With the conic electrode trap,the lifetime of C^(r+)_(60)was measured in 56 keV Ar^(8+)-C60 collisions.The outgoing projectiles Ar^((8-s)+),on which s captured electrons are stabilized,are selected by an electrostatic...With the conic electrode trap,the lifetime of C^(r+)_(60)was measured in 56 keV Ar^(8+)-C60 collisions.The outgoing projectiles Ar^((8-s)+),on which s captured electrons are stabilized,are selected by an electrostatic analyzer.The ejected electrons and the recoil ions were extracted from the interaction region by a high transverse electric field E=1 kV/cm.After extraction the electrons were accelerated towards a semiconductor detector(PIPS)biased at 20 kV,which gives the information on the number of emitted electrons in the react.展开更多
In highly charged ions-C_(60)collisions,the fragmentation processes have been studied up to C^(9+)_(60).For low charge state of C^(q+)_(60)(g=1-4)the C_(2) evaporation processes have been observed.The fission processe...In highly charged ions-C_(60)collisions,the fragmentation processes have been studied up to C^(9+)_(60).For low charge state of C^(q+)_(60)(g=1-4)the C_(2) evaporation processes have been observed.The fission processes consisting of the emission of light charged fragments have been observed typically for charge state ranging from q=3 to q=9.The multi-fragmentation processes appear from 5=4 and became quickly dominant for higher charge states.展开更多
文摘With the conic electrode trap,the lifetime of C^(r+)_(60)was measured in 56 keV Ar^(8+)-C60 collisions.The outgoing projectiles Ar^((8-s)+),on which s captured electrons are stabilized,are selected by an electrostatic analyzer.The ejected electrons and the recoil ions were extracted from the interaction region by a high transverse electric field E=1 kV/cm.After extraction the electrons were accelerated towards a semiconductor detector(PIPS)biased at 20 kV,which gives the information on the number of emitted electrons in the react.
文摘In highly charged ions-C_(60)collisions,the fragmentation processes have been studied up to C^(9+)_(60).For low charge state of C^(q+)_(60)(g=1-4)the C_(2) evaporation processes have been observed.The fission processes consisting of the emission of light charged fragments have been observed typically for charge state ranging from q=3 to q=9.The multi-fragmentation processes appear from 5=4 and became quickly dominant for higher charge states.