Dielectronic processes producing radiative stabilization in slow Ne10++He collisions

被引:21
作者
Chesnel, JY [1 ]
Merabet, H [1 ]
Fremont, F [1 ]
Cremer, G [1 ]
Husson, X [1 ]
Lecler, D [1 ]
Rieger, G [1 ]
Spieler, A [1 ]
Grether, M [1 ]
Stolterfoht, N [1 ]
机构
[1] HAHN MEITNER INST BERLIN GMBH, BEREICH FESTKORPERPHYS, D-14109 BERLIN, GERMANY
来源
PHYSICAL REVIEW A | 1996年 / 53卷 / 06期
关键词
D O I
10.1103/PhysRevA.53.4198
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Different contributions to radiative stabilization in Ne10++He collisions at projectile energies of 10 and 150 keV are studied. For both energies, radiative stabilization is found to be equal to approximate to 0.3 when referred to the total double capture. In Ne10++He collisions doubly excited states 3lnl' and 41nl' (n greater than or equal to 4) are either produced by uncorrelated two-electron transitions or by dielectronic mechanisms due to electron-electron interaction. A strong contribution (approximate to 0.15) to the stabilization follows from the decay of near-equivalent electrons 3lnl' and 41nl'(n=4,5). Another major contribution (0.10-0.25) to stabilization is due to the decay of configurations 3lnl' (n greater than or equal to 6) of nonequivalent electrons produced by the dielectronic process of autoexcitation. A small contribution is found to be due to the configurations 3lnl' (n>9) created by dielectronic phenomena in the postcollisional and asymptotic regions (approximate to 0.04).
引用
收藏
页码:4198 / 4204
页数:7
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