Combination of Searches for Invisible Higgs Boson Decays with the ATLAS Experiment

Collaboration, ATLAS and Barton, A.E. and Bertram, I.A. and Borissov, G. and Bouhova-Thacker, E.V. and Fox, H. and Henderson, R.C.W. and Jones, R.W.L. and Kartvelishvili, V. and Long, R.E. and Love, P.A. and Muenstermann, D. and Parker, A.J. and Smizanska, M. and Tee, A.S. and Walder, J. and Wharton, A.M. and Whitmore, B.W. (2019) Combination of Searches for Invisible Higgs Boson Decays with the ATLAS Experiment. Physical review letters, 122 (23). ISSN 1079-7114

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Abstract

Dark matter particles, if sufficiently light, may be produced in decays of the Higgs boson. This Letter presents a statistical combination of searches for H→invisible decays where H is produced according to the standard model via vector boson fusion, Z(-)H, and W/Z(had)H, all performed with the ATLAS detector using 36.1 fb-1 of pp collisions at a center-of-mass energy of s=13 TeV at the LHC. In combination with the results at s=7 and 8 TeV, an exclusion limit on the H→invisible branching ratio of 0.26(0.17-0.05+0.07) at 95% confidence level is observed (expected). © 2019 CERN.

Item Type: Journal Article
Journal or Publication Title: Physical review letters
Uncontrolled Keywords: /dk/atira/pure/subjectarea/asjc/3100
Subjects:
Departments: Faculty of Science and Technology > Physics
Faculty of Science and Technology > Engineering
ID Code: 135458
Deposited By: ep_importer_pure
Deposited On: 16 Jul 2019 10:35
Refereed?: Yes
Published?: Published
Last Modified: 24 Feb 2020 03:57
URI: https://eprints.lancs.ac.uk/id/eprint/135458

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