Research Papers in Physics and Astronomy


Date of this Version

September 1994


Published in Phys. Rev. A 50, 2292 - 2297 (1994) [Issue 3 – September 1994]. ©1994 The American Physical Society. Used by permission.


Experimental studies have been made of superelastic and inelastic collision processes involved in the state-selective single-electron capture reaction 3He2++He(1 1S)→ +He+(n)+He+(n’), where n and n’ are the final principal quantum-number states of the collision products. Total cross sections have been measured at projectile energies of 15, 30, and 45 keV/u, by examining the energy loss-gain of the fast 3He+ product ions, for the superelastic n=n’=1 channel, and for the sum of the inelastic n=2, n’=1 and n=1, n’=2 states. Measurements are also presented for Ne and Ar targets.

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