Search for dark photon and dark matter signatures around electron-positron colliders

Abstract

The search for a dark photon produced at $e^{+}{e}^{-}$ colliders which subsequently decays into inelastic dark matter particles, is discussed. The heavier dark matter decays into a pair of visible charged particles and a lighter dark matter particle after traveling some distance. The visible decay products can be recorded by a dark matter detector made of emulsions and gas detectors, placed near the main $e^{+}{e}^{-}$ detector. This setup can not only explore new parameter regions not reached before, but also re-open some regions thought to be excluded by previous experimental data. The physics potential for such a detector around BESIII and Belle II is presented.

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Cited by in corpus (4)

• Long-lived Sterile Neutrinos at Belle II in Effective Field Theory
• Probing $R$-parity violation in $B$-meson decays to a baryon and a light neutralino
• Search for invisible dark photon in $\gamma e$ scattering at future lepton colliders
• Probing charged lepton flavor violation with axion-like particles at Belle II