# Search for supersymmetry with photons in pp collisions at $\sqrt{s}$ = 8 TeV

CMS Collaboration; Khachatryan, V; Sirunyan, A M; Tumasyan, A; Aarrestad, T K; Amsler, C; Canelli, F; Chiochia, V; De Cosa, A; Galloni, C; Hinzmann, A; Hreus, T; Kilminster, B; Lange, C; Ngadiuba, J; Pinna, D; Robmann, P; Ronga, F J; Salerno, D; Taroni, S; Yang, Y; et al (2015). Search for supersymmetry with photons in pp collisions at $\sqrt{s}$ = 8 TeV. Physical Review D (Particles, Fields, Gravitation and Cosmology), 92:072006.

## Abstract

Two searches for physics beyond the standard model in events containing photons are presented. The data sample used corresponds to an integrated luminosity of 19.7  $fb^{−1}$ of proton-proton collisions at $\sqrt{s}$ = 8 TeV, collected with the CMS experiment at the CERN LHC. The analyses pursue different inclusive search strategies. One analysis requires at least one photon, at least two jets, and a large amount of transverse momentum imbalance, while the other selects events with at least two photons and at least one jet, and uses the razor variables to search for signal events. The background expected from standard model processes is evaluated mainly from data. The results are interpreted in the context of general gauge-mediated supersymmetry, with the next-to-lightest supersymmetric particle either a bino- or wino-like neutralino, and within simplified model scenarios. Upper limits at the 95% confidence level are obtained for cross sections as functions of the masses of the intermediate supersymmetric particles.

Two searches for physics beyond the standard model in events containing photons are presented. The data sample used corresponds to an integrated luminosity of 19.7  $fb^{−1}$ of proton-proton collisions at $\sqrt{s}$ = 8 TeV, collected with the CMS experiment at the CERN LHC. The analyses pursue different inclusive search strategies. One analysis requires at least one photon, at least two jets, and a large amount of transverse momentum imbalance, while the other selects events with at least two photons and at least one jet, and uses the razor variables to search for signal events. The background expected from standard model processes is evaluated mainly from data. The results are interpreted in the context of general gauge-mediated supersymmetry, with the next-to-lightest supersymmetric particle either a bino- or wino-like neutralino, and within simplified model scenarios. Upper limits at the 95% confidence level are obtained for cross sections as functions of the masses of the intermediate supersymmetric particles.

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Item Type: Journal Article, refereed, original work 07 Faculty of Science > Physics Institute 530 Physics English 19 February 2015 18 Feb 2016 13:15 05 Apr 2016 20:09 American Physical Society 1550-7998 https://doi.org/10.1103/PhysRevD.92.072006 arXiv:1507.02898v2
Permanent URL: https://doi.org/10.5167/uzh-122855

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