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

descriptionPublicationkeyboard_double_arrow_right Article , Research , Report , Preprint 14 Mar 2019Embargo end date: 01 Jan 2018 United Kingdom, Italy, Italy, United States, Italy, Italy, Italy, Italy, Belgium, Germany, France, Brazil, Greece, Italy, Italy, Italy, Italy, Croatia, Poland, Italy, Italy, Italy, Italy, Germany, Italy, France, United States, France, Belgium, Belarus, Italy, Italy, Germany, United Kingdom, Spain, Belgium, Italy, Spain, United Kingdom, Germany, United States, Italy, Croatia, Italy, Turkey, Italy English Publisher:American Physical Society (APS)Journal:Physical Review D, volume 99 (issn: 2470-0010, eissn: 2470-0029,

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Authors: Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Asilar, E.; Bergauer, T.; Brandstetter, J.; +193 Authors

Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Asilar, E.; Bergauer, T.; Brandstetter, J.; Dragicevic, M.; Eroe, J.; Del Valle, A. Escalante; Flechl, M.; Fruehwirth, R.; Ghete, V. M.; Hrubec, J.; Jeitler, M.; Krammer, N.; Kraetschmer, I; Liko, D.; Madlener, T.; Mikulec, I; Rad, N.; Rohringer, H.; Schieck, J.; Schoefbeck, R.; Spanring, M.; Spitzbart, D.; Taurok, A.; Waltenberger, W.; Wittmann, J.; Wulz, C-E; Zarucki, M.; Chekhovsky, V; Mossolov, V; Gonzalez, J. Suarez; De Wolf, E. A.; Di Croce, D.; Janssen, X.; Lauwers, J.; Pieters, M.; Van Haevermaet, H.; Van Mechelen; P.; Van Remortel, N.; Abu Zeid, S.; Blekman, F.; D'Hondt, J.; De Clercq, J.; Deroover, K.; Flouris, G.; Lontkovskyi, D.; Lowette, S.; Marchesini, I; Moortgat, S.; Moreels, L.; Python, Q.; Skovpen, K.; Tavernier, S.; Van Doninck, W.; Van; Mulders, P.; Van Parijs, I; Beghin, D.; Bilin, B.; Brun, H.; Clerbaux, B.; De Lentdecker, G.; Delannoy, H.; Dorney, B.; Fasanella, G.; Favart, L.; Goldouzian, R.; Grebenyuk, A.; Kalsi, A. K.; Lenzi, T.; Luetic, J.; Postiau, N.; Starling, E.; Thomas, L.; Vander Velde, C.; Vanlaer, P.; Vannerom, D.; Wang, Q.; Cornelis, T.; Dobur, D.; Fagot, A.; Gul, M.; Khvastunov, I; Poyraz, D.; Roskas, C.; Trocino; D.; Tytgat, M.; Verbeke, W.; Vermassen, B.; Vit, M.; Zaganidis, N.; Bakhshiansohi, H.; Bondu, O.; Brochet, S.; Bruno, G.; Caputo, C.; David, P.; Delaere, C.; Delcourt, M.; Giammanco, A.; Krintiras, G.; Lemaitre, V; Magitteri, A.; Piotrzkowski, K.; Saggio, A.; Marono, M. Vidal; Wertz, S.; Zobec, J.; Alves, F. L.; Alves, G. A.; Correa Martins; Junior, M.; Correia Silva, G.; Hensel, C.; Moraes, A.; Pol; M. E.; Rebello Teles, P.; Belchior Batista Das Chagas, E.; Carvalho, W.; Chinellato, J.; Coelho, E.; Da Costa, E. M.; Da Silveira, G. G.; De Jesus Damiao, D.; De Oliveira Martins, C.; Fonseca De Souza, S.; Malbouisson, H.; Matos Figueiredo, D.; Melo De Almeida, M.; Mora Herrera, C.; Mundim, L.; Nogima; H.; Prado Da Silva, W. L.; Sanchez Rosas, L. J.; Santoro, A.; Sznajder, A.; Thiel, M.; Tonelli Manganote, E. J.; Torres; Da Silva De Araujo, F.; Vilela Pereira, A.; Ahuja, S.; Bernardes, C. A.; Calligaris, L.; Fernandez Perez Tomei, T. R.; Gregores, E. M.; Mercadante, P. G.; Novaes, S. F.; Padula; Sandra S.; Aleksandrov, A.; Hadjiiska, R.; Iaydjiev, P.; Marinov, A.; Misheva, M.; Rodozov, M.; Shopova, M.; Sultanov, G.; Dimitrov, A.; Litov, L.; Pavlov, B.; Petkov; P.; Fang, W.; Gao, X.; Yuan, L.; Ahmad, M.; Bian, J. G.; Chen, G. M.; Chen, H. S.; Chen, M.; Chen, Y.; Jiang, C.; H.; Leggat, D.; Liao, H.; Liu, Z.; Romeo, F.; Shaheen, S.; M.; Spiezia, A.; Tao, J.; Wang, Z.; Yazgan, E.; Zhang, H.; Zhang, S.; Zhao, J.; Ban, Y.; Chen, G.; Levin, A.; Li, J.; Li, L.; Li, Q.;

