There are three channels of excitation in collisions between Ar^(2+) and Ne or He,the first is double-electron capture into excited states,the second is single-electron capture into excited states and the third is dir...There are three channels of excitation in collisions between Ar^(2+) and Ne or He,the first is double-electron capture into excited states,the second is single-electron capture into excited states and the third is direct excitation of target by the impact of incident ion.The emission cross sections of ArI,ArII,NeI,NeII,HeI and HeII lines have been obtained and compared.The emission cross sections of Ar^(2+) +Ne collision system is much larger than that of Ar^(2+) +He collision system.展开更多
Recent experimental results on charge transfer into excited states in collisions between single and double charged ions with He,Ne,Ar,H_(2) and 0_(2 )are presented,respectively.Laboratory energy range of the ion beams...Recent experimental results on charge transfer into excited states in collisions between single and double charged ions with He,Ne,Ar,H_(2) and 0_(2 )are presented,respectively.Laboratory energy range of the ion beams of He^(q+),Ar^(q+),Ne^(+)(q=1,2)ions is(70-170)xq KeV.The optical measurement was performed by an optical multichannel analysis system(OMA).展开更多
Experimental results obtained demonstrate that there are two processes of excitation in every collision system:one is an one-electron capture into excited states,the other is a direct excitation of projectile and targ...Experimental results obtained demonstrate that there are two processes of excitation in every collision system:one is an one-electron capture into excited states,the other is a direct excitation of projectile and target by projectile ion impact.From the comparison of the emission cross sections between the two collision systems,we find that the potential energy defect and the velocity of incident ion are very important factors in emission cross sections,and a competition process of these factors in collisions occurs.展开更多
Balmer α, β,γemissions have been measured in collisions between,H_(1)^(+), H_(2)^(+) H_(3)^(+) and He,Nef Ar in energy range of 50-150ke V,using TN-1710 optical multichannel analysis system(OMA).The emission cross ...Balmer α, β,γemissions have been measured in collisions between,H_(1)^(+), H_(2)^(+) H_(3)^(+) and He,Nef Ar in energy range of 50-150ke V,using TN-1710 optical multichannel analysis system(OMA).The emission cross sections of H_(α), H_(β),H_(γ) ,lines are given。The experimental results demonstrate that the emission cross sections of H_(α, β,γ ) lines in H_(3)^(+)+He,Ne,Ar collision systems are larger than those in H_(1)^(+), H_(2)^(+) He,Ne, Ar,respectively.展开更多
基金Project supported by the National Science Foundation of China and Chinese Research Association for Atomic and Molecular Data.
文摘There are three channels of excitation in collisions between Ar^(2+) and Ne or He,the first is double-electron capture into excited states,the second is single-electron capture into excited states and the third is direct excitation of target by the impact of incident ion.The emission cross sections of ArI,ArII,NeI,NeII,HeI and HeII lines have been obtained and compared.The emission cross sections of Ar^(2+) +Ne collision system is much larger than that of Ar^(2+) +He collision system.
基金supported by the National Science Foundation of China。
文摘Recent experimental results on charge transfer into excited states in collisions between single and double charged ions with He,Ne,Ar,H_(2) and 0_(2 )are presented,respectively.Laboratory energy range of the ion beams of He^(q+),Ar^(q+),Ne^(+)(q=1,2)ions is(70-170)xq KeV.The optical measurement was performed by an optical multichannel analysis system(OMA).
文摘Experimental results obtained demonstrate that there are two processes of excitation in every collision system:one is an one-electron capture into excited states,the other is a direct excitation of projectile and target by projectile ion impact.From the comparison of the emission cross sections between the two collision systems,we find that the potential energy defect and the velocity of incident ion are very important factors in emission cross sections,and a competition process of these factors in collisions occurs.
基金supported by the National Science Foundation of China and Chinese Research Association for Atomic and Molecular Data。
文摘Balmer α, β,γemissions have been measured in collisions between,H_(1)^(+), H_(2)^(+) H_(3)^(+) and He,Nef Ar in energy range of 50-150ke V,using TN-1710 optical multichannel analysis system(OMA).The emission cross sections of H_(α), H_(β),H_(γ) ,lines are given。The experimental results demonstrate that the emission cross sections of H_(α, β,γ ) lines in H_(3)^(+)+He,Ne,Ar collision systems are larger than those in H_(1)^(+), H_(2)^(+) He,Ne, Ar,respectively.
