Inception of self-interacting dark matter with dark charge conjugation symmetry
Journal Article
·
· Physics Letters B
A new understanding of the stability of self-interacting dark matter is pointed out, based on the simplest spontaneously broken Abelian gauge model with one complex scalar and one Dirac fermion. The key is the imposition of dark charge conjugation symmetry. It allows the possible existence of two stable particles: the Dirac fermion and the vector gauge boson which acts as a light mediator for the former's self-interaction. Since this light mediator does not decay, it avoids the strong cosmological constraints recently obtained for all such models where the light mediator decays into standard-model particles.
- Research Organization:
- Univ. of California, Riverside, CA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- Grant/Contract Number:
- SC0008541
- OSTI ID:
- 1367771
- Alternate ID(s):
- OSTI ID: 1423776
- Journal Information:
- Physics Letters B, Journal Name: Physics Letters B Vol. 772 Journal Issue: C; ISSN 0370-2693
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- Netherlands
- Language:
- English
Cited by: 19 works
Citation information provided by
Web of Science
Web of Science
Multi-component dark matter: the vector and fermion case
|
journal | November 2018 |
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