HIGH RYDBERG AND AUGER ELECTRONS FROM FAST PROJECTILE IONS STUDIED BY ZERO-DEGREE ELECTRON-SPECTROSCOPY

被引：16

作者：

KAWATSURA, K

SATAKA, M

NARAMOTO, H

IMAI, M

KOMAKI, K

YAMAZAKI, Y

KUROKI, K

KANAI, Y

KAMBARA, T

AWAYA, Y

HANSEN, JE

KADAR, I

STOLTERFOHT, N

机构：

[1] JAPAN ATOM ENERGY RES INST,DEPT PHYS,TOKAI,IBARAKI 31911,JAPAN

[2] UNIV TOKYO,COLL ARTS & SCI,INST PHYS,MEGURO KU,TOKYO 153,JAPAN

[3] INST PHYS & CHEM RES,WAKO,SAITAMA 35101,JAPAN

[4] UNIV AMSTERDAM,ZEEMAN LAB,1018 TV AMSTERDAM,NETHERLANDS

[5] HAHN MEITNER INST KERNFORSCH BERLIN GMBH,W-1000 BERLIN 39,GERMANY

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 1991年 / 53卷 / 04期

关键词：

D O I：

10.1016/0168-583X(91)95419-E

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Zero-degree electron spectra were measured with high resolution for 64 MeV S5+ ions on He and 64 MeV S12+ ions on He and C, and for 90 MeV Sc8+ ions on He. In 64 MeV S ion collisions, a series of intense lines have been observed, which are attributed to the Auger transitions from 1s(2)2s(2)2p(5)3snl to 1S(2)2s(2)2p6 for S5+ ions on He, and to the Coster-Kronig transitions from 1s(2)2pnl to 1s(2)2s-epsilon-l' for S12+ ions on He or C foils. The angular-momentum (l) distribution of the S12+ ions in the Rydberg state with n = 9 has been obtained and it is found that the high-l components are significantly enhanced for the solid target. In 90 MeV Sc8+ + He collisions, three groups of intense lines have been observed, which are attributed to the transitions from 1s(2)2s(2)2p(5)3s(2)3p to 1s(2)2s(2)2p(6)3s, 1s(2)2s(2)2p(6)3p, and 1s(2)2s(2)2p(6)3d. The last transition, in which three electrons are involved via electron correlation, is studied and compared with previous results for the isoelectronic ions Al+ and Ar6+.

引用

页码：421 / 425

页数：5

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