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Search for new phenomena in events with a photon and missing transverse momentum in pp collisions at s=13 TeV with the ATLAS detector
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ATLAS Collaboration (Including: Beckingham, M., Ennis, Joseph Stanford, Farrington, Sinead, Harrison, P. F., Jeske, C., Jones, G. (Graham), Martin, T. A., Murray, W., Pianori, E. and Spangenberg, Martin). (2016) Search for new phenomena in events with a photon and missing transverse momentum in pp collisions at s=13 TeV with the ATLAS detector. Journal of High Energy Physics, 2016 (6). p. 59. doi:10.1007/jhep06(2016)059
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Official URL: https://doi.org/10.1007/jhep06(2016)059
Abstract
Results of a search for new phenomena in events with an energetic photon and large missing transverse momentum with the ATLAS experiment at the Large Hadron Collider are reported. The data were collected in proton-proton collisions at a centre-of-mass energy of 13 TeV and correspond to an integrated luminosity of 3.2 fb−1. The observed data are in agreement with the Standard Model expectations. Exclusion limits are presented in models of new phenomena including pair production of dark matter candidates or large extra spatial dimensions. In a simplified model of dark matter and an axial-vector mediator, the search excludes mediator masses below 710 GeV for dark matter candidate masses below 150 GeV. In an effective theory of dark matter production, values of the suppression scale M∗ up to 570 GeV are excluded and the effect of truncation for various coupling values is reported. For the ADD large extra spatial dimension model the search places more stringent limits than earlier searches in the same event topology, excluding MD up to about 2.3 (2.8) TeV for two (six) additional spatial dimensions; the limits are reduced by 20-40% depending on the number of additional spatial dimensions when applying a truncation procedure.
| Item Type: | Journal Article | ||||||
|---|---|---|---|---|---|---|---|
| Divisions: | Faculty of Science > Physics | ||||||
| SWORD Depositor: | Library Publications Router | ||||||
| Journal or Publication Title: | Journal of High Energy Physics | ||||||
| Publisher: | Springer Berlin Heidelberg | ||||||
| ISSN: | 1029-8479 | ||||||
| Official Date: | 9 June 2016 | ||||||
| Dates: |
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| Volume: | 2016 | ||||||
| Number: | 6 | ||||||
| Page Range: | p. 59 | ||||||
| DOI: | 10.1007/jhep06(2016)059 | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Publisher Statement: | |||||||
| Access rights to Published version: | Open Access |
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