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Electron, exciton and ion reactions with (in) van der Waals (Arn) clusters

The mechanism, dynamics and kinetics of electron impact ionization of van der Waals clusters and subsequent reactions of ionized and/or excited constituents (e.g. excitons) within the cluster environment - as explored by mass spectrometry, molecular dynamics (MD) and quasi equilibrium theory (QET) calculations - are reviewed using argon clusters as an illustrative example. In addition recent complementary experimental and theoretical investigations concerning ion-cluster association reactions (e.g. X+ + Arm → (Arm X)+* → products) will be summarized and compared to the electron interaction case.