Neutrinoless double beta decay and the underlying mechanism(s)--Institute of Theoretical Physics，Chinese Academy of Sciences

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Neutrinoless double beta decay and the underlying mechanism(s)

12/31 2021 Seminar

Title Neutrinoless double beta decay and the underlying mechanism(s)
Speaker Gang Li (University of Massachusetts Amherst)
Date 2021年12月31日 10:00
Venue https://us02web.zoom.us/j/86993071231?pwd=Mm95b2ZpeGdsSDVnV3F6S0RmK1VwZz09 Meeting ID: 869 9307 1231 Passcode: 270711

Abstract

One of the most important open questions in neutrino physics is whether the neutrinos are Majorana fermions. The most promising way to assess the Majorana nature of neutrinos is through the detection of neutrinoless double beta decay (0νββ), which has stimulated numerous on-going and next-generation experiments. To interpret positive or null 0νββ results, it is critical to have a good knowledge of the underlying mechanism(s). In this talk, I will try to answer two questions: (1) are there well-motivated scenarios beyond the Standard Model that are expected to give positive 0νββ signals in tonne-scale experiments? (2) how can we uncover the mechanism of 0νββ?