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hep-ph2026
Direct Detection of Light Self-Interacting Dark Matter via Electronic Collective Excitations
Wen-Na Yang, Wu-Long Xu, Wenyu Wang +1
Models of light dark matter often invoke a light mediator to facilitate interactions with the Standard Model. If sufficiently light, this mediator can induce long-range self-intera…
hep-ph2026
Size Dependence of the Sommerfeld Enhancement for Puffy Dark Matter
Wu-Long Xu, Jin Min Yang, Wen-Na Yang
We examine the size effects in the Sommerfeld enhancement factor for puffy dark matter annihilation. First, we use the partial-wave method to study the case of puffy dark matter fo…