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Gauge-Independent Approach to Resonant Dark Matter Annihilation
Mateusz Duch, Bohdan Grzadkowski, Apostolos Pilaftsis
In spontaneously broken gauge theories, transition amplitudes describing dark-matter (DM) annihilation processes through a resonance may become highly inaccurate close to a product…
One-loop contribution to dark matter-nucleon scattering in the pseudoscalar dark matter model
Duarte Azevedo, Mateusz Duch, Bohdan Grzadkowski +3
Recent dark matter (DM) direct searches place very stringent constraints on the possible DM candidates proposed in extensions of the Standard Model. There are however models where…
Testing scalar versus vector dark matter
Duarte Azevedo, Mateusz Duch, Bohdan Grzadkowski +3
We investigate and compare two simple models of dark matter (DM): a vector and a scalar DM model. Both models require the presence of two physical Higgs bosons and whic…