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Decay of hollow atoms in Ne10+-C-60 collisions

文献类型：期刊论文

作者Martin, S; Chen, L; Bredy, R; Bernard, J; Salmoun, A; Wei, B
刊名PHYSICAL REVIEW A
出版日期2004-04-01
卷号69页码:7
ISSN号1050-2947
DOI10.1103/PhysRevA.69.043202
英文摘要We have studied the decay of hollow atoms formed in Ne10+-C-60 collisions at low energy (E=100 keV). The decay products of hollow atoms, i.e., the scattered projectiles and the number of ejected electrons from autoionization cascades, have been measured. The projectile energy loss has been analyzed as a function of the final charge state, in order to differentiate collisions at large distance, near the C-60 through the electronic clouds and inside the C-60 cage. For scattered projectiles Ne8+ where two electrons are stabilized (s=2), up to 16 ejected electrons have been observed, and lower energy loss compared to projectiles with more stabilized electrons (s>2) has been measured. These results are interpreted by the formation and relaxation of completely neutralized compact hollow atoms passing very close to the C-60 molecule (into the electron clouds). The observed large number of ejected electrons is explained by a direct filling of the N shell during the interaction time and a fast decay via quasicomplete autoionization cascades.
WOS关键词HIGHLY-CHARGED IONS ; SURFACE ; SLOW ; NEUTRALIZATION ; FRAGMENTATION ; EQUILIBRATION ; EMISSION
WOS研究方向Optics ; Physics
语种英语
WOS记录号WOS:000221276400087
出版者AMER PHYSICAL SOC
源URL[http://119.78.100.186/handle/113462/39298]  
专题中国科学院近代物理研究所
通讯作者Martin, S
作者单位1.Univ Lyon 1, CNRS, UMR 5579, Lab Spectrometrie Lon & Mol, F-69622 Villeurbanne, France
2.Univ Cadi Ayyad, Fac Sci Semlalia, Marrakech, Morocco
3.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China
推荐引用方式
GB/T 7714		 Martin, S,Chen, L,Bredy, R,et al. Decay of hollow atoms in Ne10+-C-60 collisions[J]. PHYSICAL REVIEW A,2004,69:7.
APA Martin, S,Chen, L,Bredy, R,Bernard, J,Salmoun, A,&Wei, B.(2004).Decay of hollow atoms in Ne10+-C-60 collisions.PHYSICAL REVIEW A,69,7.
MLA Martin, S,et al."Decay of hollow atoms in Ne10+-C-60 collisions".PHYSICAL REVIEW A 69(2004):7.

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来源：近代物理研究所

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