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Abstract: Results: are reported from a search for the top squark t ? 1, the lighter of the two supersymmetric partners of the top quark. The data sample corresponds to 19.7 fb?1 of proton-proton collisions at s=8 TeV collected with the CMS detector at the LHC. The search targets t?1?b??1± and t?1?t(?)??10 decay modes, where ??1± and ??10 are the lightest chargino and neutralino, respectively. The reconstructed final state consists of jets, b jets, missing transverse energy, and either one or two leptons. Leading backgrounds are determined from data. No significant excess in data is observed above the expectation from standard model processes. The results exclude a region of the two-dimensional plane of possible t ? 1 and ??10 masses. The highest excluded t ? 1 and ??10 masses are about 700 GeV and 250 GeV, respectively.
Fuente: Journal of High Energy Physics, Vol. 2016, Num. 7, Art. Num. 27
Publisher: Springer Verlag
Publication date: 01/07/2016
No. of pages: 49
Publication type: Article
DOI: 10.1007/JHEP07(2016)027
ISSN: 1126-6708,1029-8479
Publication Url: https://doi.org/10.1007/JHEP07(2016)027
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KHACHATRYAN, VLADIMIR
JOSE IBAN CABRILLO BARTOLOME
ALICIA CALDERON TAZON
JUAN RAMON CASTIÑEIRAS DE SAA
PABLO DE CASTRO MANZANO
MARCOS FERNANDEZ GARCIA
JUAN GARCIA FERRERO
GERVASIO GOMEZ GRAMUGLIO
MARIA AMPARO LOPEZ VIRTO
JESUS MARCO DE LUCAS
RAFAEL JOSE MARCO DE LUCAS
CELSO MARTINEZ RIVERO
FRANCISCO MATORRAS WEINIG
JONATAN PIEDRA GOMEZ
MARIA TERESA RODRIGO ANORO
ANA YAIZA RODRIGUEZ MARRERO
ALBERTO RUIZ JIMENO
LUCA SCODELLARO
NICOLO TREVISANI
IVAN VILA ALVAREZ
ROCIO VILAR CORTABITARTE
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