Speaker
Description
Corrections to neutrinofull double beta decay observables typically focus on QED interactions or on refining the treatment of nuclear matrix elements. We introduce a new kind: chiral. These corrections involve "Yukawa-like" pion exchanges between the two decaying nuclei, as well as weak force magnetism. We explore how these effects alter decay rates and spectra, and whether they can mimic or suppress beyond the Standard Model observables, such as sterile neutrinos. Furthermore, we relate the neutrinofull double beta decay pion correction to neutrinoless double beta decay nuclear matrix elements, to assess whether constraining the former results in constraining the latter. We conclude by outlining the energy resolution necessary to measure these corrections.
