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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 s = 13 $$\text TeV$$ TeV $$\varvecpp$$ p p collisions with the ATLAS detector

Aaboud, M.
•
Aad, G.
•
Abbott, B.
altro
GIORDANI, Mario
2017
  • journal article

Periodico
THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS
Abstract
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 14.7fb-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~20→l+l-χ~10), 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).
DOI
10.1140/epjc/s10052-017-4700-5
WOS
WOS:000396119600002
Archivio
http://hdl.handle.net/11390/1109685
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85014651064
Diritti
metadata only access
Scopus© citazioni
13
Data di acquisizione
Jun 14, 2022
Vedi dettagli
Web of Science© citazioni
45
Data di acquisizione
Mar 22, 2024
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