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U.S. Department of Energy
Office of Scientific and Technical Information

X-ray emission in heavy-ion collisions. Progress report, March 1, 1982-March 1, 1983

Technical Report ·
OSTI ID:5960514
A major project involving the study of electron transfer in fluorine compounds following multiple K-plus L-shell ionization by 5.5 MeV He, 22 MeV C, 48 MeV Mg, and 80 MeV Ar ions was completed. This comprehensive investigation, which began three years ago, uncovered a resonant electron transfer mechanism, provided the first quantitative estimates of electron transfer rates, and revealed the importance of fast electron transfer to n greater than or equal to 3 states in solid compounds. Considerable progress was made in delineating the effects of solid state environment on x-ray emission from highly stripped projectile ions. A surprising result in this project area was the discovery of lines associated with states involving n = 3 electrons in 48 MeV Mg projectile x-ray spectra obtained with thick carbon targets. Work was completed on a study of the alignment of foil-excited H- and He-like states in 65 MeV sulfur ions. These measurements are being extended to Magnesium ions with the intention of searching for surface and tilted foil effects. The report contains a summary of the research activities supported by this contract during the 1981 to 1982 contract year.
Research Organization:
Texas A and M Univ., College Station (USA). Cyclotron Inst.
DOE Contract Number:
AS05-78ER06036
OSTI ID:
5960514
Report Number(s):
DOE/ER/06036-T1; ON: DE83008776
Country of Publication:
United States
Language:
English