Search for pair production of second-generation leptoquarks at $\sqrt{s}=$ 13 TeV

Bakhshiansohi, Hamed;Bondu, Olivier;Brochet, Sébastien;Bruno, Giacomo;CMS Collaboration;et.al.
(2019) Physical Review D — Vol. D99, p. 32014 (2019)

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Authors
  • Bakhshiansohi, HamedUCLouvain
    Author
  • Bondu, OlivierUCLouvain
    Author
  • Brochet, SébastienUCLouvain
    Author
  • Author
  • Caputo, ClaudioUCLouvain
    Author
  • David, PieterUCLouvain
    Author
  • Author
  • Delcourt, MartinUCLouvain
    Author
  • Author
  • Krintiras, GeorgiosUCLouvain
    Author
  • Author
  • Magitteri, AlessioUCLouvain
    Author
  • Mertens, AlexandreUCLouvain
    Author
  • Piotrzkowski, KrzysztofUCLouvain
    Author
  • Saggio, AlessiaUCLouvain
    Author
  • Vidal Marono, MiguelUCLouvain
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  • Wertz, SébastienUCLouvain
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  • Zobec, JozeUCLouvain
    Author
  • CMS Collaboration
    Author
  • et. al.
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Abstract
A search for pair production of second-generation leptoquarks is performed using proton-proton collision data collected at $\sqrt{s}=$ 13 TeV in 2016 with the CMS detector at the CERN LHC, corresponding to an integrated luminosity of 35.9 fb$^{-1}$. Final states with two muons and two jets, or with one muon, two jets, and missing transverse momentum are considered. Second-generation scalar leptoquarks with masses less than 1530 (1285) GeV are excluded for $\beta =$ 1.0 (0.5), where $\beta$ is the branching fraction for the decay of a leptoquark to a charged lepton and a quark. The results of the search are also interpreted as limits on the pair production of long-lived top squarks in an $R$-parity violating supersymmetry model that has a final state with two muons and two jets. These limits represent the most stringent limits to date on these models.
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Citations

Bakhshiansohi, H., Bondu, O., Brochet, S., Bruno, G., Caputo, C., David, P., Delaere, C., Delcourt, M., Giammanco, A., Krintiras, G., Lemaitre, V., Magitteri, A., Mertens, A., Piotrzkowski, K., Saggio, A., Vidal Marono, M., Wertz, S., Zobec, J., CMS Collaboration, & et al. (2019). Search for pair production of second-generation leptoquarks at $\sqrt{s}=$ 13 TeV. Physical Review D, D99, 32014. https://doi.org/10.1103/PhysRevD.99.032014 (Original work published 2019)