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Aaboud, M.; Abbott, B.; Allaire, C.; Astalos, R.; Backes, M.; Barnea, R.; Barreiro, F.; Batista, S. J.; Bedognetti, M.; Benoit, M.; Berge, D.; Betti, A.; Bomben, M.; Burch, T. J.; Buttar, C. M.; Cai, H.; Carbone, R. M.; Chen, H.; Choi, K.; Cinca, D.; Costa, M. J.; Del Peso, J.; D’Eramo, L.; D’Onofrio, M.; Doria, A.; Dumancic, M.; Ezzi, M.; Fabiani, V.; Farrell, S.; Fomin, N.; Gardner, R. W.; Gongadze, A.; Gostkin, M. I.; Gradin, P. O. J.; Gui, B.; Hakobyan, H.; Han, L.; Havener, L. B.; Heinrich, L.; Higashino, S.; Ikegami, Y.; Jiang, Y.; Keyes, R. A.; Kozhin, A. S.; Kuwertz, E. S.; La Rotonda, L.; LeBlanc, M.; Li, Q.; Liu, J. K. K.; Lorenz, J.; Lösel, P. J.; Lubatti, H. J.; Marshall, Z.; Mc Goldrick, G.; Mitsou, V. A.; Mochizuki, K.; Nagai, R.; Nitta, T.; Odaka, S.; Otero y Garzon, G.; Phillips, P. W.; Plotnikova, E.; Poley, A.; Pollard, C. S.; Raspopov, S.; Redelbach, A.; Rizvi, E.; Roberts, R. T.; Rodriguez Rodriguez, D.; Rosati, S.; Russell, H. L.; Sakharov, A.; Salamanna, G.; Salzburger, A.; Schopf, E.; Schramm, S.; Sciolla, G.; Shabalina, E.; Sharma, A.; Silva, M.; Spalla, M.; Tanaka, R.; Tannenwald, B. B.; Thompson, P. D.; Toth, J.; Trocmé, B.; Truong, L.; Tseng, J.C-L.; Tsybychev, D.; Van Nieuwkoop, J.; Vichou, I.; Vogel, M.; Watson, A. T.; White, A.; Wilk, F.; Willocq, S.; Wolf, T. M. H.; Xu, D.; Zhang, R.; Zoch, K.
The European physical journal. C, Particles and fields, 2018, Letnik: 78, Številka: 7Journal Article
A search for new heavy particles that decay into top-quark pairs is performed using data collected from proton–proton collisions at a centre-of-mass energy of 13 TeV by the ATLAS detector at the Large Hadron Collider. The integrated luminosity of the data sample is 36.1 fb - 1 . Events consistent with top-quark pair production are selected by requiring a single isolated charged lepton, missing transverse momentum and jet activity compatible with a hadronic top-quark decay. Jets identified as likely to contain b -hadrons are required to reduce the background from other Standard Model processes. The invariant mass spectrum of the candidate top-quark pairs is examined for local excesses above the background expectation. No significant deviations from the Standard Model predictions are found. Exclusion limits are set on the production cross-section times branching ratio for hypothetical Z ′ bosons, Kaluza–Kein gluons and Kaluza–Klein gravitons that decay into top-quark pairs.
