Observation of interference in charge exchange scattering in He2++He+ collisions

被引：10

作者：

Krudener, S ^{[1
]}

Melchert, F ^{[1
]}

VonDiemar, K ^{[1
]}

Pfeiffer, A ^{[1
]}

Huber, K ^{[1
]}

Salzborn, E ^{[1
]}

Uskov, DB ^{[1
]}

Presnyakov, LP ^{[1
]}

机构：

[1] PN LEBEDEV PHYS INST,MOSCOW 117924,RUSSIA

来源：

PHYSICAL REVIEW LETTERS | 1997年 / 79卷 / 06期

关键词：

D O I：

10.1103/PhysRevLett.79.1002

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report the first observation of interference in charge exchange collisions between two ions. Employing the crossed-beams technique in conjunction with signal recovery methods, angular differential cross sections have been measured for charge transfer in He2+ + He+ collisions at barycentric energies between 0.5 and 10.2 keV. The oscillatory structure observed is in agreement with quantum calculations and can be interpreted in terms of interference between scattering into gerade and ungerade molecular states, which arise due to the identity of the nuclear charges.

引用

页码：1002 / 1005

页数：4

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