Name: Search for neutral long-lived particles in pp collisions at $$ \sqrt{s} $$ = 13 TeV that decay into displaced hadronic jets in the ATLAS calorimeter
Keywords: Final state: ((n)jet), Kinematics, final state: ((n)jet), 13000 GeV-cms, Track data analysis: jet, 5106 Nuclear and Plasma Physics (for-2020), neutral particle: hadronic decay, QC770-798, Benchmark, Atomic

descriptionPublicationkeyboard_double_arrow_right Article , Research , Other literature type , Preprint 01 Jun 2022Embargo end date: 07 Jun 2022 English Publisher:Springer Science and Business Media LLCJournal:Journal of High Energy Physics, volume 2,022 (eissn: 1029-8479,

Authors: Aad, Georges; Abbott, Braden Keim; Abulaiti, Yiming; Arce, Ayana Tamu; Hansen, Jorgen Beck; Hansen, Dines; Hansen, Peter; +193 Authors

Aad, Georges; Abbott, Braden Keim; Abulaiti, Yiming; Arce, Ayana Tamu; Hansen, Jorgen Beck; Hansen, Dines; Hansen, Peter; Hara, Kazuhiko; Harada, Daigo; Harenberg, Torsten; Harkusha, Siarhei; Harris, Ynyr; Harrison, Paul Fraser; Hartman, Nicole Michelle; Arena, Eloisa; Hartmann, Nikolai; Hasegawa, Yoji; Hasib, Ahmed; Haug, Sigve; Hauser, Reiner; Havranek, Miroslav; Hawkes, Chris; Hawkings, Richard; Hayashida, Shota; Hayden, Daniel; Arguin, Jean-Francois; Hayes, Christopher Robyn; Hayes, Robin; Hays, Chris; Hays, Jonathan; Hayward, Helen; He, Fudong; He, Yunjian; He, Yajun; Heath, Matthew Peter; Hedberg, Vincent; Argyropoulos, Spyros; Heggelund, Andreas Lokken; Hehir, Natasha; Heidegger, Constantin; Heidegger, Kim Katrin; Heidorn, William Dale; Heilman, Jesse Alan; Heim, Sarah; Heim, Timon; Heinemann, Beate; Heinlein, James Geddy; Arling, Jan-Hendrik; Heinrich, Jochen Jens; Heinrich, Lukas Alexander; Hejbal, Jiri; Helary, Louis; Held, Alexander; Helling, Cole Michael; Hellman, Sten; Helsens, Clement; Henderson, R. C. W.; Henkelmann, Lars; Armbruster, Aaron James; Henriques Correia, Ana Maria; Herde, Hannah Elizabeth; Hernandez Jimenez, Yesenia; Herr, Holger Arnold; Herrmann, Maximilian Georg; Herrmann, Tim; Herten, Gregor; Hertenberger, Ralf; Hervas, Luis; Hessey, Nigel; Arnaez, Olivier; Hibi, Hiroaki; Higon-Rodriguez, Emilio; Hillier, Stephen; Hinchliffe, Ian; Hinterkeuser, Florian; Hirose, Minoru; Hirose, Shigeki; Hirschbuehl, Dominic; Hiti, Bojan; Hladik, Ondrej; Arnold, Hannah; Hobbs, John David; Hobincu, Radu; Tal Hod, Noam; Hodgkinson, Mark; Hodkinson, Benjamin Haslum; Hoecker, Andreas; Hofer, Judith; Hohn, David; Holm, Tanja; Holzbock, Michael; Arrubarrena Tame, Zulit Paola; Hommels, L. B. A. H.; Honan, Benjamin Paul; Hong, Jiangliu; Hong, Tae Min; Hong, Yanwen; Honig, Jan Cedric; Honle, Andreas; Hooberman, Benjamin Henry; Hopkins, Walter; Horii, Yasuyuki; Artoni, Giacomo; Horyn, Lesya Anna; Hou, Suen; Howarth, James William; Hoya, Joaquin; Hrabovsky, Miroslav; Hrynevich, Aliaksei; Hryn’ova, T.; Hrynova, Tetiana; Hsu, Pai-Hsien; Hsu, Shih-Chieh; Abusleme, Angel; Asada, Haruka; Hu, Qipeng; Hu, Shuyang; Hu, Yifan; Huang, Danping; Huang, Xiaozhong; Huang, Yicong; Huang, Yanping; Hubacek, Zdenek; Hubner, Michael; Huegging, Fabian; Asai, Kanae; Huffman, Todd Brian; Huhtinen, Mika; Huiberts, Simon Kristian; Hulsken, Raphael Alain; Huseynov, Nazim; Huston, Joey; Huth, John; Hyneman, Rachel Jordan; Hyrych, Sofiia; Iacobucci, Giuseppe; Asai, Shoji; Iakovidis, George; Ibragimov, Iskander; Iconomidou-Fayard, Lydia; Iengo, Paolo; Iguchi, Ryunosuke; Iizawa, Tomoya; Ikegami, Yoichi; Ilg, Armin; Ilic, Nikolina; Imam, Hajar; Asbah, Nedaa Alexandra; Ingebretsen Carlson, Tom; Introzzi, Gianluca; Iodice, Mauro; Ippolito, Valerio; Ishino, Masaya; Islam, Wasikul; Issever, Cigdem; Istin, Serhat; Ito, Hiroki; Iturbe Ponce, J. M.; Asimakopoulou, Eleni Myrto; Iuppa, Roberto; Ivina, Anna; Izen, Joseph Michael; Izzo, Vincenzo; Jacka, Petr; Jackson, Paul; Jacobs, Ruth Magdalena; Jaeger, Benjamin Paul; Jagfeld, Christoph; Jakel, Gunnar; Assahsah, Jihad; Jakobs, Karl; Jakoubek, Tomas; Jamieson, Jonathan; Janas, Krzysztof; Jarlskog, Goran; Jaspan, Adam Elliott; Javurek, Tomas; Javurkova, Martina; Jeanneau, Fabien; Jeanty, Laura; Assamagan, Ketevi Adikle; Jejelava, Juansher; Jenni, Peter; Jezequel, Stephane; Jia, Jiangyong; Jia, Xiaohe; Jia, Zihang; Jiang, Yi; Jiggins, Stephen; Jimenez Pena, Javier; Jin, Shan; Astalos, Robert; Jinaru, Adam; Jinnouchi, Osamu; Jivan, Harshna; Johansson, Per Daniel Conny; Johns, Kenneth; Johnson, Christian; Jones, Dominic; Jones, Eleanor;

