Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/3620
Title: Search for new phenomena using the invariant mass distribution of same-flavour opposite-sign dilepton pairs in events with missing transverse momentum in ?s=13 TeV pp collisions with the ATLAS detector
Authors: The ATLAS Collaboration
Sultansoy, Saleh
Keywords: Collisions
jets
proton–proton collisions
Issue Date: Aug-2018
Publisher: Springer New York LLC
Source: ATLAS collaboration. (2018). Search for new phenomena using the invariant mass distribution of same-flavour o pposite-sign dilepton pairs in events with missing transverse momentum in $$\sqrt {s}= 13$$$$\text {Te}\text {V} $$ Te pp collisions with the ATLAS detector. The European Physical Journal C, 78(8), 625.
Abstract: A search for new phenomena in final states containing an e+e- or ?+?- pair, jets, and large missing transverse momentum is presented. This analysis makes use of proton–proton collision data with an integrated luminosity of 36.1fb-1, collected during 2015 and 2016 at a centre-of-mass energy s=13TeV with the ATLAS detector at the Large Hadron Collider. The search targets the pair production of supersymmetric coloured particles (squarks or gluinos) and their decays into final states containing an e+e- or ?+?- pair and the lightest neutralino (?~10) via one of two next-to-lightest neutralino (?~20) decay mechanisms: ?~20?Z?~10, where the Z boson decays leptonically leading to a peak in the dilepton invariant mass distribution around the Z boson mass; and ?~20??+?-?~10 with no intermediate ?+?- resonance, 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 using simplified models, and exclude gluinos and squarks with masses as large as 1.85 and 1.3 Te at 95% confidence level, respectively. © 2018, CERN for the benefit of the ATLAS collaboration.
URI: https://link.springer.com/article/10.1140%2Fepjc%2Fs10052-018-6081-9
https://hdl.handle.net/20.500.11851/3620
ISSN: 14346044
Appears in Collections:Malzeme Bilimi ve Nanoteknoloji Mühendisliği Bölümü / Department of Material Science & Nanotechnology Engineering
PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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