Search for two neutrino double electron capture of ${}^{124}$Xe and ${}^{126}$Xe in the full exposure of the LUX detector

LUX Collaboration, D. S. Akerib, S. Alsum +96

Two-neutrino double electron capture is a process allowed in the Standard Model of Particle Physics. This rare decay has been observed in ${}^{78}$Kr, ${}^{130}$Ba and more recently in…