doi: 10.1103/physrevd.99.052002 , 10.18154/rwth-2020-09758 , 10.3204/pubdb-2019-02798 , 10.3204/pubdb-2018-05430 , 10.48550/arxiv.1811.01197 , 10.5445/ir/1000095380

arXiv: 1811.01197

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

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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 to a quark, and either an electron or a neutrino with branching fractions $\beta$ and 1$-\beta$, 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 $\beta =$ 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.

Physical review / D 99(5), 052002 (2019). doi:10.1103/PhysRevD.99.052002

Published by APS, College Park, MD

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United Kingdom, Italy, Italy, United States, Italy, Italy, Italy, Italy, Belgium, Germany, France, Brazil, Greece, Italy, Italy, Italy, Italy, Croatia, Poland, Italy, Italy, Italy, Italy, Germany, Italy, France, United States, France, Belgium, Belarus, Italy, Italy, Germany, United Kingdom, Spain, Belgium, Italy, Spain, United Kingdom, Germany, United States, Italy, Croatia, Italy, Turkey, Italy

Related Organizations

Peking University
China (People's Republic of)
Lawrence Berkeley National Laboratory
United States
Autonomous University of Madrid
Spain
Istanbul Technical University
Turkey
University of Trieste
Italy

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Keywords

squark: decay, transverse momentum: missing-energy, Physics and Astronomy (miscellaneous), 13000 GeV-cms, LHC; CMS; Physics, S056EGT, Physics, Particles & Fields, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Particle Physics Experiments, Collisions, info:eu-repo/classification/ddc/530, [Anahtar Kelime Yok], R parity: violation, CMS, Physics, ddc:530, leptoquark: scalar, 001, 320, final state: ((n)jet electron), CERN LHC Coll, CONSTRAINTS; COLLISIONS, Physical Sciences, Physique des particules élémentaires, PARTICLE PHYSICS, leptoquark: pair production, COLLISIONS, p p: scattering, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], Particles & Fields, FOS: Physical sciences, Fizik, Astronomy & Astrophysics, 530, 539, family: 1, S046STV, ЭБ БГУ::ЕСТЕСТВЕННЫЕ И ТОЧНЫЕ НАУКИ::Физика, Science & Technology, Physics; LHC; CMS, PARTICLE PHYSICS;LARGE HADRON COLLIDER;CMS, hep-ex, final state: ((n)jet dilepton), CONSTRAINTS, Física, high energy physics ; experimental particle physics ; LHC ; CMS ; standard model, jet: hadronic, LARGE HADRON COLLIDER, leptoquark: mass: lower limit, Constraints, stop: decay, Particle Physics; LHC; Leptoquarks; CMS, supersymmetry, leptoquark: branching ratio, p p: colliding beams, experimental results

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