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High Energy Phenomenology, Experiment, and Cosmology Seminar Series artwork
March 29, 20234:00 pm – 5:00 pm (CDT)

The Sterile Neutrino is Dead, Long Live the Sterile Neutrino!


Mark Ross-Lonergan (Los Alamos National Laboratory)


Doojin Kim



Mitchell Institute for Fundamental Physics & Astronomy

College Station, Texas 77843

Event Details

Sterile neutrinos have long intrigued both the theoretical and experimental particle physics communities. They could exist at various well-motivated theoretical scales, from GUT-scale masses involved in see-saw mechanisms to keV dark matter candidates. However, eV-scale sterile neutrinos began with little to no theoretical motivation, but were instead born from several anomalous experimental hints observed over the past two decades. Recent results from MicroBooNE have led many to declare the eV sterile neutrino dead. Despite this, a resurgence of new theories and models are emerging to target these same anomalies. In this talk, I will explore this new direction in which neutrinos act as a portal to a "dark sector" that many models and experimental searches are exploring in light of these recent results.

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