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We studied the characteristic X-ray spectra produced by the interaction of highly charged ions of 129Xeq+(q=25,26,27)with surface of metallic Mo. The experimental result shows that highly charged ions can excite the characteristic X-ray spectra of L-shell of Mo when the beam’s intensity is not more than 120 nA. The X-ray yield of single ion reaches a quantitative level of 10-8 and increases with the increment of the ion’s kinetic energy and ionic charge (potential energy). By measuring the X-ray spectra of Mo-Lα1, the M-level lifetime of Mo atom is estimated by using Heisenberg uncertainty relation.
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Keywords:
- highly charged ions /
- X-ray /
- yield /
- level lifetime
[1] Winter H P, Aumayr F 1999 J. Phys. B: At. Mol. Opt. Phys. 32 R39
[2] Schenkel T, Hamza AV, Barnes AV, Schneider D H,Banks J C, Doyle B L 1998 Phys. Rev. Lett. 81 2590
[3] Dong C Z,Fu Y B 2006 Acta Phys. Sin. 55 0107 (in Chinese) [董晨钟、符彦飙 2006 55 0107]
[4] Zhang X A,Zhao Y T, Li F L,Yang Z H,Xiao G Q,Zhan W L 2004 Science in China G 34 414 (in Chinese) [张小安、赵永涛、李福利、杨治虎、肖国青、詹文龙 2004 中国科学(G辑) 34 414]
[5] Yang Z H,Song Z Y,Chen X M,Zhang X A,Zhang Y P,Zhao Y T,Cui Y,Zhang H Q,Xu X,Shao J X, Yu D Y,Cai X H 2006 Acta Phys. Sin. 55 2221 (in Chinese) [杨治虎、宋张勇、陈熙 萌、张小安、张艳萍、赵永涛、崔 莹、张红强、徐 徐、邵建雄、于得洋、蔡晓红 2006 55 2221] 〖6] Burgdrfer J, Lerner P, Meyer F W 1991 Phys. Rev. A 44 5674
[6] Yang Z H, Song Z Y, Cui Y, Zhang H Q, Ruan F F, Shao J X, Du J, Liu Y W, Zhu K X, Zhang X A, Shao C J, Lu R C, Yu D Y, Chen X M, Cai X H 2008 Acta Phys. Sin. 57 803 (in Chinese)[杨治虎、宋张勇、崔 莹、张红强、阮芳芳、邵健雄、杜 娟、刘玉文、朱可欣、张小安、邵曹杰、卢荣春、于得洋、陈熙萌、蔡晓红 2008 57 803]
[7] Xu K Z 1998 Advanced Physics of Atom and Molecule (Beijing: Science Press)p160(in Chinese) [徐克尊 1998 高等原子分子物理学(北京:科学出版社)第160页]
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[1] Winter H P, Aumayr F 1999 J. Phys. B: At. Mol. Opt. Phys. 32 R39
[2] Schenkel T, Hamza AV, Barnes AV, Schneider D H,Banks J C, Doyle B L 1998 Phys. Rev. Lett. 81 2590
[3] Dong C Z,Fu Y B 2006 Acta Phys. Sin. 55 0107 (in Chinese) [董晨钟、符彦飙 2006 55 0107]
[4] Zhang X A,Zhao Y T, Li F L,Yang Z H,Xiao G Q,Zhan W L 2004 Science in China G 34 414 (in Chinese) [张小安、赵永涛、李福利、杨治虎、肖国青、詹文龙 2004 中国科学(G辑) 34 414]
[5] Yang Z H,Song Z Y,Chen X M,Zhang X A,Zhang Y P,Zhao Y T,Cui Y,Zhang H Q,Xu X,Shao J X, Yu D Y,Cai X H 2006 Acta Phys. Sin. 55 2221 (in Chinese) [杨治虎、宋张勇、陈熙 萌、张小安、张艳萍、赵永涛、崔 莹、张红强、徐 徐、邵建雄、于得洋、蔡晓红 2006 55 2221] 〖6] Burgdrfer J, Lerner P, Meyer F W 1991 Phys. Rev. A 44 5674
[6] Yang Z H, Song Z Y, Cui Y, Zhang H Q, Ruan F F, Shao J X, Du J, Liu Y W, Zhu K X, Zhang X A, Shao C J, Lu R C, Yu D Y, Chen X M, Cai X H 2008 Acta Phys. Sin. 57 803 (in Chinese)[杨治虎、宋张勇、崔 莹、张红强、阮芳芳、邵健雄、杜 娟、刘玉文、朱可欣、张小安、邵曹杰、卢荣春、于得洋、陈熙萌、蔡晓红 2008 57 803]
[7] Xu K Z 1998 Advanced Physics of Atom and Molecule (Beijing: Science Press)p160(in Chinese) [徐克尊 1998 高等原子分子物理学(北京:科学出版社)第160页]
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