Higgs decay with monophoton + MET signature from low scale supersymmetry breaking

Abstract

We study the decay of a standard model-like Higgs boson into a gravitino and a neutralino, which subsequently decays promptly into another gravitino and a photon. Such a decay can be important in scenarios where the supersymmetry breaking scale is of the order of a few TeV, and in the region of low transverse momenta of the photon, it may provide the dominant contribution to the final state with a photon and two gravitinos. We estimate the relevant standard model backgrounds and the prospects for discovering this Higgs decay through a photon and missing transverse energy signal at the LHC in terms of a simplified model. We also give an explicit model with manifest, but spontaneously broken, supersymmetry in which the usual MSSM soft terms are promoted to supersymmetric operators involving a dynamical goldstino supermultiplet. This model can give rise to a SM-like CP-even neutral Higgs particle with a mass of 125 GeV, without requiring substantial radiative corrections, and with couplings sufficiently large for a signal discovery through the above mentioned Higgs decay channel with the upcoming data from the LHC.

28 pages, 5 figures, 4 tables; v2: updated to JHEP version, references added

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Cited by in corpus (29)

• Exotic Decays of the 125 GeV Higgs Boson
• Status of invisible Higgs decays
• Dark photons and resonant monophoton signatures in Higgs boson decays at the LHC
• Low Scale Supersymmetry Breaking and its LHC Signatures
• Photophilic Higgs from sgoldstino mixing
• Dark sector searches with the CMS experiment
• Dirac Gauginos in Low Scale Supersymmetry Breaking
• Signals of a superlight gravitino at the LHC
• Low-scale SUSY breaking and the (s)goldstino physics
• Liberating Higgs couplings in supersymmetry
• Search for dark photons in Higgs boson production via vector boson fusion in proton-proton collisions at $\sqrt{s}=$ 13 TeV
• Search for dark photons in decays of Higgs bosons produced in association with Z bosons in proton-proton collisions at $\sqrt{s}=$ 13 TeV
• Search for exotic decays of a Higgs boson into undetectable particles and one or more photons
• Sgoldstino-Higgs mixing in models with low-scale supersymmetry breaking
• Higgs decay to goldstini and its observability at the LHC
• Higgs diphoton rate enhancement from supersymmetric physics beyond the MSSM
• Higgs decays to $\gamma$ and invisible particles in the standard model
• Non-Linear Single Higgs MSSM
• Monophoton signals in light gravitino production at $e^{+}{e}^{-}$ colliders
• Multiphoton signatures of goldstini at the LHC
• Lepton flavor-violating decays of the Higgs boson from sgoldstino mixing
• Collider signatures of low scale supersymmetry breaking: A Snowmass 2013 White Paper
• Semi-dark Higgs decays: sweeping the Higgs neutrino floor
• Combination of searches for Higgs boson decays into a photon and a massless dark photon using $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
• Multilepton and multiphoton signatures of supersymmetry at the LHC
• D-instantons and Dualities in String Theory
• An isosinglet W' at the LHC: updated bounds from direct searches
• Higgs particles interacting via a scalar Dark Matter field
• Measuring properties of a dark photon from semi-invisible decay of the Higgs boson