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Plasma-screening effects on positronium formation
Alternative TitlePlasma-screening effects on positronium formation
Ma Jia1; Wang YuanCheng2; Zhou YaJun3; Wang Heng1
2018
Source PublicationCHINESE PHYSICS B
ISSN1674-1056
Volume27Issue:1
AbstractPlasma-screening effects on positronium (Ps) formation for positron-hydrogen collisions in a Debye plasma environment is further investigated using the screening approximation model with the inclusion of the modified structure of Ps. More accurate Ps formation cross sections (n = 1, 2) are obtained for various Debye lengths from the Ps formation thresholds to 50 eV. The influence of considering modified bound-state wave functions and eigenenergies for the Ps is found to result in the reduction of the Ps formation cross sections at low energies, whereas it cannot counteract the enhancement of the Ps formation by the Debye screening.
Other AbstractPlasma-screening effects on positronium (Ps) formation for positron–hydrogen collisions in a Debye plasma environment is further investigated using the screening approximation model with the inclusion of the modified structure of Ps. More accurate Ps formation cross sections (n = 1, 2) are obtained for various Debye lengths from the Ps formation thresholds to 50 eV. The influence of considering modified bound-state wave functions and eigenenergies for the Ps is found to result in the reduction of the Ps formation cross sections at low energies, whereas it cannot counteract the enhancement of the Ps formation by the Debye screening.
KeywordSCATTERING CONTINUUM plasma-screening effect positron scattering positronium formation
Indexed ByCSCD
Language英语
Funding Project[National Natural Science Foundation of China] ; [Doctoral Program Foundation of Shenyang Aerospace University, China]
CSCD IDCSCD:6194474
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/143904
Collection中国科学院金属研究所
Affiliation1.中国科学院金属研究所
2.沈阳师范大学
3.中山大学
Recommended Citation
GB/T 7714
Ma Jia,Wang YuanCheng,Zhou YaJun,et al. Plasma-screening effects on positronium formation[J]. CHINESE PHYSICS B,2018,27(1).
APA Ma Jia,Wang YuanCheng,Zhou YaJun,&Wang Heng.(2018).Plasma-screening effects on positronium formation.CHINESE PHYSICS B,27(1).
MLA Ma Jia,et al."Plasma-screening effects on positronium formation".CHINESE PHYSICS B 27.1(2018).
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