Speaker
Dr
Innes Bigaran
(Fermilab and Northwestern University)
Description
I will discuss a proposed dark matter direct-detection strategy using charged particle decays at accelerator-based experiments. If ultralight $(m_\phi \ll \text{eV})$ dark matter has a misalignment abundance, its local field oscillates in time at a frequency set by its mass. If it also couples to flavor-changing neutral currents, rare exotic decays such as $\mu \to e \phi'$ and $\tau\to e(\mu)\phi'$ inherit this modulation. Focusing on such charged lepton flavor-violating decays, we show that sufficient event samples can enable detection of ultralight dark matter candidates at Mu3e, Belle-II, and FCC-ee.
Authors
Gordan Krnjaic
(Fermilab)
Dr
Innes Bigaran
(Fermilab and Northwestern University)
Jure Zupan
(University of Cincinnati)
Patrick Fox
Roni Harnik
Tony Menzo
Dr
Yann Gouttenoire