Search for Supersymmetry with a Compressed Mass Spectrum in Events with a Soft tau Lepton, a Highly Energetic Jet, and Large Missing Transverse Momentum in Proton-Proton Collisions at root s=13 TeV

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dc.contributor.author The CMS collaboration
dc.contributor.author Eerola, P.
dc.contributor.author Forthomme, L.
dc.contributor.author Kirschenmann, H.
dc.contributor.author Österberg, K.
dc.contributor.author Voutilainen, M.
dc.contributor.author Garcia, F.
dc.contributor.author Havukainen, J.
dc.contributor.author Heikkilä, J. K.
dc.contributor.author Kinnunen, R.
dc.contributor.author Lampen, T.
dc.contributor.author Lassila-Perini, K.
dc.contributor.author Laurila, S.
dc.contributor.author Lehti, S.
dc.contributor.author Linden, T.
dc.contributor.author Luukka, P.
dc.contributor.author Mäenpää, T.
dc.contributor.author Siikonen, H.
dc.contributor.author Tuominen, E.
dc.contributor.author Tuominiemi, J.
dc.contributor.author Viinikainen, J.
dc.contributor.author Pekkanen, J.
dc.contributor.author Karimäki, V.
dc.contributor.author Kim, M. S.
dc.contributor.author Sirunyan, A. M.
dc.contributor.author Tumasyan, A.
dc.date.accessioned 2020-06-16T14:30:02Z
dc.date.available 2020-06-16T14:30:02Z
dc.date.issued 2020-01-29
dc.identifier.citation The CMS Collaboration , Eerola , P , Forthomme , L , Kirschenmann , H , Österberg , K , Voutilainen , M , Garcia , F , Havukainen , J , Heikkilä , J K , Kinnunen , R , Lampen , T , Lassila-Perini , K , Laurila , S , Lehti , S , Linden , T , Luukka , P , Mäenpää , T , Siikonen , H , Tuominen , E , Tuominiemi , J , Viinikainen , J , Pekkanen , J , Karimäki , V , Kim , M S , Sirunyan , A M & Tumasyan , A 2020 , ' Search for Supersymmetry with a Compressed Mass Spectrum in Events with a Soft tau Lepton, a Highly Energetic Jet, and Large Missing Transverse Momentum in Proton-Proton Collisions at root s=13 TeV ' , Physical Review Letters , vol. 124 , no. 4 , 041803 . https://doi.org/10.1103/PhysRevLett.124.041803
dc.identifier.other PURE: 138942499
dc.identifier.other PURE UUID: 60bf3435-53ba-46e9-b789-b2506cf0c3f9
dc.identifier.other WOS: 000510176700004
dc.identifier.other ORCID: /0000-0003-4807-0414/work/75944657
dc.identifier.other ORCID: /0000-0002-5200-6477/work/75945229
dc.identifier.other ORCID: /0000-0003-2039-5874/work/75945884
dc.identifier.other ORCID: /0000-0002-4023-7964/work/75946403
dc.identifier.other ORCID: /0000-0001-7369-2536/work/75946949
dc.identifier.other ORCID: /0000-0003-2898-6900/work/75946951
dc.identifier.other ORCID: /0000-0002-7073-7767/work/75943471
dc.identifier.other ORCID: /0000-0001-7507-8636/work/82752391
dc.identifier.other ORCID: /0000-0003-0392-8691/work/82753218
dc.identifier.other ORCID: /0000-0002-0538-1469/work/82754366
dc.identifier.other ORCID: /0000-0003-2530-4265/work/87353101
dc.identifier.uri http://hdl.handle.net/10138/316212
dc.description.abstract The first search for supersymmetry in events with an experimental signature of one soft, hadronically decaying tau lepton, one energetic jet from initial-state radiation, and large transverse momentum imbalance is presented. These event signatures are consistent with direct or indirect production of scalar tau leptons ((tau) over tilde) in supersymmetric models that exhibit coannihilation between the (tau) over tilde and the lightest neutralino ((chi) over tilde (0)(1)), and that could generate the observed relic density of dark matter. The data correspond to an integrated luminosity of 77.2 fb(-1) of proton-proton collisions at root s = 13 TeV collected with the CMS detector at the LHC in 2016 and 2017. The results are interpreted in a supersymmetric scenario with a small mass difference (Delta m) between the chargino ((chi) over tilde (+/-)(1)) or next-to-lightest neutralino ((chi) over tilde (0)(2)), and the (chi) over tilde (0)(1). The mass of the (tau) over tilde is assumed to be the average of the (chi) over tilde (1)(+/-) and (chi) over tilde (0)(1) masses. The data are consistent with standard model background predictions. Upper limits at 95% confidence level are set on the sum of the (chi) over tilde (+/-)(1). (chi) over tilde (0)(2), and (tau) over tilde production cross sections for Delta m ((chi) over tilde (+/-)(1),(chi) over tilde (0)(1)) = 50 GeV, resulting in a lower limit of 290 GeVon the mass of the (chi) over tilde (+/-)(1), which is the most stringent to date and surpasses the bounds from the LEP experiments. en
dc.format.extent 19
dc.language.iso eng
dc.relation.ispartof Physical Review Letters
dc.rights cc_by
dc.rights.uri info:eu-repo/semantics/openAccess
dc.subject 114 Physical sciences
dc.title Search for Supersymmetry with a Compressed Mass Spectrum in Events with a Soft tau Lepton, a Highly Energetic Jet, and Large Missing Transverse Momentum in Proton-Proton Collisions at root s=13 TeV en
dc.type Article
dc.contributor.organization Department of Physics
dc.contributor.organization Helsinki Institute of Physics
dc.contributor.organization Eija Tuominen / Principal Investigator
dc.description.reviewstatus Peer reviewed
dc.relation.doi https://doi.org/10.1103/PhysRevLett.124.041803
dc.relation.issn 0031-9007
dc.rights.accesslevel openAccess
dc.type.version publishedVersion

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