Search for dark matter in events with a leptoquark and missing transverse momentum in proton-proton collisions at 13 TeV
File(s)
Published version
Author(s)
Type
Journal Article
Abstract
Asearchispresentedfordarkmatterinproton-protoncollisionsatacenter-of-massenergyof√s=13 TeVusingeventswithatleastonehightransversemomentum(pT)muon,atleastonehigh-pTjet,andlargemissingtransversemomentum.ThedatawerecollectedwiththeCMSdetectorattheCERNLHCin2016and2017,andcorrespondtoanintegratedluminosityof77.4 fb−1.Intheexaminedscenario,apairofscalarleptoquarksisassumedtobeproduced.Oneleptoquarkdecaystoamuonandajetwhiletheotherdecaystodarkmatterandlow-pTstandardmodelparticles.ThesignatureforsignaleventswouldbesignificantmissingtransversemomentumfromthedarkmatterinconjunctionwithapeakattheleptoquarkmassintheinvariantmassdistributionofthehighestpTmuonandjet.Thedataareobservedtobeconsistentwiththebackgroundpredictedbythestandardmodel.Forthefirstbenchmarkscenarioconsidered,darkmattermassesupto500 GeVareexcludedforleptoquarkmassesmLQ≈1400 GeV,andupto300 GeVformLQ≈1500 GeV.Forthesecondbenchmarkscenario,darkmattermassesupto600 GeVareexcludedformLQ≈1400 GeV.
Date Issued
2019-08-10
Date Acceptance
2019-05-29
Citation
Physics Letters B, 2019, 795, pp.76-99
ISSN
0370-2693
Publisher
Elsevier
Start Page
76
End Page
99
Journal / Book Title
Physics Letters B
Volume
795
Copyright Statement
©2019TheAuthor(s).PublishedbyElsevierB.V.ThisisanopenaccessarticleundertheCCBYlicense(http://creativecommons.org/licenses/by/4.0/).
Identifier
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000477924000010&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
Subjects
Science & Technology
Physical Sciences
Astronomy & Astrophysics
Physics, Nuclear
Physics, Particles & Fields
Physics
CMS
Dark matter
Leptoquarks
PARTICLE
CANDIDATES
PHYSICS
Publication Status
Published
Date Publish Online
2019-06-03