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Search for supersymmetry using Higgs boson to diphoton decays at √s = 13 TeV

  • Author(s): Sirunyan, AM
  • Tumasyan, A
  • Adam, W
  • Ambrogi, F
  • Bergauer, T
  • Brandstetter, J
  • Dragicevic, M
  • Erö, J
  • Escalante Del Valle, A
  • Flechl, M
  • Frühwirth, R
  • Jeitler, M
  • Krammer, N
  • Krätschmer, I
  • Liko, D
  • Madlener, T
  • Mikulec, I
  • Rad, N
  • Schieck, J
  • Schöfbeck, R
  • Spanring, M
  • Spitzbart, D
  • Waltenberger, W
  • Wulz, CE
  • Zarucki, M
  • Drugakov, V
  • Mossolov, V
  • Suarez Gonzalez, J
  • Darwish, MR
  • De Wolf, EA
  • Di Croce, D
  • Janssen, X
  • Lelek, A
  • Pieters, M
  • Rejeb Sfar, H
  • Van Haevermaet, H
  • Van Mechelen, P
  • Van Putte, S
  • Van Remortel, N
  • Blekman, F
  • Bols, ES
  • Chhibra, SS
  • D’Hondt, J
  • De Clercq, J
  • Lontkovskyi, D
  • Lowette, S
  • Marchesini, I
  • Moortgat, S
  • Python, Q
  • Skovpen, K
  • Tavernier, S
  • Van Doninck, W
  • Van Mulders, P
  • Beghin, D
  • Bilin, B
  • Brun, H
  • Clerbaux, B
  • De Lentdecker, G
  • Delannoy, H
  • Dorney, B
  • Favart, L
  • Grebenyuk, A
  • Kalsi, AK
  • Popov, A
  • Postiau, N
  • Starling, E
  • Thomas, L
  • Vander Velde, C
  • Vanlaer, P
  • Vannerom, D
  • Cornelis, T
  • Dobur, D
  • Khvastunov, I
  • Niedziela, M
  • Roskas, C
  • Trocino, D
  • Tytgat, M
  • Verbeke, W
  • Vermassen, B
  • Vit, M
  • Zaganidis, N
  • Bondu, O
  • Bruno, G
  • Caputo, C
  • David, P
  • Delaere, C
  • Delcourt, M
  • Giammanco, A
  • Lemaitre, V
  • Magitteri, A
  • Prisciandaro, J
  • Saggio, A
  • Vidal Marono, M
  • Vischia, P
  • Zobec, J
  • Alves, FL
  • Alves, GA
  • Correia Silva, G
  • Hensel, C
  • Moraes, A
  • et al.
Abstract

© 2019, The Author(s). A search for supersymmetry (SUSY) is presented where at least one Higgs boson is produced and decays to two photons in the decay chains of pair-produced SUSY particles. Two analysis strategies are pursued: one focused on strong SUSY production and the other focused on electroweak SUSY production. The presence of charged leptons, additional Higgs boson candidates, and various kinematic variables are used to categorize events into search regions that are sensitive to different SUSY scenarios. The results are based on data from proton-proton collisions at the Large Hadron Collider at a center-of-mass energy of 13 TeV collected by the CMS experiment, corresponding to an integrated luminosity of 77.5 fb−1. No statistically significant excess of events is observed relative to the standard model expectations. We exclude bottom squark pair production for bottom squark masses below 530 GeV and a lightest neutralino mass of 1 GeV; wino-like chargino-neutralino production in gauge-mediated SUSY breaking (GMSB) for chargino and neutralino masses below 235 GeV with a gravitino mass of 1 GeV; and higgsino-like chargino-neutralino production in GMSB, where the neutralino decays exclusively to a Higgs boson and a gravitino for neutralino masses below 290 GeV. [Figure not available: see fulltext.]

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