Energy dependence of the metastable fraction in B3+(1s(2) S-1,1s2S S-3) beams produced in collisions with thin-foil and gas targets
| dc.contributor.author | Zamkov, M. | en |
| dc.contributor.author | Aliabadi, H. | en |
| dc.contributor.author | Benis, E. P. | en |
| dc.contributor.author | Richard, P. | en |
| dc.contributor.author | Tawara, H. | en |
| dc.contributor.author | Zouros, T. J. M. | en |
| dc.date.accessioned | 2015-11-24T18:29:12Z | |
| dc.date.available | 2015-11-24T18:29:12Z | |
| dc.identifier.issn | 1050-2947 | - |
| dc.identifier.uri | https://olympias.lib.uoi.gr/jspui/handle/123456789/16236 | |
| dc.rights | Default Licence | - |
| dc.subject | resonant transfer | en |
| dc.subject | electron-capture | en |
| dc.subject | excitation | en |
| dc.subject | ions | en |
| dc.subject | spectroscopy | en |
| dc.subject | fluorine | en |
| dc.subject | h-2 | en |
| dc.title | Energy dependence of the metastable fraction in B3+(1s(2) S-1,1s2S S-3) beams produced in collisions with thin-foil and gas targets | en |
| heal.abstract | The fraction of metastable ions in B3+ (1s(2) S-1.1s2s S-3) beams produced in collisions with thin-foil and.-as targets has been measured as a function of the incident energy in the range of 0.85-9 MeV. This was done by comparing the electron yield of doubly excited states formed in the collision of B3+ with hydrogen and helium targets. Significant differences were observed in the energy dependence of the metastable fraction between production in foil and gas targets. It was shown that the production of 1s2s S-3 metastable ions in a foil yields a constant fraction over the investigated energy range, unlike the fraction of metastable 1s2s S-3 ions produced in collisions with gas targets. which strongly depends on the incident beam energy. A theoretical study of the processes contributing to the formation of the S-3 metastable ions in collisions with foil and gas has been made. K-vacancy production in the ion-beam stripping process has been identified as a dominant mechanism and used to explain the observed difference in the energy dependence of the metastable fraction between production in collisions with gas and foil targets. A model is proposed for the calculation of the metastable fraction for He-like beams. | en |
| heal.access | campus | - |
| heal.fullTextAvailability | TRUE | - |
| heal.identifier.primary | Doi 10.1103/Physreva.64.052702 | - |
| heal.identifier.secondary | <Go to ISI>://000172074200042 | - |
| heal.identifier.secondary | http://pra.aps.org/abstract/PRA/v64/i5/e052702 | - |
| heal.journalName | Physical Review A | en |
| heal.journalType | peer reviewed | - |
| heal.language | en | - |
| heal.publicationDate | 2001 | - |
| heal.recordProvider | Πανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιών | el |
| heal.type | journalArticle | - |
| heal.type.el | Άρθρο Περιοδικού | el |
| heal.type.en | Journal article | en |
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