J. Steiger et al., OBSERVATION OF SEQUENTIAL ELECTRON-CAPTURE TO INDIVIDUAL HIGHLY-CHARGED TH IONS, Hyperfine interactions, 108(1-3), 1997, pp. 115-119
Electron transfer from H-2 to Th79+ was studied in a cryogenic Penning
trap by nondestructively observing the sequential development with ti
me of the charge state of one or a few stored particles. The ratio of
the true double capture cross section to the total capture cross secti
on was found to be 0.21 +/- 0.11 at a mean center-of-mass energy near
6 eV.