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Search for dark matter in events with missing transverse momentum and a Higgs boson decaying into two photons in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector

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arxiv 2104.13240 v2 pith:RAHUJE5O submitted 2021-04-27 hep-ex

classification hep-ex
keywords bosondecayingeventshiggsphotonssearchatlasdark-matter
verification ladder T0 review T1 audit T2 compute T3 formal

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abstract

A search for dark-matter particles in events with large missing transverse momentum and a Higgs boson candidate decaying into two photons is reported. The search uses $139$ fb$^{-1}$ of proton-proton collision data collected at $\sqrt{s}=13$ TeV with the ATLAS detector at the CERN LHC between 2015 and 2018. No significant excess of events over the Standard Model predictions is observed. The results are interpreted by extracting limits on three simplified models that include either vector or pseudoscalar mediators and predict a final state with a pair of dark-matter candidates and a Higgs boson decaying into two photons.

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Cited by 6 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Search for dark matter production in association with bottom quarks and a lepton pair in proton-proton collisions at $\sqrt{s}$ = 13 TeV

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    A two-component dark matter model with an inert triplet scalar and a singlet fermion can explain the relic abundance while producing a strong electroweak phase transition and gravitational wave signals detectable by L...

  4. Correlating $A \to \gamma\gamma$ with electric dipole moments in the two Higgs doublet model in light of the diphoton excesses at 95 GeV and 152 GeV

    hep-ph 2024-11 conditional novelty 6.0 of 10

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    Simulated HL-LHC dimuon angular distributions are used to set expected 95% CL mass limits on an Einstein-Cartan torsion portal dark matter model, but the signal is incorrectly treated as spin-2.

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