Çetin, Serkant Ali2021-03-102021-03-102017-02-10https://hdl.handle.net/11411/3351https://doi.org/10.1016/j.physletb.2016.11.035A 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.eninfo:eu-repo/semantics/openAccessArticle2-s2.0-8504175440310.1016/j.physletb.2016.11.035Q1Q1WOS:000393627800003