Phenomenology of a two-component dark matter modelopen access
- Kim, Y.G.; Lee, K.Y.; Nam, S.-H.
- Issue Date
- Elsevier B.V.
- Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, v.834
- Journal Title
- Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
- We study a two-component dark matter model consisting of a Dirac fermion and a complex scalar charged under new U(1) gauge group in the hidden sector. The dark fermion plays the dominant component of dark matter which explains the measured DM relic density of the Universe. It has no direct coupling to ordinary standard model particles, thus evading strong constraints from the direct DM detection experiments. The dark fermion is self-interacting through the light dark gauge boson and it would be possible to address that this model can be a resolution to the small scale structure problem of the Universe. The light dark gauge boson, which interacts with the standard model sector, is also stable and composes the subdominant DM component. We investigate the model parameter space allowed by current experimental constraints and phenomenological bounds. We also discuss the sensitivity of future experiments such as SHiP, DUNE and ILC, for the obtained allowed parameter space. ? 2022 The Author(s)
- Files in This Item
- There are no files associated with this item.
- Appears in
- 사범대학 > 물리교육과 > Journal Articles
Items in ScholarWorks are protected by copyright, with all rights reserved, unless otherwise indicated.