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Search for pair production of first-generation scalar leptoquarks at ?s=13??TeV

Abstract: A search for the pair production of first-generation scalar leptoquarks is performed using proton-proton collision data recorded at 13 TeV center-of-mass energy with the CMS detector at the LHC. The data correspond to an integrated luminosity of 35.9??fb?1. The leptoquarks are assumed to decay promptly to a quark and either an electron or a neutrino, with branching fractions ? and 1??, respectively. The search targets the decay final states comprising two electrons, or one electron and large missing transverse momentum, along with two quarks that are detected as hadronic jets. First-generation scalar leptoquarks with masses below 1435 (1270) GeV are excluded for ?=1.0(0.5). These are the most stringent limits on the mass of first-generation scalar leptoquarks to date. The data are also interpreted to set exclusion limits in the context of an R-parity violating supersymmetric model, predicting promptly decaying top squarks with a similar dielectron final state.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Fuente: Phys. Rev. D 99, 052002 (2019)

Editorial: American Physical Society

 Fecha de publicación: 01/03/2019

Nº de páginas: 28

Tipo de publicación: Artículo de Revista

 DOI: 10.1103/PhysRevD.99.052002

ISSN: 1550-7998,1550-2368,2470-0010,2470-0029

Url de la publicación: https://doi.org/10.1103/PhysRevD.99.052002