Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/115223
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Type: | Journal article |
Title: | Search for dark matter at √s = 13 TeV in final states containing an energetic photon and large missing transverse momentum with the ATLAS detector |
Other Titles: | Search for dark matter at root s = 13 TeV in final states containing an energetic photon and large missing transverse momentum with the ATLAS detector |
Author: | Aaboud, M. Aad, G. Abbott, B. Abdallah, J. Abdinov, O. Abeloos, B. Abidi, S. AbouZeid, O. Abraham, N. Abramowicz, H. Abreu, H. Abreu, R. Abulaiti, Y. Acharya, B. Adachi, S. Adamczyk, L. Adelman, J. Adersberger, M. Adye, T. Affolder, A. et al. |
Citation: | European Physical Journal C: Particles and Fields, 2017; 77(6):393-1-393-30 |
Publisher: | Springer |
Issue Date: | 2017 |
ISSN: | 1434-6044 1434-6052 |
Statement of Responsibility: | M. Aaboud ... P. Jackson ... L. Lee ... Petridis ... M.J.. White ... [et al.] (The ATLAS Collaboration) |
Abstract: | Results of a search for physics beyond the Standard Model in events containing an energetic photon and large missing transverse momentum with the ATLAS detector at the Large Hadron Collider are reported. As the number of events observed in data, corresponding to an integrated luminosity of 36.1 fb⁻¹ of proton–proton collisions at a centre-of-mass energy of 13 TeV, is in agreement with the Standard Model expectations, model-independent limits are set on the fiducial cross section for the production of events in this final state. Exclusion limits are also placed in models where dark-matter candidates are pair-produced. For dark-matter production via an axial-vector or a vector mediator in the s-channel, this search excludes mediator masses below 750–1200 GeV for dark-matter candidate masses below 230–480 GeV at 95% confidence level, depending on the couplings. In an effective theory of dark-matter production, the limits restrict the value of the suppression scale M∗ to be above 790 GeV at 95% confidence level. A limit is also reported on the production of a high-mass scalar resonance by processes beyond the Standard Model, in which the resonance decays to Zγ and the Z boson subsequently decays into neutrinos. |
Keywords: | ATLAS Collaboration |
Rights: | © CERN for the benefit of the ATLAS collaboration 2017. This article is an open access publication. Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecomm ons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. Funded by SCOAP3. |
DOI: | 10.1140/epjc/s10052-017-4965-8 |
Grant ID: | ARC |
Published version: | http://dx.doi.org/10.1140/epjc/s10052-017-4965-8 |
Appears in Collections: | Aurora harvest 3 Physics publications |
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hdl_115223.pdf | Published version | 1.93 MB | Adobe PDF | View/Open |
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