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Dark Side of the Neutron?
October 23, 20181:00 pm – 2:00 pm (CDT)

Dark Side of the Neutron?


Bartosz Fornal (University of California, San Diego)



Mitchell Institute for Fundamental Physics & Astronomy

College Station, Texas 77843

Event Details

I will discuss the recently proposed interpretation of the discrepancy between the bottle and beam neutron lifetime experiments as a sign of a dark sector. The difference between the outcomes of the two types of measurements is explained by the existence of a neutron dark decay channel with a branching fraction 1%. Phenomenologically consistent particle physics models for the neutron dark decay can be constructed and they involve a strongly self-interacting dark sector. I will elaborate on the theoretical developments around this idea and describe the efforts undertaken to verify it experimentally.

Video Recording

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