Probing cosmic ray acceleration through molecular clouds in the vicinity of supernova remnant with H.E.S.S.

Abstract

Several very high energy γ‐ray excesses have been recently detected by H.E.S.S. towards known associations between supernova remnants and molecular clouds. Such associations are very interesting as dense molecular clouds in the vicinity of supernova blast waves could be a probe of proton acceleration. A hadronic scenario could explain part or the overall of these excesses.