Search for long-lived particles decaying into displaced jets in proton-proton collisions at  s=13  TeV

descriptionPublicationkeyboard_double_arrow_right Article , Report , Other literature type , Research , Preprint 21 Feb 2019Embargo end date: 01 Jan 2018 Belarus, Italy, Switzerland, Italy, Italy, United States, Belgium, Greece, Croatia, France, Italy, Italy, Italy, Italy, Turkey, France, Croatia, Belgium, Italy, Italy, Italy, Brazil, United Kingdom, Italy, Italy, Germany, United Kingdom, Spain, Spain, Italy, France, Italy, Italy, Italy, Italy, United States, Germany, Germany, Italy, Italy, United Kingdom, Italy, Belgium, Germany, United States, Italy English Publisher:American Physical Society (APS)Journal:Physical Review D, volume 99 (issn: 2470-0010, eissn: 2470-0029,

Copyright policy )Funded by:EC | AMVA4NewPhysics, DFG | unidentified

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.; 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.; Lelek, A.; 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.; 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; Vischia, P.; Wertz, S.; Zobec, J.; Alves, F. L.; Alves, G. A.; 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.; Shaheen, S. M.; Spiezia, A.; Tao; J.; Yazgan, E.; Zhang, H.; Zhang, S.; Zhao, J.; Ban, Y.; Chen, G.; Levin, A.; Li, J.; Li, L.;

doi: 10.1103/physrevd.99.032011 , 10.3204/pubdb-2019-02793 , 10.18154/rwth-2019-02672 , 10.48550/arxiv.1811.07991 , 10.5445/ir/1000095068 , 10.5167/uzh-180041 , 10.3204/pubdb-2018-05424

arXiv: 1811.07991

Search for long-lived particles decaying into displaced jets in proton-proton collisions at s=13 TeV

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Abstract

A search for long-lived particles decaying into jets is presented. Data were collected with the CMS detector at the LHC from proton-proton collisions at a center-of-mass energy of 13 TeV in 2016, corresponding to an integrated luminosity of 35.9 fb$^{-1}$. The search examines the distinctive topology of displaced tracks and secondary vertices. The selected events are found to be consistent with standard model predictions. For a simplified model in which long-lived neutral particles are pair produced and decay to two jets, pair production cross sections larger than 0.2 fb are excluded at 95% confidence level for a long-lived particle mass larger than 1000 GeV and proper decay lengths between 3 and 130 mm. Several supersymmetry models with gauge-mediated supersymmetry breaking or $R$-parity violation, where pair-produced long-lived gluinos or top squarks decay to several final-state topologies containing displaced jets, are also tested. For these models, in the mass ranges above 200 GeV, gluino masses up to 2300-2400 GeV and top squark masses up to 1350-1600 GeV are excluded for proper decay lengths approximately between 10 and 100 mm. These are the most restrictive limits to date on these models.

Physical review / D 99(3), 032011 (2019). doi:10.1103/PhysRevD.99.032011

Published by APS, College Park, MD

Countries

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

Related Organizations

Institute of Nuclear physics of Lyon
France
Université Libre de Bruxelles
Belgium
University of Genoa
Italy
University College London
United Kingdom
Ghent University
Belgium

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Keywords

squark: decay, 13000 GeV-cms, LHC; CMS; Physics, gluino: pair production, channel cross section: upper limit, Physics, Particles & Fields, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], neutral particle: long-lived, Particle Physics Experiments, squark: pair production, Particle Physics; LHC; Long-Lived Particles; Displaced jets; RPV Supersymmetry; CMS, info:eu-repo/classification/ddc/530, SUPERSYMMETRY, supersymmetry: symmetry breaking, Hadron colliders, Hypothetical particles, [Anahtar Kelime Yok], R parity: violation, squark: hadronic decay, CMS, Physics, ddc:530, S015XL, 001, 320, 520, mass dependence, gluino: mass, CERN LHC Coll, Physical Sciences, Physical Systems Hypothetical particles Techniques Hadron colliders Particles & Fields, Physique des particules élémentaires, PARTICLE PHYSICS, gluino: long-lived, Gluino Production, S046LGN, up: mass, CMS, long lived, p p: scattering, topology, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], 530 Physics, Particles & Fields, squark: mass, FOS: Physical sciences, 10192 Physics Institute, Fizik, Astronomy & Astrophysics, 530, GLUINO PRODUCTION, SQUARK, SUPERSYMMETRY, HIGGS., 3101 Physics and Astronomy (miscellaneous), GLUINO PRODUCTION, ЭБ БГУ::ЕСТЕСТВЕННЫЕ И ТОЧНЫЕ НАУКИ::Физика, Science & Technology, PARTICLE PHYSICS;LARGE HADRON COLLIDER;CMS, Squark, hep-ex, decay: length, Física, high energy physics ; experimental particle physics ; LHC ; CMS ; standard model, LARGE HADRON COLLIDER, tracks, HIGGS, squark: mass: lower limit, pair production, vertex: secondary, Supersymmetry, SQUARK, particle: long-lived, Physics - LHC - CMS, p p: colliding beams, gluino: mass: lower limit, GLUINO PRODUCTION; SQUARK; SUPERSYMMETRY; HIGGS, S046SSQ, Higgs, experimental results

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