2011/04/30 by Chris Kouvaris, P. Tinyakov, Peter Tinyakov
Physics and Astronomy · #Atomic and Subatomic Physics Research #Cosmology and Gravitation Theories #Dark Matter and Cosmic Phenomena #astro-ph.CO #hep-ph
paper · pdf · doi:10.1103/physrevlett.107.091301
published as Phys. Rev. Lett. 107, 091301 (2011) · published version
openalex publication_date 2011/08/25 · arxiv created 2011/10/12 · arxiv updated 2013/05/29 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
We argue that current neutron star observations exclude asymmetric bosonic noninteracting dark matter in the range from 2 keV to 16 GeV, including the 5-15 GeV range favored by DAMA and CoGeNT. If bosonic weakly interacting massive particles (WIMPs) are composite of fermions, the same limits apply provided the compositeness scale is higher than ∼10¹² GeV (for WIMP mass ∼1 GeV). In the case of repulsive self-interactions, we exclude the large range of WIMP masses and interaction cross sections which complements the constraints imposed by observations of the Bullet Cluster.