Insight into He diffusion in apatite by ion beam experiments and quantum calculations: implication for the (U-Th)/He thermochronometer

Cécile Gautheron1, Duval Mbongo-Djimbi2, Chloé Gerin3, Jérôme Roques2, Cyril Bachelet4, Erwan Oliviero5 and Laurent Tassan-Got2, (1)University Paris Sud, GEOPS, Orsay, France, (2)Universite Paris Sud, IPN, Orsay, France, (3)Universite Paris Sud, GEOPS, Paris, France, (4)Universite Paris Sud, Paris, France, (5)Universite Paris Sud, CSNSM, France, France