Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/6459
Title: Measurement of the mass difference between top quark and antiquark in pp collisions at s=8 TeV
Authors: CMS Collaboration
Karapınar, Güler
Keywords: Large Hadron Collider (LHC)
Compact Muon Solenoid
Issue Date: Jul-2017
Publisher: Elsevier Ltd.
Source: Chatrchyan, S., Khachatryan, V., Sirunyan, A.M., Tumasyan, A., Adam, W., Bergauer, T.,...CMS Collaboration (2017). Measurement of the mass difference between top quark and antiquark in pp collisions at √s=8 TeV. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 770, 50-71. doi:10.1016/j.physletb.2017.04.028
Abstract: The invariance of the standard model (SM) under the CPT transformation predicts equality of particle and antiparticle masses. This prediction is tested by measuring the mass difference between the top quark and antiquark (Δmt=mt−mt‾) that are produced in pp collisions at a center-of-mass energy of 8 TeV, using events with a muon or an electron and at least four jets in the final state. The analysis is based on data corresponding to an integrated luminosity of 19.6 fb−1collected by the CMS experiment at the LHC, and yields a value of Δmt=−0.15±0.19(stat)±0.09(syst) GeV, which is consistent with the SM expectation. This result is significantly more precise than previously reported measurements.
URI: http://doi.org/10.1016/j.physletb.2017.04.028
http://hdl.handle.net/11147/6459
ISSN: 0370-2693
Appears in Collections:Mathematics / Matematik
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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