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Search for squarks and gluinos in events with hadronically decaying tau leptons, jets and missing transverse momentum in proton–proton collisions at $\sqrt{s}=13$  TeV recorded with the ATLAS detector

2016-12-10Artigo científico Acesso aberto
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dc.contributor.authorATLAS collaboration (2859 authors)
dc.contributor.authorAguilar-Saavedra, Juan Antonio
dc.contributor.authorAmor Dos Santos, Susana Patricia
dc.contributor.authorAnjos, Nuno
dc.contributor.authorAraque, Juan Pedro
dc.contributor.authorCarvalho, João
dc.contributor.authorCastro, Nuno Filipe
dc.contributor.authorConde Muiño, Patricia
dc.contributor.authorDa Cunha Sargedas De Sousa, Mario Jose
dc.contributor.authorFiolhais, Miguel
dc.contributor.authorGalhardo, Bruno
dc.contributor.authorGomes, Agostinho
dc.contributor.authorGonçalo, Ricardo
dc.contributor.authorJorge, Pedro
dc.contributor.authorMachado Miguens, Joana
dc.contributor.authorMaio, Amélia
dc.contributor.authorManeira, José
dc.contributor.authorOleiro Seabra, Luis Filipe
dc.contributor.authorOnofre, António
dc.contributor.authorPedro, Rute
dc.contributor.authorSantos, Helena
dc.contributor.authorSaraiva, João
dc.contributor.authorSilva, José
dc.contributor.authorTavares Delgado, Ademar
dc.contributor.authorVeloso, Filipe
dc.contributor.authorWolters, Helmut
dc.date.accessioned2019-02-04T10:44:36Z
dc.date.available2019-02-04T10:44:36Z
dc.date.issued2016-12-10
dc.date.updated2019-02-04T10:44:35Z
dc.description.abstractA search for supersymmetry in events with large missing transverse momentum, jets, and at least one hadronically decaying tau lepton has been performed using 3.2 fb$^{-1}$ of proton–proton collision data at $\sqrt{s}=13{\mathrm {\ TeV}}$ recorded by the ATLAS detector at the Large Hadron Collider in 2015. Two exclusive final states are considered, with either exactly one or at least two tau leptons. No excess over the Standard Model prediction is observed in the data. Results are interpreted in the context of gauge-mediated supersymmetry breaking and a simplified model of gluino pair production with tau-rich cascade decays, substantially improving on previous limits. In the GMSB model considered, supersymmetry-breaking scale ( $\Lambda $ ) values below $92 {\mathrm {\ TeV}}$ are excluded at the 95% confidence level, corresponding to gluino masses below $2000 {\mathrm {\ GeV}}$ . For large values of $\tan \beta $ , values of $\Lambda $ up to $107 {\mathrm {\ TeV}}$ and gluino masses up to $2300 {\mathrm {\ GeV}}$ are excluded. In the simplified model, gluino masses are excluded up to $1570 {\mathrm {\ GeV}}$ for neutralino masses around $100 {\mathrm {\ GeV}}$ . Neutralino masses below $700 {\mathrm {\ GeV}}$ are excluded for all gluino masses between 800 and $1500 {\mathrm {\ GeV}}$ , while the strongest exclusion of $750 {\mathrm {\ GeV}}$ is achieved for gluino masses around $1450 {\mathrm {\ GeV}}$ .
dc.description.versionPeer Reviewed
dc.identifierEur.Phys.J. C76 (2016) 683; DOI 10.1140/epjc/s10052-016-4481-2
dc.identifier.urihttp://dx.doi.org/10.1140/epjc/s10052-016-4481-2
dc.identifier.urihttp://hdl.handle.net/10400.26/27144
dc.language.isoeng
dc.titleSearch for squarks and gluinos in events with hadronically decaying tau leptons, jets and missing transverse momentum in proton–proton collisions at $\sqrt{s}=13$  TeV recorded with the ATLAS detector
dc.typejournal article
dspace.entity.typePublication
rcaap.rightsopenAccesspt
rcaap.typearticle

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