Search for excited quarks in the γ + jet final state in proton–proton collisions at √s = 8 TeV (CROSBI ID 213587)
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Podaci o odgovornosti
Khachatryan, V. ; ... ; Godinović, Nikola ; Lelas, Damir ; Pleština, Roko ; Polić, Dunja ; Puljak, Ivica ; Antunović, Željko ; Kovač, Marko ; Brigljević, Vuko ; Đurić, Senka ; Kadija, Krešo ; Luetić, Jelena ; Mekterović, Darko ; Morović, Srećko ; Sudic, Lucija ; ... ; Woods, N.
engleski
Search for excited quarks in the γ + jet final state in proton–proton collisions at √s = 8 TeV
A search for excited quarks decaying into the γ +jet final state is presented. The analysis is based on data corresponding to an integrated luminosity of 19.7 fb−1 collected by the CMS experiment in proton– proton collisions at √s = 8 TeV at the LHC. Events with photons and jets with high transverse momenta are selected and the γ + jet invariant mass distribution is studied to search for a resonance peak. The 95% confidence level upper limits on the product of cross section and branching fraction are evaluated as a function of the excited quark mass. Limits on excited quarks are presented as a function of their mass and coupling strength ; masses below 3.5 TeV are excluded at 95% confidence level for unit couplings to their standard model partners.
CMS; Physics; Photon; Jet
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