in agreement with the standard model expectation, computed at next-to-next-to-leading order accuracy in perturbative quantum chromodynamics. The measurement is used to validate new analysis techniques relevant for future measurements of tau lepton production. The measurement also provides the reconstruction efficiency and energy scale for tau decays to hadrons + nu(tau) final states, determined with respective relative uncertainties of 2.2 and 0.9%.
Description: PubMed: 30956559
URI: https://doi.org/10.1140/epjc/s10052-018-6146-9
https://hdl.handle.net/11147/8632
ISSN: 1434-6044
1434-6052
Appears in Collections:PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Rectorate / Rektörlük
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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