Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/6750
Title: Observation of top quark production in proton-nucleus collisions
Authors: CMS Collaboration
Karapınar, Güler
Keywords: Large Hadron Collider (LHC)
Compact Muon Solenoid
Nuclear reactions
Quantum theory
High energy physics
Issue Date: Dec-2017
Publisher: American Physical Society
Source: Sirunyan, A.M., Tumasyan, A., Adam, W., Ambrogi, F., Asilar, E., Bergauer,T., Brandstetter, J.,...CMS Collaboration (2017). Observation of top quark production in proton-nucleus collisions. Physical Review Letters, 119(24). doi:10.1103/PhysRevLett.119.242001
Abstract: The first observation of top quark production in proton-nucleus collisions is reported using proton-lead data collected by the CMS experiment at the CERN LHC at a nucleon-nucleon center-of-mass energy of sNN=8.16 TeV. The measurement is performed using events with exactly one isolated electron or muon candidate and at least four jets. The data sample corresponds to an integrated luminosity of 174 nb-1. The significance of the tt signal against the background-only hypothesis is above 5 standard deviations. The measured cross section is σtt=45±8 nb, consistent with predictions from perturbative quantum chromodynamics.
URI: http://doi.org/10.1103/PhysRevLett.119.242001
http://hdl.handle.net/11147/6750
ISSN: 0031-9007
1079-7114
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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