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Search for excited electrons singly produced in proton–proton collisions at √s=13 TeV with the ATLAS experiment at the LHC
- 1.0520944 - FZÚ 2020 RIV DE eng J - Článek v odborném periodiku
Aaboud, M. - Aad, G. - Abbott, B. - Chudoba, Jiří - Hejbal, Jiří - Hladík, Ondřej - Jačka, Petr - Jakoubek, Tomáš - Kepka, Oldřich - Kroll, Jiří - Kupčo, Alexander - Lokajíček, Miloš - Lysák, Roman - Marčišovský, Michal - Mikeštíková, Marcela - Němeček, Stanislav - Penc, Ondřej - Šícho, Petr - Staroba, Pavel - Svatoš, Michal - Taševský, Marek … celkem 2872 autorů
Search for excited electrons singly produced in proton–proton collisions at √s=13 TeV with the ATLAS experiment at the LHC.
European Physical Journal C. Roč. 79, č. 9 (2019), s. 1-30, č. článku 803. ISSN 1434-6044. E-ISSN 1434-6052
Výzkumná infrastruktura: CERN-CZ - 90058
Institucionální podpora: RVO:68378271
Klíčová slova: ATLAS * CERN LHC Coll * experimental results * 13000 GeV-cms * mass dependence * channel cross section: upper limit * background
Obor OECD: Particles and field physics
Impakt faktor: 4.389, rok: 2019
Způsob publikování: Open access
A search for excited electrons produced in pp collisions at √s = 13 TeV via a contact interaction qq¯→ee∗ is presented. The search uses 36.1 fb−1 of data collected in 2015 and 2016 by the ATLAS experiment at the Large Hadron Collider. Decays of the excited electron into an electron and a pair of quarks ( eqq¯ ) are targeted in final states with two electrons and two hadronic jets, and decays via a gauge interaction into a neutrino and a W boson ( νW ) are probed in final states with an electron, missing transverse momentum, and a large-radius jet consistent with a hadronically decaying W boson. No significant excess is observed over the expected backgrounds. Upper limits are calculated for the pp→ee∗→eeqq¯ and pp→ee∗→eνW production cross sections as a function of the excited electron mass me∗ at 95% confidence level.
Trvalý link: http://hdl.handle.net/11104/0305617
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