Novel Search for absorption of ultra-light fermionic dark matter on electron with cosmic ray boost

X. P. Geng, B. Zhong, Z. H. Zhang

The search for the absorption of fermionic dark matter (DM) on electron is hindered by a partial or complete loss of sensitivity for the mass of DM ($m_{\ddot{I}}‡$) below $\mathcal{O} (10)…