Measurement of the top quark mass using a profile likelihood approach with the lepton + jets final states in proton–proton collisions at s=13TeV

The mass of the top quark is measured in 36.3 fb - 1 of LHC proton–proton collision data collected with the CMS detector at s = 13 Te V . The measurement uses a sample of top quark pair candidate events containing one isolated electron or muon and at least four jets in the final state. For each even...

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Veröffentlicht in:	The European physical journal. C, Particles and fields Particles and fields, 2023-10, Vol.83 (10), p.963-963
Hauptverfasser:	Tumasyan, A., Mikulec, I., Pitters, F. M., Van Doninck, W., Thomas, L., Padula, Sandra S., Bauer, G., Kapoor, A., Osterberg, K., Havukainen, J., Falmagne, G., Harikrishnan, B., Boudoul, G., Novak, A., Hlushchenko, O., Nowack, A., Bayatmakou, M., De Silva, M., Banos, L. I. Estevez, Morentin, M. Mendizabal, Labe, F., Schwandt, J., Rauser, J., Bakas, G., Pásztor, G., Kumar, A., Kumar, S., Errico, F., Grandi, C., Guiducci, L., De Guio, F., De Iorio, A., Lista, L., Grosso, G., Rossin, R., Yarar, H., Zucchetta, A., Rolandi, G., Arneodo, M., Legger, F., Park, S. K., Lee, S., Kang, Y., Yang, S., Pikurs, G., De Oliveira, A. Carvalho Antunes, Benitez, J. F., Bluj, M., Cristella, L., Malgeri, L., Rabady, D., Perez, C. Martin, Mascellani, A., Ristic, B., Cormier, K., Tok, U. G., Yalvac, M., Ozkorucuklu, S., Levchuk, L., Bundock, A., Goldstein, J., Heath, H. F., Olaiya, E., Schuh, T., Dauncey, P., Raymond, D. M., Kyberd, P., Sutantawibul, C., Heintz, U., Bonilla, J., Kukral, O., Datta, A., Wagner, S. R., Chen, X., Alyari, M., Canepa, A., Gandrakota, A., Lincoln, D., Pedro, K., Zoi, I., Shi, K., Köseyan, O. K., Nachtman, J., Penzo, A., Sekhar, S., Lindsey, C., Rebassoo, F., Belloni, A., Siado, J. E., Haddad, Y., Jessop, C., Ornelas, M. Nunez, Kopp, G., Halkiadakis, E., Hart, A., Lath, A., Malhotra, S., Viinikainen, J., Lara, C. E. Perez, Borshch, V.
Format:	Artikel
Sprache:	eng
Schlagworte:	Astronomy Astrophysics and Cosmology Collaboration Elementary Particles Energy Hadrons Heavy Ions Hypotheses Kinematics Large Hadron Collider Leptons Measurement Science and Instrumentation Nuclear Energy Nuclear Physics Physics Physics and Astronomy Protons Quantum Field Theories Quantum Field Theory Quarks Regular Article - Experimental Physics Sensors Simulation Solenoids String Theory
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Beschreibung
Zusammenfassung:	The mass of the top quark is measured in 36.3 fb - 1 of LHC proton–proton collision data collected with the CMS detector at s = 13 Te V . The measurement uses a sample of top quark pair candidate events containing one isolated electron or muon and at least four jets in the final state. For each event, the mass is reconstructed from a kinematic fit of the decay products to a top quark pair hypothesis. A profile likelihood method is applied using up to four observables per event to extract the top quark mass. The top quark mass is measured to be 171.77 ± 0.37 Ge V . This approach significantly improves the precision over previous measurements.
ISSN:	1434-6044 1434-6052
DOI:	10.1140/epjc/s10052-023-12050-4