Hidden Interactions of Sterile Neutrinos As a Probe For New Physics

Understand

Recent results from neutrino experiments show evidence for light sterile neutrinos which do not have any Standard Model interactions.

• In this work we study the hidden interaction of sterile neutrinos with an "MeV scale" gauge boson (the $\nu_s$HI model) with mass $M_X$ and leptonic coupling $g^\prime_l$.
• By performing an analysis on the $\nu_s$HI model using the data of the MINOS neutrino experiment we find that the values above $G_X/G_F=92.4$ are excluded by more than $2\sigma$ C.L., where $G_F$ is the Fermi constant and $G_X$ is the field strength of the $\nu_s$HI model.
• Using this model we can also probe other new physics scenarios.