A singlet scalar assisted $N_2$ Leptogenesis and Pseudo-Scalar Dark Matter

Dilip Kumar Ghosh, Purusottam Ghosh, Koustav Mukherjee +1

We study the Leptogenesis and Dark Matter in the presence of an extra singlet complex scalar field in an extended discrete ${\mathcal{Z}}_3$ symmetry. The vacuum expectation va…