Excluding Light Asymmetric Bosonic Dark Matter
Journal Article
·
· Physical Review Letters
- CP3-Origins, University of Southern Denmark, Campusvej 55, Odense 5230 (Denmark)
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 {approx}10{sup 12} GeV (for WIMP mass {approx}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.
- OSTI ID:
- 21611579
- Journal Information:
- Physical Review Letters, Vol. 107, Issue 9; Other Information: DOI: 10.1103/PhysRevLett.107.091301; (c) 2011 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- English
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