International Journal of Astronomy and Astrophysics

Volume 10, Issue 3 (September 2020)

ISSN Print: 2161-4717   ISSN Online: 2161-4725

Google-based Impact Factor: 1  Citations  

Fermion or Boson Dark Matter?

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DOI: 10.4236/ijaa.2020.103011    457 Downloads   1,804 Views  Citations
Author(s)

ABSTRACT

We measure properties of dark matter in four well motivated scenarios: fermions with ultra-relativistic thermal equilibrium (URTE), bosons with URTE, fermions with non-relativistic thermal equilibrium (NRTE), and bosons with NRTE. We attempt to discriminate between these four scenarios with studies of spiral galaxy rotation curves, and galaxy stellar mass distributions. The measurements show evidence for boson dark matter with a significance of 3.5σ, and obtain no significant discrimination between URTE and NRTE.

Share and Cite:

Hoeneisen, B. (2020) Fermion or Boson Dark Matter?. International Journal of Astronomy and Astrophysics, 10, 203-223. doi: 10.4236/ijaa.2020.103011.

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