Low-Scale Baryogenesis and its Experimental and Astrophysical Probes

  • Nuclear, Particle, Astroparticle and Cosmology (NUPAC) Seminars

October 21, 2025 2:00 PM
PAIS 3205

Host:
Rouzbeh Allahverdi
Presenter:
Xiaoxuan (Shane) Li (UNM)
Models of TeV-scale baryogenesis are interesting as they provide an opportunity to probe the physics responsible for the observed matter-antimatter asymmetry of the universe at experimentally accessible energies. In this talk, I will present a minimal extension of the Standard Model that accommodates low-scale baryogenesis and review various experimental and astrophysical constraints on the model. Then I will discuss my work on identifying the parameter space for successful baryogenesis where the observed baryon asymmetry is generated without being subsequently washed out. I will also examine the prospects for probing the allowed parameter by the next generation neutron-antineutron oscillation experiments. I will conclude the talk by discussing some directions for extending this work. 

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