We discussed the theoretical consistency in the treatment of Xray emission processes due to the deceleration of an electron on the occasion of transfer from atom to projectile ions.The cross sections do depend on the ...We discussed the theoretical consistency in the treatment of Xray emission processes due to the deceleration of an electron on the occasion of transfer from atom to projectile ions.The cross sections do depend on the coordinate frame employed.This unphysical feature is from the approximate formulas of three particle scattering states.We discussed a guide principle and reported some recent calculations.展开更多
The emission spectra in collisions between Ions and Atoms have been measured by an Optical Multichannel Analysis System (OMA).The experimental results demonstrate that there are two channels of excitation in collision...The emission spectra in collisions between Ions and Atoms have been measured by an Optical Multichannel Analysis System (OMA).The experimental results demonstrate that there are two channels of excitation in collision between single charged ions and atoms and three channels of excitation in collision between double charged ions and atoms.Emission cross cestions and excitation cross sections have been obtained.K.Kadota et al and R.Shingal et al suggested that,under the appropriate conditions,the H4^2+-Li and He^2++Na collision systems can be used efficiently to produce a laser of Lyman-α(30,4nm) and Lyman-β(25.6nm)lines via cascade to He^+(2P)state.展开更多
The pulsed electron beam rf ion storage system is used to study neon ions electron transfer, The rate coefficients for electron transfer of the neon ions with the neon gas are measured, the results are better than tho...The pulsed electron beam rf ion storage system is used to study neon ions electron transfer, The rate coefficients for electron transfer of the neon ions with the neon gas are measured, the results are better than those in other ion storage system.展开更多
文摘We discussed the theoretical consistency in the treatment of Xray emission processes due to the deceleration of an electron on the occasion of transfer from atom to projectile ions.The cross sections do depend on the coordinate frame employed.This unphysical feature is from the approximate formulas of three particle scattering states.We discussed a guide principle and reported some recent calculations.
文摘The emission spectra in collisions between Ions and Atoms have been measured by an Optical Multichannel Analysis System (OMA).The experimental results demonstrate that there are two channels of excitation in collision between single charged ions and atoms and three channels of excitation in collision between double charged ions and atoms.Emission cross cestions and excitation cross sections have been obtained.K.Kadota et al and R.Shingal et al suggested that,under the appropriate conditions,the H4^2+-Li and He^2++Na collision systems can be used efficiently to produce a laser of Lyman-α(30,4nm) and Lyman-β(25.6nm)lines via cascade to He^+(2P)state.
文摘The pulsed electron beam rf ion storage system is used to study neon ions electron transfer, The rate coefficients for electron transfer of the neon ions with the neon gas are measured, the results are better than those in other ion storage system.
