Collisional Dark Matter and Scalar Phantoms

Kavli Affiliate: Anthony Zee

| First 5 Authors: Daniel E. Holz, Anthony Zee, , ,

| Summary:

As has been previously proposed, a minimal modification of the standard
$SU(3)times SU(2)times U(1)$ theory provides a viable dark matter candidate.
Such a particle, a scalar gauge singlet, is naturally self-interacting—making
it of particular interest given recent developments in astrophysics. We review
this dark matter candidate, with reference to the parameter ranges currently
under discussion.

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