分析了在重离子冷却储存环上测量的辐射电子俘获产生的X射线能谱, 得出了K-REC 光子的相对微分角分布, 通过与非相对论理论和全相对论理论的计算结果进行比较, 从实验上证明了相对论重离子-原子碰撞中自旋翻转跃迁的存在, 实验结果与全相对论理论计算结果一致. 同时还证实, 重离子体系本身的相对论性质对碰撞过程有重要影响.
参考文献
| [1] | Marrs R E,Elliot S R,Knapp D A.Production and Trapping of Hydrogenlike and Bare Uranium Ions in an Electron Beam Ion Trap [J].Phys Rev Lett,1994,72:4 082. |
| [2] | Winkler T,Beckert K,Bosch F,et al.Electron Cooling Forces for Highly Charged Ions in the ESR [J].Nucl Instr and Meth,1997,A391(1):12. |
| [3] | Eichler J,Ichihara A,Shirai T.Photon Angular Distributions from Radiative Electron Capture in Relativistic Atomic Collisions [J].Phys Rev ,1995,A51(4):3 027. |
| [4] | Eichler J,Meyerhof W E.Relativistic Atomic Collisions[M].Academic Press,1995. |
| [5] | Ma X,Mokler P H,Bednarz G,et al.Resonant Transfer and Excitation for H-like U Ions[M].GSI Annual Report,2000,at_hea 2. |
| [6] | Kandler T,Mokler P H,Geissel H,et al.Resonant Transfer and Excitation Investigated Via X-ray Emission in U90+ →C Collisions [J].Nucl Instr and Meth,1995,B98:320. |
| [7] | Sthlker T,Ludziejewski T,Bosch F,et al.Angular Distribution Studies for the Time-reversed Photoionization Process in Hydrogen-like Uranium:The identification of spin-flip transitions [J].Phys Rev Lett,1999,82(16):3 232. |
| [8] | Anholt R,Andriamonje S A,Morenzoni E,et al.Observation of Radiative Capture in Relativistic Heavy Ion-atom Collisions [J].Phys Rev Lett,1985,53(3):234. |
| [9] | Sthlker T,Ma X,Ludziejewski T,et al.Near-threshold Photoionization of Hydrogen-like Uranium Studied in Ion-atom Collisions Via the Time-reversed Process [J].Phys Rev Lett,2001,86(6):983. |
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