Details

Autor(en) / Beteiligte

• Adye, T.
• Affolder, A.A.
• Alhroob, M.
• Angelidakis, S.
• Astalos, R.
• Bajic, M.
• Batley, J.R.
• Bertoli, G.
• Biesuz, N.V.
• Bini, C.
• Blumenschein, U.
• Bouhova-Thacker, E.V.
• Bruni, L.S.
• Carlson, B.T.
• Cavalli, D.
• Cetin, S.A.
• Connell, S.H.
• Crawley, S.J.
• Dano Hoffmann, M.
• Darmora, S.
• Davidek, T.
• Dawe, E.
• Demilly, A.
• Deterre, C.
• Dietrich, J.
• Falciano, S.
• Farrell, S.
• Fiolhais, M.C.N.
• García Navarro, J.E.
• Gaudio, G.
• Gignac, M.
• Goblirsch-Kolb, M.
• Gordon, H.A.
• Gorini, E.
• Guan, L.
• Gupta, R.
• Hamnett, P.G.
• Hays, J.M.
• Heim, S.
• Heinrich, J.J.
• Higón-Rodriguez, E.
• Hill, J.C.
• Hiller, K.H.
• Hooberman, B.H.
• Johns, K.A.
• Kagan, H.
• Karakostas, K.
• Karyukhin, A.N.
• Katzy, J.
• Keoshkerian, H.
• Klein, M.H.
• Klein, U.
• Kurchaninov, L.L.
• Lacasta, C.
• Lavrijsen, W.
• Liberti, B.
• Losada, M.
• Maio, A.
• March, L.
• Mikenberg, G.
• Mochizuki, K.
• Moore, R.W.
• Morii, M.
• Myagkov, A.G.
• Myska, M.
• Narayan, R.
• Oleiro Seabra, L.F.
• Ouchrif, M.
• Owen, R.E.
• Peng, C.
• Pettersson, N.E.
• Piacquadio, G.
• Picazio, A.
• Poveda, J.
• Redlinger, G.
• Ryu, S.
• Schaefer, L.
• Schoening, A.
• Serin, L.
• Shulga, E.
• Siragusa, G.
• Smolek, K.
• Snyder, I.M.
• Sotiropoulou, C.L.
• Soukharev, A.M.
• Stark, J.
• Sun, S.
• Takai, H.
• Tanaka, S.
• Torrence, E.
• Tovey, D.R.
• Trischuk, W.
• Tuna, A.N.
• Veloce, L.M.
• Veneziano, S.
• Xella, S.
• Xia, L.
• Ye, J.
• Zhang, M.
• Zhou, L.

Titel

Measurement of the production cross-section of a single top quark in association with a Z boson in proton–proton collisions at 13 TeV with the ATLAS detector

Ist Teil von

• Physics letters. B, 2018-05, Vol.780 (C), p.557-577

Ort / Verlag

Netherlands: Elsevier B.V

Erscheinungsjahr

2018

Link zum Volltext

Quelle

Free E-Journal (出版社公開部分のみ）

Beschreibungen/Notizen

• The production of a top quark in association with a Z boson is investigated. The proton–proton collision data collected by the ATLAS experiment at the LHC in 2015 and 2016 at a centre-of-mass energy of s=13TeV are used, corresponding to an integrated luminosity of 36.1fb−1. Events containing three identified leptons (electrons and/or muons) and two jets, one of which is identified as a b-quark jet are selected. The major backgrounds are diboson, tt¯ and Z+jets production. A neural network is used to improve the background rejection and extract the signal. The resulting significance is 4.2σ in the data and the expected significance is 5.4σ. The measured cross-section for tZq production is 600±170(stat.)±140(syst.)fb.