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Search for pair production of first-generation scalar leptoquarks at √s = 13 TeV
Sirunyan, A. M. Sanders, Stephen J. CMS Collaboration
Sirunyan, A. M.
Sanders, Stephen J.
CMS Collaboration
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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.
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This work is licensed under a Creative Commons Attribution 4.0 International License.
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2019-03-14
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American Physical Society
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Sirunyan_2019.pdf
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A. M. Sirunyan et al., "Search for pair production of first-generation scalar leptoquarks at √s = 13 TeV", Phys. Rev. D 99, 052002, 14 March 2019, American Physical Society, https://doi.org/10.1103/PhysRevD.99.052002