Martin Loidl, Cindy Le Bret, Matias Rodrigues, Xavier Mougeot. Evidence for the Exchange Effect Down to Very Low Energy in the Beta Decays of $^{63}$Ni and $^{241}$Pu.
Journal of Low Temperature Physics, Springer Verlag (Germany), 2014, 176, pp.1040 - 1045.
⟨10.1007/s10909-014-1190-9⟩.
⟨cea-01834215⟩