SINGLE-ELECTRON AND DOUBLE-ELECTRON CAPTURE IN HE-3(2+)-H2 COLLISIONS AT LOW ENERGIES FROM 1 TO 2000 EV

被引：20

作者：

OKUNO, K

SOEJIMA, K

KANEKO, Y

机构：

[1] Department of Physics, Tokyo Metropolitan University, Tokyo, 192-03, I-I Minami-Ohsawa, Hachioji-shi

来源：

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 1992年 / 25卷 / 04期

关键词：

D O I：

10.1088/0953-4075/25/4/004

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The total attenuation cross section sigma(att) and the single-electron capture cross section sigma(21) in collisions of He-3(2+) with H-2 have been measured using a tandem mass spectrometer whose collision cell consists of an octopole ion beam guide. A possible scattering loss which might contribute to sigma(att) is examined, and a large part of the difference sigma(att) - sigma(21) is attributed to the double-electron capture process. As its magnitude is as large as 10(-15) cm2 at the lowest energy studied, the importance of the process is emphasized in connection with the production of fast protons through Coulomb explosion of H-2(2+).

引用

页码：L105 / L108

页数：4

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