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Search for new phenomena in events containing a same-flavour opposite-sign dilepton pair, jets, and large missing transverse momentum in √s = 13 TeV pp collisions with the ATLAS detector

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Two searches for new phenomena in final states containing a same-flavour opposite-sign lepton (electron or muon) pair, jets, and large missing transverse momentum are presented. These searches make use of proton–proton collision data, collected during 2015 and 2016 at a centre-of-mass energy s√=13 T...

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Autori principali: Aaboud, Morad (Autore) , Anders, Christoph (Autore) , Andrei, George Victor (Autore) , Antel, Claire (Autore) , Baas, Alessandra Edda (Autore) , Brandt, Oleg (Autore) , Djuvsland, Julia Isabell (Autore) , Dunford, Monica (Autore) , Ferreira de Lima, Danilo Enoque (Autore) , Geisler, Manuel Patrice (Autore) , Giulini, Maddalena (Autore) , Hanke, Paul (Autore) , Jongmanns, Jan (Autore) , Kluge, Eike-Erik (Autore) , Kolb, Mathis (Autore) , Kretz, Moritz (Autore) , Kugel, Andreas (Autore) , Lang, Valerie (Autore) , Lisovyi, Mykhailo (Autore) , Meier, Karlheinz (Autore) , Meyer zu Theenhausen, Hanno (Autore) , Narrias Villar, Daniel Isaac (Autore) , S̜ahinsoy, Merve (Autore) , Schätzel, Sebastian (Autore) , Scharf, Veit (Autore) , Schöning, André (Autore) , Schultz-Coulon, Hans-Christian (Autore) , Sosa Corral, David E. (Autore) , Spieker, Thomas (Autore) , Stamen, Rainer (Autore) , Starovoitov, Pavel (Autore) , Suchek, Stanislav (Autore) , Wessels, Martin (Autore)
Ente Autore: ATLAS Collaboration (Autore)
Natura: Article (Journal)
Lingua:inglese
Pubblicazione: 04 March 2017
In: The European physical journal. C, Particles and fields
Year: 2017, Volume: 77, Fascicolo: 3
ISSN:1434-6052
DOI:10.1140/epjc/s10052-017-4700-5
Accesso online:Verlag, Volltext: https://doi.org/10.1140/epjc/s10052-017-4700-5
Verlag: https://link.springer.com/article/10.1140/epjc/s10052-017-4700-5
Testo
Note sull'autore:ATLAS Collaboration*
Descrizione
Riassunto:Two searches for new phenomena in final states containing a same-flavour opposite-sign lepton (electron or muon) pair, jets, and large missing transverse momentum are presented. These searches make use of proton–proton collision data, collected during 2015 and 2016 at a centre-of-mass energy s√=13 TeV by the ATLAS detector at the large hadron collider, which correspond to an integrated luminosity of 14.7 fb−1. Both searches target the pair production of supersymmetric particles, squarks or gluinos, which decay to final states containing a same-flavour opposite-sign lepton pair via one of two mechanisms: a leptonically decaying Z boson in the final state, leading to a peak in the dilepton invariant-mass distribution around the Z boson mass; and decays of neutralinos (e.g. χ~02→ℓ+ℓ−χ~01), yielding a kinematic endpoint in the dilepton invariant-mass spectrum. The data are found to be consistent with the Standard Model expectation. Results are interpreted in simplified models of gluino-pair (squark-pair) production, and provide sensitivity to gluinos (squarks) with masses as large as 1.70 TeV (980 GeV).
Descrizione del documento:Gesehen am 12.02.2020
*ATLAS Collaboration: M. Aaboud, C.F. Anders, V. Andrei, C. Antel, A.E. Baas, O. Brandt, J.J. Djuvsland, M. Dunford, D.E. Ferreira de Lima, M.P. Geisler, M. Giulini, P. Hanke, J. Jongmanns, E.-E. Kluge, M. Kolb, M. Kretz, A. Kugel, V.S. Lang, M. Lisovyi, K. Meier, H. Meyer zu Theenhausen, D.I. Narrias Villar, M. Sahinsoy, S. Schaetzel, V. Scharf, A. Schoening, H.-C. Schultz-Coulon, D. Sosa, T.M. Spieker, R. Stamen, P. Starovoitov, S. Suchek, M. Wessels [und 2809 weitere Personen]
Im Titel steht der Buchstabe "s" unter dem Wurzelsymbol
Descrizione fisica:Online Resource
ISSN:1434-6052
DOI:10.1140/epjc/s10052-017-4700-5

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