Search for new phenomena in events with a photon and missing transverse momentum in √s = 8 TeV with the ATLAS detector
Results of a search for new phenomena in events with an energetic photon and large missing transverse momentum with the ATLAS experiment at the LHC are reported. Data were collected in proton-proton collisions at a center-of-mass energy of 8 TeV and correspond to an integrated luminosity of 20.3 fb...
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| Format: | Article |
| Language: | English |
| Published: |
American Physical Society,
2015-03-11T16:06:06Z.
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| Online Access: | Get fulltext |
| Summary: | Results of a search for new phenomena in events with an energetic photon and large missing transverse momentum with the ATLAS experiment at the LHC are reported. Data were collected in proton-proton collisions at a center-of-mass energy of 8 TeV and correspond to an integrated luminosity of 20.3 fb[superscript −1]. The observed data are well described by the expected Standard Model backgrounds. The expected (observed) upper limit on the fiducial cross section for the production of events with a photon and large missing transverse momentum is 6.1 (5.3) fb at 95% confidence level. Exclusion limits are presented on models of new phenomena with large extra spatial dimensions, supersymmetric quarks, and direct pair production of dark-matter candidates. European Organization for Nuclear Research United States. Dept. of Energy National Science Foundation (U.S.) Brookhaven National Laboratory |
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