Searches for new physics using the tt¯ invariant mass distribution in pp collisions at s√=8 TeV (CROSBI ID 200624)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Chatrchyan, S. ; ... ; Godinović, Nikola ; Lelas, Damir ; Pleština, Roko ; Polić, Dunja ; Puljak, Ivica ; Antunović, Željko ; Kovač, Marko ; Brigljević, Vuko ; ; Kadija, Krešo ; Luetić, Jelena ; Mekterović, Darko ; Morović, Srećko ; Tikvica, Lucija ; ... ; ... ; Đurić, Senka ; ... ; Swanson, J.
engleski
Searches for new physics using the tt¯ invariant mass distribution in pp collisions at s√=8 TeV
Searches for anomalous top quark-antiquark production are presented, based on pp collisions at √s=8 TeV. The data, corresponding to an integrated luminosity of 19.7 fb−1, were collected with the CMS detector at the LHC. The observed tt¯ invariant mass spectrum is found to be compatible with the standard model prediction. Limits on the production cross section times branching fraction probe, for the first time, a region of parameter space for certain models of new physics not yet constrained by precision measurements.
LHC. CMS; new physics; tt-bar
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Podaci o izdanju
111
2013.
211804-1-211804-16
objavljeno
0031-9007
10.1103/PhysRevLett.111.211804
