X-ray emission in heavy-ion collisions. Progress report, April 1, 1980-February 28, 1981. [Cyclotron Inst. , Texas A and M Univ. , College Station, 4/1/80-2/28/81]
During the past year, work on x-ray emission in heavy-ion collisions has concentrated on the following topics: environmental influences on the K..cap alpha.. x-ray spectra of 65-MeV sulfur ions traveling in solids; multiplet structure of few-electron sulfur ions; multiplet structure of Mg K..cap alpha.. x-ray satellites; polarization of 1s2p..-->..1s/sup 2/ transitions in He-like sulfur ions; and interatomic electron transfer in ionic fluorine compounds following 1s2p vacancy production. Among the most significant accomplishments of the program was a study of the dependence of dynamic screening energy shifts on electron density. It was found that the shifts measured for the 2/sup 1/P..-->..1/sup 1/S and 2/sup 2/P..-->..1/sup 2/S x-ray transitions of He- and H-like sulfur ions (respectively) were in remarkably good agreement with theoretical expectations. Another interesting discovery evolved from measurements of fluorine K..cap alpha.. x-ray spectra for the alkali metal and alkaline earth fluorides using 5.5-MeV He/sup +/ ions. The systematics of these spectra provide the first evidence for direct electron transfer between inner levels of neighboring atoms in a solid. 10 figures, 3 tables. (RWR)
- Research Organization:
- Texas A and M Univ., College Station (USA). Dept. of Chemistry
- DOE Contract Number:
- AS05-78ER06036
- OSTI ID:
- 6562459
- Report Number(s):
- DOE/ER/06036-1
- Country of Publication:
- United States
- Language:
- English
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