doi: 10.1007/jhep06(2022)005 , 10.3204/pubdb-2022-05133 , 10.17863/cam.85202 , 10.48550/arxiv.2203.01009 , 10.3204/pubdb-2022-01906 , 10.7302/5137 , 10.14288/1.0419953 , 10.17863/cam.94934

arXiv: 2203.01009

Search for neutral long-lived particles in pp collisions at $$ \sqrt{s} $$ = 13 TeV that decay into displaced hadronic jets in the ATLAS calorimeter

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Abstract

Abstract A search for decays of pair-produced neutral long-lived particles (LLPs) is presented using 139 fb−1 of proton-proton collision data collected by the ATLAS detector at the LHC in 2015–2018 at a centre-of-mass energy of 13 TeV. Dedicated techniques were developed for the reconstruction of displaced jets produced by LLPs decaying hadronically in the ATLAS hadronic calorimeter. Two search regions are defined for different LLP kinematic regimes. The observed numbers of events are consistent with the expected background, and limits for several benchmark signals are determined. For a SM Higgs boson with a mass of 125 GeV, branching ratios above 10% are excluded at 95% confidence level for values of c times LLP mean proper lifetime in the range between 20 mm and 10 m depending on the model. Upper limits are also set on the cross-section times branching ratio for scalars with a mass of 60 GeV and for masses between 200 GeV and 1 TeV.

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Keywords

Final state: ((n)jet), Kinematics, final state: ((n)jet), 13000 GeV-cms, Track data analysis: jet, 5106 Nuclear and Plasma Physics (for-2020), neutral particle: hadronic decay, QC770-798, Benchmark, Atomic, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), Particle and Plasma Physics, Calorimeter: hadronic, benchmark, 4902 Mathematical physics (for-2020), neutral particle: pair production, calorimeter: hadronic, Interacciones de Hadron, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], neutral particle: long-lived, 5107 Particle and high energy physics (for-2020), info:eu-repo/classification/ddc/530, протон-протонные столкновения, Mathematical Physics, 5107 Particle and High Energy Physics (for-2020), hadron-hadron scattering, QC, Quantum Physics, 51 Physical Sciences (for-2020), Data analysis method, Particle and High Energy Physics, 0206 Quantum Physics (for), Channel cross section: branching ratio: upper limit, ATLAS, Nuclear and Plasma Physics, Nuclear & Particles Physics, 520, mass dependence, Settore FIS/01 - FISICA SPERIMENTALE, channel cross section: branching ratio: upper limit, P p: scattering, CERN LHC Coll, Higgs particle: mass, kinematics, track data analysis: jet, Physical Sciences, Mass dependence, Neutral particle: pair production, 51 Physical Sciences, 5107 Particle and High Energy Physics, p p: scattering, track data analysis: vertex, data analysis method, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], Track data analysis: vertex, Particle and Plasma Physics (for), FOS: Physical sciences, LHC, ATLAS, High Energy Physics, -, 5106 Nuclear and plasma physics (for-2020), 530, Neutral particle: hadronic decay, Neutral particle: long-lived, Nuclear and particle physics. Atomic energy. Radioactivity, 539, 0105 Mathematical Physics (for), Nuclear, Experimental results, High Energy Physics, ЭБ БГУ::ЕСТЕСТВЕННЫЕ И ТОЧНЫЕ НАУКИ::Физика, Hadron-Hadron Scattering, hep-ex, background, Matemática física y química, P p: colliding beams, 500, Molecular, Nuclear & Particles Physics (science-metrix), Jet: hadronic, jet: hadronic, HIGGS, Background, нейтральные частицы, Hadron-hadron scattering; hadron; scattering, 0202 Atomic, Neutral particle: lifetime, адронные струи, 5106 Nuclear and Plasma Physics, ATLAS, детектор, p p: colliding beams, neutral particle: lifetime, 500.2, experimental results

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Search for neutral long-lived particles in pp collisions at $$ \sqrt{s} $$ = 13 TeV that decay into displaced hadronic jets in the ATLAS calorimeter

Search for neutral long-lived particles in pp collisions at $$ \sqrt{s} $$ = 13 TeV that decay into displaced hadronic jets in the ATLAS calorimeter

36 Research products, page 1 of 4

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