Search for physics beyond the standard model in high-mass diphoton events from proton-proton collisions at $\sqrt{s} =$ 13 TeV

descriptionPublicationkeyboard_double_arrow_right Research , Article , Report , Preprint 01 Jan 2018Embargo end date: 01 Jan 2018 France, Italy, United Kingdom, Greece, Germany, Germany, Germany, France, Brazil, Belgium, United Kingdom, France, Germany, Belgium English Publisher:Deutsches Elektronen-Synchrotron, DESY, HamburgJournal:Physical ReviewFunded by:EC | AMVA4NewPhysics

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 Bruyn, I; 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.; Francois, B.; Giammanco, A.; Krintiras, G.; Lemaitre, V; Magitteri, A.; Mertens, A.; Musich, M.; 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, C.; Wang, Z.; Yazgan, E.; Zhang, H.; Zhang, S.; Zhao, J.; Ban, Y.;

doi: 10.3204/pubdb-2018-03632 , 10.18154/rwth-2018-231333 , 10.5445/ir/1000087633 , 10.48550/arxiv.1809.00327 , 10.3204/pubdb-2018-04456

arXiv: 1809.00327

Search for physics beyond the standard model in high-mass diphoton events from proton-proton collisions at $\sqrt{s} =$ 13 TeV

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Abstract

A search for physics beyond the standard model is performed using a sample of high-mass diphoton events produced in proton-proton collisions at root s = 13 TeV. The data sample was collected in 2016 with the CMS detector at the LHC and corresponds to an integrated luminosity of 35.9 fb(-1). The search is performed for both resonant and nonresonant new physics signatures. At 95% confidence level, lower limits on the mass of the first Kaluza-Klein excitation of the graviton in the Randall-Sundrum warped extradimensional model are determined to be in the range of 2.3 to 4.6 TeV, for values of the associated coupling parameter between 0.01 and 0.2. Lower limits on the production of scalar resonances and modelindependent cross section upper limits are also provided. For the large extra-dimensional model of Arkani-amed, Dimopoulos, and Dvali, lower limits are set on the string mass scale M-S ranging from 5.6 to 9.7 TeV, depending on the model parameters. The first exclusion limits are set in the two-dimensional parameter space of a continuum clockwork model.

Programa Estatal de Fomento de la Investigacion Cientifica y Tecnica de Excelencia Maria de Maeztu: MDM-2015-0509

Programa Estatal de Fomento de la Investigacion Cientifica y Tecnica de Excelencia Maria de Maeztu

Fonds pour la Formation a la Recherche dans l'Industrie et dans l'Agriculture (FRIA-Belgium)

Chulalongkorn Academic into Its 2nd Century Project Advancement Project (Thailand)

Rachadapisek Sompot Fund for Postdoctoral Fellowship, Chulalongkorn University

Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium)

Mobility Plus program of the Ministry of Science and Higher Education

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

Ministry of Education, Youth and Sports (MEYS) of the Czech Republic

Countries

France, Italy, United Kingdom, Greece, Germany, Germany, Germany, France, Brazil, Belgium, United Kingdom, France, Germany, Belgium

Related Organizations

University of Genoa
Italy
University of Milano-Bicocca
Italy
Helmholtz Association of German Research Centres
Germany
RWTH Aachen University
Germany
University of Padua
Italy

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Keywords

Physics and Astronomy (miscellaneous), new physics: signature, 13000 GeV-cms, Gravitons Hadron colliders Particles & Fields, channel cross section: upper limit, Physics, Particles & Fields, High Energy Physics - Experiment, Physics, LHC, CMS, BSM, High Energy Physics - Experiment (hep-ex), [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Randall-Sundrum model, Particle Physics Experiments, EXTRA DIMENSIONS, info:eu-repo/classification/ddc/530, dimension: 2, SUPERSYMMETRY, High Energy Physics - Experiment; High Energy Physics - Experiment; Physics and Astronomy (miscellaneous), CMS, Physics, ddc:530, excited state: Kaluza-Klein, string: mass, S015CS, HIERARCHY, CERN LHC Coll, model: higher-dimensional, Physical Sciences, LHC, photon: pair production, p p: scattering, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], mass: lower limit, Particles & Fields, FOS: Physical sciences, Astronomy & Astrophysics, 530, FISICA DELLE PARTICELLE, PARTICLE PHYSICS, mass: scale, 539, S055H2O, MILLIMETER, space-time: higher-dimensional, Science & Technology, S071GEX, hep-ex, 500, 028, hadron-hadron scattering (experiments); beyond standard model; diphoton mass; cms lhc, gravitation, PARTON DISTRIBUTIONS, S071RSG, graviton: excited state, resonance: scalar, space-time: warped, p p: colliding beams, mass spectrum: two-photon, PARTON DISTRIBUTIONS; EXTRA DIMENSIONS; SUPERSYMMETRY; MILLIMETER; HIERARCHY; LHC, experimental results

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