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Abstract: A search is presented for a singly produced third-generation scalar leptoquark decaying to a ? lepton and a bottom quark. Associated production of a leptoquark and a ? lepton is considered, leading to a final state with a bottom quark and two ? leptons. The search uses proton-proton collision data at a center-of-mass energy of 13 TeV recorded with the CMS detector, corresponding to an integrated luminosity of 35.9 fb?1. Upper limits are set at 95% confidence level on the production cross section of the third-generation scalar leptoquarks as a function of their mass. From a comparison of the results with the theoretical predictions, a third-generation scalar leptoquark decaying to a ? lepton and a bottom quark, assuming unit Yukawa coupling (?), is excluded for masses below 740 GeV. Limits are also set on ? of the hypothesized leptoquark as a function of its mass. Above ? = 1.4, this result provides the best upper limit on the mass of a third-generation scalar leptoquark decaying to a ? lepton and a bottom quark.
Fuente: Journal of High Energy Physics, Vol. 2018, Num. 07, Art. Num. 115
Publisher: Springer Verlag
Publication date: 18/07/2018
No. of pages: 40
Publication type: Artículo de Revista
DOI: 10.1007/JHEP07(2018)115
ISSN: 1126-6708,1029-8479
Publication Url: https://doi.org/10.1007/JHEP07(2018)115
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SIRUNYAN, A. M.
JOSE IBAN CABRILLO BARTOLOME
ALICIA CALDERON TAZON
BARBARA CHAZIN QUERO
JORGE DUARTE CAMPDERROS
MARCOS FERNANDEZ GARCIA
PEDRO JOSE FERNANDEZ MANTECA
ANDREA GARCIA ALONSO
JUAN GARCIA FERRERO
GERVASIO GOMEZ GRAMUGLIO
MARIA AMPARO LOPEZ VIRTO
JESUS MARCO DE LUCAS
CELSO MARTINEZ RIVERO
PABLO MARTINEZ RUIZ DEL ARBOL
FRANCISCO MATORRAS WEINIG
JONATAN PIEDRA GOMEZ
CEDRIC GERALD PRIEELS
MARIA TERESA RODRIGO ANORO
ALBERTO RUIZ JIMENO
LUCA SCODELLARO
NICOLO TREVISANI
IVAN VILA ALVAREZ
ROCIO VILAR CORTABITARTE
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