V. Frohne et al., MEASUREMENTS OF RECOIL AND PROJECTILE MOMENTUM DISTRIBUTIONS FOR 19-MEV F9++NE COLLISIONS, Physical review. A, 53(4), 1996, pp. 2407-2416
The collision system of 19-MeV F9+ on Ne has been studied using recoil
and projectile momentum spectroscopy. For each event, identified by f
inal recoil and projectile charge state, the three-dimensional momentu
m vector of the recoil ion and the transverse momentum vector of the p
rojectile ion were measured. The transverse momenta of the recoil and
projectile ions were found to be equal in magnitude and opposite in di
rection, indicating that the transverse momentum exchange is dominated
by interactions between the two ion cores. The transverse momentum di
stributions are well described by nCTMC calculations. The longitudinal
momentum distributions of the recoil ions show that a large fraction
of the momentum transferred to the projectile is carried off by contin
uum electrons. The recoil ions are scattered slightly backward, in par
tial agreement with predictions of nCTMC calculations.