Search for dark matter produced in association with a single top quark or a top quark pair in proton-proton collisions at $$ \sqrt{s}=13 $$ TeV

descriptionPublicationkeyboard_double_arrow_right Article , Research , Other literature type , Report , Preprint 01 Mar 2019Embargo end date: 01 Jan 2019 Spain, Italy, Italy, France, Belgium, Italy, Italy, Italy, United Kingdom, Brazil, Finland, United Kingdom, India, Germany, United States, Italy, Belgium, Switzerland, Belgium, Germany, Italy, Italy, Italy, United Kingdom, Greece, Belarus, Croatia, France, Italy, Spain, Italy, Croatia, Turkey, France, Italy, Italy, Poland, Italy, United States, Italy, Germany, Italy, Italy, Italy, Italy, Germany English Publisher:Springer Science and Business Media LLCJournal:Journal of High Energy Physics, volume 2,019 (eissn: 1029-8479,

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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.; Martins Junior; M. Correa; 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.;

doi: 10.1007/jhep03(2019)141 , 10.3204/pubdb-2019-00283 , 10.48550/arxiv.1901.01553 , 10.18154/rwth-2019-03985 , 10.5167/uzh-180050 , 10.5445/ir/1000095071 , 10.3204/pubdb-2019-02111

arXiv: 1901.01553

Search for dark matter produced in association with a single top quark or a top quark pair in proton-proton collisions at $$ \sqrt{s}=13 $$ TeV

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Abstract

Abstract A search for dark matter produced in association with top quarks in proton-proton collisions at a center-of-mass energy of 13 TeV is presented. The data set used corresponds to an integrated luminosity of 35.9 fb−1 recorded with the CMS detector at the LHC. Whereas previous searches for neutral scalar or pseudoscalar mediators considered dark matter production in association with a top quark pair only, this analysis also includes production modes with a single top quark. The results are derived from the combination of multiple selection categories that are defined to target either the single top quark or the top quark pair signature. No significant deviations with respect to the standard model predictions are observed. The results are interpreted in the context of a simplified model in which a scalar or pseudoscalar mediator particle couples to a top quark and subsequently decays into dark matter particles. Scalar and pseudoscalar mediator particles with masses below 290 and 300 GeV, respectively, are excluded at 95% confidence level, assuming a dark matter particle mass of 1 GeV and mediator couplings to fermions and dark matter particles equal to unity.

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

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Northwestern University
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Keywords

13000 GeV-cms, top: single production, optical detector readout concepts, coupling: scalar, channel cross section: upper limit, Physics, Particles & Fields, high energy physics, high energy physics ; experimental particle physics ; LHC ; CMS ; physics ; beyond two generations ; excited top quark ; hadron-hadron scattering (experiments) ; supersymmetry ; beyond standard model ; lepton production ; data acquisition concepts ; detector control systems (detector and experiment monitoring and slow-control systems, architecture, hardware, algorithms, databases) ; modular electronics ; optical detector readout concepts ; particle physics experiments ; data ; Higgs ; muon, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), Hadron-Hadron scattering (experiments), [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Dark Matter, hardware, Top physic, info:eu-repo/classification/ddc/530, S030DMP, 02 Physical Sciences, CMS, Physics, ddc:530, hadron-hadron scattering (experiments), Top Physics, 320, dark matter; hadron-hadron scattering (experiments); top physics, Nuclear & Particles Physics, 520, Dark matter; Hadron-Hadron scattering (experiments); Top physics;, Physical sciences, Hadron-Hadron Scattering (Experiments), CERN LHC Coll, data, Top physics, category, Physical Sciences, modular electronics, Physique des particules élémentaires, Centre for High Energy Physics, detector control systems (detector and experiment monitoring and slow-control systems, PARTICLE PHYSICS, LHC, databases), top: pair production, physics, beyond standard model, signature, p p: scattering, architecture, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], 530 Physics, mass: lower limit, Particles & Fields, FOS: Physical sciences, 10192 Physics Institute, algorithms, 530, lepton production, beyond two generations, muon, Dark matter; Hadron-Hadron scattering (experiments); Top physics, dark matter: associated production, Dark matter, fermion: dark matter, 3106 Nuclear and High Energy Physics, coupling: pseudoscalar, ЭБ БГУ::ЕСТЕСТВЕННЫЕ И ТОЧНЫЕ НАУКИ::Физика, data acquisition concepts, 01 Mathematical Sciences, experimental particle physics, Science & Technology, PARTICLE PHYSICS;LARGE HADRON COLLIDER;CMS, hep-ex, dark matter: mass, Física, LARGE HADRON COLLIDER, dark matter: mediation, particle physics experiments, excited top quark, supersymmetry, Physics, LHC, CMS, Dark Matter, p p: colliding beams, Higgs, experimental results

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