SIMP spectroscopy

By Y. Hochberg, E. Kuflik, H. Murayama. 2015

137 citations recorded by the source corpus.

A bstractWe study the interactions between strongly interacting massive particle dark matter and the Standard Model via a massive vector boson that is kinetically mixed with the hypercharge gauge boson. The relic abundance is set by 3 → 2 self-interactions of the dark matter, while the interactions with the vector mediator enable kinetic equilibrium between the dark and visible sectors. We show that a wide range of parameters is phenomenologically viable and can be probed in various ways. Astrophysical and cosmological constraints are evaded due to the p-wave nature of dark matter annihilation into visible particles, while direct detection methods using electron recoils can be sensitive to parts of the parameter space. In addition, we propose performing spectroscopy of the strongly coupled dark sector at e+e− colliders, where the energy of a mono-photon can track the resonance structure of the dark sector. Alternatively, some resonances may decay back into Standard Model leptons or jets, realizing ‘hidden valley’ phenomenology at the LHC and ILC in a concrete fashion.

Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/fe25b2b8a705a9f5bf388031af6abfe81c5f594c

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In Astronomy and Astrophysics

In Nuclear and High Energy Physics

Citations in the corpus

Dark matter, millicharges, axion and scalar particles, gauge bosons, and other new physics with LDMX (2018, background): “[11, 12, 135].”
Searching for long-lived particles beyond the Standard Model at the Large Hadron Collider (2019, background): “Examples of multi-component DM theories include models of new electroweak multiplets [57, 121–123], strongly interacting massive particles (SIMPs) [124], inelastic dark matter [125–128], models with DM coannihilation partners [91, 129–134] (including scenarios where the coannihilation partners are o”