Positron creation probabilities in low-energy heavy-ion collisions

被引：9

作者：

Bondarev, Andrey I. ^{[1
]}

Tupitsyn, Ilya I. ^{[1
]}

Maltsev, Ilia A. ^{[1
,2
]}

Kozhedub, Yury S. ^{[1
,2
]}

Plunien, Guenter ^{[3
]}

机构：

[1] St Petersburg State Univ, Dept Phys, St Petersburg 198504, Russia

[2] SSC RF ITEP NRC Kurchatov Inst, Moscow 117218, Russia

[3] Tech Univ Dresden, Inst Theoret Phys, D-01062 Dresden, Germany

来源：

EUROPEAN PHYSICAL JOURNAL D | 2015年 / 69卷 / 04期

关键词：

IONIZATION; EQUATIONS; LATTICE;

D O I：

10.1140/epjd/e2015-50783-6

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The previously developed technique for calculation of ionization probabilities in low-energy heavy-ion collisions [A.I. Bondarev et al., Phys. Scr. T156, 014054 (2013)] is extended to evaluation of positron creation probabilities. The differential probabilities are evaluated by two alternative methods. The first one uses hydrogenic continuum wave functions, while the second one uses discretized continuum wave functions corresponding to a finite basis expansion. These methods are applied to the calculation of the differential positron creation probabilities in the U91+(1s)-U92+ collision. The results obtained by both methods are found in good agreement.

引用

页数：5

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