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Sargis Ter-Avetisyan
초강력 레이저과학 연구단
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New source of MeV negative ion and neutral atom beams

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Title
New source of MeV negative ion and neutral atom beams
Author(s)
S. Ter-Avetisyan; Braenzel J.; Schnürer M.; Prasad R.; Borghesi M.; Jequier S.; Tikhonchuk V.
Publication Date
2016-02
Journal
REVIEW OF SCIENTIFIC INSTRUMENTS, v.87, no.2, pp.02B134 -
Publisher
AMER INST PHYSICS
Abstract
The scenario of electron-capture and -loss was recently proposed for the formation of negative ion and neutral atom beams with MeV kinetic energies. However, it does not explain why the formation of negative ions in a liquid spray is much more efficient than with an isolated atom. The role of atomic excited states in the charge-exchange processes is considered, and it is shown that it cannot account for the observed phenomena. The processes are more complex than the single electron-capture and -loss approach. It is suggested that the shell effects in the electronic structure of the projectile ion and/or target atoms may influence the capture/loss probabilities. © 2015 AIP Publishing LLC
URI
https://pr.ibs.re.kr/handle/8788114/1817
ISSN
0034-6748
Appears in Collections:
Center for Relativistic Laser Science(초강력 레이저과학 연구단) > Journal Papers (저널논문)
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