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Search for Low-Mass Quark-Antiquark Resonances Produced in Association with a Photon at root s=13 TeV

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dc.contributor.authorSirunyan, A. M.
dc.contributor.authorTumasyan, A.
dc.contributor.authorAdam, W.
dc.contributor.authorAmbrogi, F.
dc.contributor.authorMatveev, V.
dc.contributor.authorChistov, R.
dc.contributor.authorDanilov, M.
dc.contributor.authorParygin, P.
dc.contributor.authorPhilippov, D.
dc.contributor.authorPolikarpov, S.
dc.contributor.authorTarkovskii, E.
dc.contributor.authorAzarkin, M.
dc.contributor.authorDremin, I.
dc.contributor.authorKirakosyan, M.
dc.contributor.authorNewbold, D. M.
dc.contributor.authorМатвеев, Виктор Анатольевич
dc.contributor.authorЧистов, Руслан Николаевич
dc.contributor.authorДанилов, Михаил Владимирович
dc.contributor.authorПоликарпов, Сергей Михайлович
dc.date.accessioned2024-11-21T15:16:22Z
dc.date.available2024-11-21T15:16:22Z
dc.date.issued2019
dc.description.abstractA search for narrow low-mass resonances decaying to quark-antiquark pairs is presented. The search is based on proton-proton collision events collected at 13 TeV by the CMS detector at the CERN LHC. The data sample corresponds to an integrated luminosity of 35.9 fb(-1), recorded in 2016. The search considers the case where the resonance has high transverse momentum due to initial-state radiation of a hard photon. To study this process, the decay products of the resonance are reconstructed as a single large-radius jet with two-pronged substructure. The signal would be identified as a localized excess in the jet invariant mass spectrum. No evidence for such a resonance is observed in the mass range 10 to 125 GeV. Upper limits at the 95% confidence level are set on the coupling strength of resonances decaying to quark pairs. The results obtained with this photon trigger strategy provide the first direct constraints on quark-antiquark resonance masses below 50 GeV obtained at a hadron collider.
dc.identifier.citationSearch for Low-Mass Quark-Antiquark Resonances Produced in Association with a Photon at root s=13 TeV / Sirunyan, AM [et al.] // Physical Review Letters. - 2019. - 123. - № 23. - 10.1103/PhysRevLett.123.231803
dc.identifier.doi10.1103/PhysRevLett.123.231803
dc.identifier.urihttps://www.doi.org/10.1103/PhysRevLett.123.231803
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dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/18995
dc.relation.ispartofPhysical Review Letters
dc.titleSearch for Low-Mass Quark-Antiquark Resonances Produced in Association with a Photon at root s=13 TeV
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue23
oaire.citation.volume123
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