Author/Authors :
Barat، نويسنده , , M. and Brenot، نويسنده , , J.C. and Dunet، نويسنده , , H. and Fayeton، نويسنده , , J.A and Picard، نويسنده , , Y.J. and Babikov، نويسنده , , D. and Sizun، نويسنده , , M.، نويسنده ,
Abstract :
An experimental investigation of the fragmentation mechanisms of Na3+ cluster ions in collision with He atoms at 263 eV centre-of-mass energy is presented. The relative populations of the three fragmentation pathways are determined. In particular, the kinematics of the three-body breakup is studied in detail. The analysis of the correlation between the velocity vectors of the fragments allows one to estimate the relative role of the electronic excitation or momentum transfer in the population of each pathway. The discussion of the fragmentation dynamics is based on a concomitant theoretical study.
