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Search for B-L R -parity-violating top squarks in $\sqrt s$ =13  TeV pp collisions with the ATLAS experiment

2018-02-07Journal article Open access
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dc.contributor.authorATLAS collaboration (2894 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.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.accessioned2019-02-05T15:18:22Z
dc.date.available2019-02-05T15:18:22Z
dc.date.issued2018-02-07
dc.date.updated2019-02-05T15:18:22Z
dc.description.abstractA search is presented for the direct pair production of the stop, the supersymmetric partner of the top quark, that decays through an R-parity-violating coupling to a final state with two leptons and two jets, at least one of which is identified as a b-jet. The data set corresponds to an integrated luminosity of 36.1  fb-1 of proton-proton collisions at a center-of-mass energy of s=13  TeV, collected in 2015 and 2016 by the ATLAS detector at the LHC. No significant excess is observed over the Standard Model background, and exclusion limits are set on stop pair production at a 95% confidence level. Lower limits on the stop mass are set between 600 GeV and 1.5 TeV for branching ratios above 10% for decays to an electron or muon and a b-quark.
dc.description.versionPeer Reviewed
dc.identifierPhys.Rev. D97 (2018) 032003 Phys. Rev. D 97 (2018) 032003; DOI 10.1103/PhysRevD.97.032003
dc.identifier.urihttp://dx.doi.org/10.1103/PhysRevD.97.032003
dc.identifier.urihttp://hdl.handle.net/10400.26/27478
dc.language.isoeng
dc.titleSearch for B-L R -parity-violating top squarks in $\sqrt s$ =13  TeV pp collisions with the ATLAS experiment
dc.typejournal article
dspace.entity.typePublication
rcaap.rightsopenAccesspt
rcaap.typearticle

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