A search for new phenomena in pp collisions at √s = 13 TeV in final states with missing transverse momentum and at least one jet using the α_T variable

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dc.contributor.author CMS Collaboration
dc.contributor.author Charaf, O.
dc.contributor.author Cooper, S.I.
dc.contributor.author Henderson, C.
dc.contributor.author Rumerio, P.
dc.contributor.author West, C.
dc.date.accessioned 2022-08-02T15:17:01Z
dc.date.available 2022-08-02T15:17:01Z
dc.date.issued 2017
dc.identifier.citation Khachatryan, V., Sirunyan, A. M., Tumasyan, A., Adam, W., Asilar, E., Bergauer, T., Brandstetter, J., Brondolin, E., Dragicevic, M., Erö, J., Flechl, M., Friedl, M., Frühwirth, R., Ghete, V. M., Hartl, C., Hörmann, N., Hrubec, J., Jeitler, M., … Woods, N. (2017). A search for new phenomena in pp collisions at $\sqrt{s} = 13\,\text {TeV} $ $\sqrt{s}$=13TeV in final states with missing transverse momentum and at least one jet using the $\alpha _{\mathrm {T}}$ α T variable. In The European Physical Journal C (Vol. 77, Issue 5). Springer Science and Business Media LLC. https://doi.org/10.1140/epjc/s10052-017-4787-8 en_US
dc.identifier.uri https://ir.ua.edu/handle/123456789/8945
dc.description.abstract A search for new phenomena is performed in final states containing one or more jets and an imbalance in transverse momentum in pp collisions at a centre-of-mass energy of 13 TeV. The analysed data sample, recorded with the CMS detector at the CERN LHC, corresponds to an integrated luminosity of 2.3 fb⁻¹. Several kinematic variables are employed to suppress the dominant background, multijet production, as well as to discriminate between other standard model and new physics processes. The search provides sensitivity to a broad range of new-physics models that yield a stable weakly interacting massive particle. The number of observed candidate events is found to agree with the expected contributions from standard model processes, and the result is interpreted in the mass parameter space of fourteen simplified supersymmetric models that assume the pair production of gluinos or squarks and a range of decay modes. For models that assume gluino pair production, masses up to 1575 and 975 GeV are excluded for gluinos and neutralinos, respectively. For models involving the pair production of top squarks and compressed mass spectra, top squark masses up to 400 GeV are excluded. en_US
dc.description.uri https://doi.org/10.1140/epjc/s10052-017-4787-8
dc.format.mimetype application/pdf
dc.language English
dc.rights.uri http://creativecommons.org/licenses/by/3.0/
dc.subject CMS en_US
dc.subject Physics en_US
dc.title A search for new phenomena in pp collisions at √s = 13 TeV in final states with missing transverse momentum and at least one jet using the α_T variable en_US
dc.type text


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