Research output: Contribution to journal › Article › peer-review
Search for long-lived particles decaying into displaced jets in proton-proton collisions at s =13 TeV. / The CMS collaboration ; Блинов, Владимир Евгеньевич; Димова, Татьяна Владимировна et al.
In: Physical Review D, Vol. 99, No. 3, 032011, 21.02.2019.Research output: Contribution to journal › Article › peer-review
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TY - JOUR
T1 - Search for long-lived particles decaying into displaced jets in proton-proton collisions at s =13 TeV
AU - The CMS collaboration
AU - Sirunyan, A. M.
AU - Tumasyan, A.
AU - Adam, W.
AU - Ambrogi, F.
AU - Asilar, E.
AU - Bergauer, T.
AU - Brandstetter, J.
AU - Dragicevic, M.
AU - Erö, J.
AU - Escalante Del Valle, A.
AU - Flechl, M.
AU - Frühwirth, R.
AU - Ghete, V. M.
AU - Hrubec, J.
AU - Jeitler, M.
AU - Krammer, N.
AU - Krätschmer, I.
AU - Liko, D.
AU - Madlener, T.
AU - Mikulec, I.
AU - Rad, N.
AU - Rohringer, H.
AU - Schieck, J.
AU - Schöfbeck, R.
AU - Spanring, M.
AU - Spitzbart, D.
AU - Waltenberger, W.
AU - Wittmann, J.
AU - Wulz, C. E.
AU - Zarucki, M.
AU - Chekhovsky, V.
AU - Mossolov, V.
AU - Suarez Gonzalez, J.
AU - De Wolf, E. A.
AU - Di Croce, D.
AU - Janssen, X.
AU - Lauwers, J.
AU - Lelek, A.
AU - Pieters, M.
AU - Van Haevermaet, H.
AU - Van Mechelen, P.
AU - Van Remortel, N.
AU - Abu Zeid, S.
AU - Blekman, F.
AU - D'Hondt, J.
AU - De Clercq, J.
AU - Deroover, K.
AU - Flouris, G.
AU - Lontkovskyi, D.
AU - Barnyakov, A.
AU - Блинов, Владимир Евгеньевич
AU - Димова, Татьяна Владимировна
AU - Кардапольцев, Леонид Васильевич
AU - Сковпень, Юрий Иванович
N1 - Publisher Copyright: © 2019 CERN., for the CMS Collaboration. Published by the American Physical Society under the terms of the https://creativecommons.org/licenses/by/4.0/ Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP .
PY - 2019/2/21
Y1 - 2019/2/21
N2 - 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.
AB - 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.
KW - GLUINO PRODUCTION
KW - SQUARK
KW - SUPERSYMMETRY
KW - HIGGS
UR - http://www.scopus.com/inward/record.url?scp=85062611662&partnerID=8YFLogxK
U2 - 10.1103/PhysRevD.99.032011
DO - 10.1103/PhysRevD.99.032011
M3 - Article
AN - SCOPUS:85062611662
VL - 99
JO - Physical Review D
JF - Physical Review D
SN - 2470-0010
IS - 3
M1 - 032011
ER -
ID: 18798564