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K- and L-shell resonant transfer and excitation in ion-atom collisions. [Resonant transfer]

Conference ·
OSTI ID:6733509
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Recent experimental studies of resonant transfer and excitation (RTE) in ion-atom collisions are reviewed. In the RTE process correlated electron capture and projectile excitation occur together in a single encounter with a target atom. Measurements of Ca/sup q+/ + H/sub 2/ (q = 10 to 19) from 100 to 370 MeV establish the projectile charge-state dependence of K-shell RTE and provide a detailed test of the theory. Structure due to RTE is observed in the energy dependence of the total electron-capture cross sections for this collision system. A comparison of the Ca/sup 17 +/ + H/sub 2/ data with previous results for Ca/sup 17 +/ + He demonstrates the effect of the target-electron momentum distribution on the RTE process. Studies of 230 to 610 MeV Nb/sup 31 +/ + H/sub 2/ provide information about RTE involving agreement with theoretical calculations. 15 refs., 4 figs.
Research Organization:
Western Michigan Univ., Kalamazoo (USA). Dept. of Physics; Ulster Univ., Coleraine (UK). Dept. of Physics; Missouri Univ., Rolla (USA). Dept. of Physics; Wesleyan Univ., Middletown, CT (USA). Dept. of Physics; North Carolina State Univ., Raleigh (USA). Dept. of Physics; Louisiana State Univ., Baton Rouge (USA). Dept. of Physics
DOE Contract Number:
AC02-83ER13116
OSTI ID:
6733509
Report Number(s):
CONF-861114-54; ON: DE87005808
Country of Publication:
United States
Language:
English

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Related Subjects

640304* -- Atomic
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
ATOM COLLISIONS
CALCIUM IONS
CHARGED PARTICLES
COLLISIONS
CROSS SECTIONS
DATA
ELEMENTS
ENERGY RANGE
ENERGY TRANSFER
ENERGY-LEVEL TRANSITIONS
EXCITATION
EXPERIMENTAL DATA
HYDROGEN
INFORMATION
ION COLLISIONS
ION-ATOM COLLISIONS
IONS
MEV RANGE
MEV RANGE 100-1000
MULTICHARGED IONS
NIOBIUM IONS
NONMETALS
NUMERICAL DATA