Search for dark matter in association with a Higgs boson decaying to b-quarks in pp collisions at root s=13 TeV with the ATLAS detectorShow others and affiliations
Number of Authors: 28632017 (English)In: Physics Letters B, ISSN 0370-2693, E-ISSN 1873-2445, Vol. 765, p. 11-31Article in journal (Refereed) Published
Abstract [en]
A search for dark matter pair production in association with a Higgs boson decaying to a pair of bottom quarks is presented, using 3.2 fb(-1) of pp collisions at a centre-of-mass energy of 13 TeV collected by the ATLAS detector at the LHC. The decay of the Higgs boson is reconstructed as a high-momentum b (b) over bar system with either a pair of small-radius jets, or a single large-radius jet with substructure. The observed data are found to be consistent with the expected backgrounds. Results are interpreted using a simplified model with a gauge boson mediating the interaction between dark matter and the Standard Model as well as a two-Higgs-doublet model containing an additional Z' boson which decays to a Standard Model Higgs boson and a new pseudoscalar Higgs boson, the latter decaying into a pair of dark matter particles. (C) 2016 The Author(s). Published by Elsevier B.V.
Place, publisher, year, edition, pages
ELSEVIER SCIENCE BV , 2017. Vol. 765, p. 11-31
National Category
Subatomic Physics
Identifiers
URN: urn:nbn:se:uu:diva-359280DOI: 10.1016/j.physletb.2016.11.035ISI: 000393627800003OAI: oai:DiVA.org:uu-359280DiVA, id: diva2:1245371
Funder
Swedish Research CouncilEU, European Research CouncilEU, FP7, Seventh Framework ProgrammeEU, Horizon 2020
Note
For complete list of authors see http://dx.doi.org/10.1016/j.physletb.2016.11.035
2018-09-052018-09-052018-09-05Bibliographically approved