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Spin Dependent mu-> e Conversion

2018-02-20 17:00
Sacha Davidson
KMI Science Symposia (ES635)
Charged Lepton Flavour Violation is New Physics that must occur, because  neutrinos have masses and mixing angles. In many cases, it can be parametrised at low energy by contact interactions. I focus on the process of mu->e conversion in nuclei, because its experimental sensitivity should improve by 4-6 orders of magnitude in coming years.  The nuclear physics of this process is similar to WIMP scattering: previous calculations of mu-e conversion focused on the (coherent, A^2 enhanced) spin-independent contribution; I will introduce the spin-dependent process, which depends on different operator coefficients,  and  explore  the prospects for distinguishing coefficients (or models) by using different targets.