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 𝛽 and 1−𝛽, 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 𝛽=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.

Sirunyan, A.M., Tumasyan, A., Adam, W., Ambrogi, F., Asilar, E., Bergauer, T., et al. (2019). Search for pair production of first-generation scalar leptoquarks at √𝑠=13  TeV. PHYSICAL REVIEW D, 99(5), 1-28 [10.1103/PhysRevD.99.052002].

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

Battilana C.;Bonacorsi D.;Borgonovi L.;Braibant-Giacomelli S.;Campanini R.;Capiluppi P.;Castro A.;Chhibra S. S.;Codispoti G.;Cuffiani M.;Fanfani A.;Fontanesi E.;Guiducci L.;Navarria F. L.;Primavera F.;Rovelli T.;Siroli G. P.;
2019

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 𝛽 and 1−𝛽, 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 𝛽=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.
2019
Sirunyan, A.M., Tumasyan, A., Adam, W., Ambrogi, F., Asilar, E., Bergauer, T., et al. (2019). Search for pair production of first-generation scalar leptoquarks at √��=13  TeV. PHYSICAL REVIEW D, 99(5), 1-28 [10.1103/PhysRevD.99.052002].
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Asilar, E.; Bergauer, T.; Brandstetter, J.; Dragicevic, M.; Ero, J.; Escalante Del Valle, A.; Fl...espandi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/721291
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