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Search for pair production of first-generation scalar leptoquarks at s =13 TeV

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2019
PhysRevD.99.052002.pdf (4.371Mb)
Authors
Sirunyan, A M
Tumasyan, A
Adam, W
Ambrogi, F
Adžić, Petar
Ćirković, Predrag
Devetak, Damir
Đorđević, Miloš
Milošević, Jovan
Contributors
CMS Collaboration
CMS Collaboration (ukupan broj autora: 2293)
Article (Published version)
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Abstract
A search for the pair production of first-generation scalar leptoquarks is performed using proton-proton collision data recorded at 13 TeV center-of-mass energy with the CMS detector at the LHC. The data correspond to an integrated luminosity of 35.9 fb-1. The leptoquarks are assumed to decay promptly to a quark and either an electron or a neutrino, with branching fractions β and 1-β, respectively. The search targets the decay final states comprising two electrons, or one electron and large missing transverse momentum, along with two quarks that are detected as hadronic jets. First-generation scalar leptoquarks with masses below 1435 (1270) GeV are excluded for β=1.0(0.5). These are the most stringent limits on the mass of first-generation scalar leptoquarks to date. The data are also interpreted to set exclusion limits in the context of an R-parity violating supersymmetric model, predicting promptly decaying top squarks with a similar dielectron final state. © 2019 2019 CERN, for the ...CMS Collaboration.

Source:
Physical Review D, 2019, 99, 5

DOI: 10.1103/PhysRevD.99.052002

ISSN: 2470-0010; 2470-0029

WoS: 000461906000002

Scopus: 2-s2.0-85064394773
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https://www.scopus.com/inward/record.uri?eid=2-s2.0-85064394773&doi=10.1103%2FPhysRevD.99.052002&partnerID=40&md5=9972abbf91768ef9c5f939e394468654
http://vinar.vin.bg.ac.rs/handle/123456789/8151
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