Kollmus H, Moshammer R, Olson R E, Hagmann S, Schulz M, Ullrich J
Max-Planck-Institut für Kernphysik, Saupfercheckweg 1, 69117 Heidelberg, Germany.
Phys Rev Lett. 2002 Mar 11;88(10):103202. doi: 10.1103/PhysRevLett.88.103202. Epub 2002 Feb 25.
A kinematically complete experiment for simultaneous ionization of a projectile and target has been performed for 3.6 MeV/u C2+ on He collisions measuring the final vector momenta of the He1+ recoil ion and of two electrons (projectile, target) in coincidence with the emerging C3+ projectile. The feasibility of an event-by-event separation of the various reaction channels, among them the ionization of C2+ by the interaction with a quasifree target electron, is demonstrated in agreement with six-body classical trajectory Monte Carlo calculations, paving the way to kinematically complete electron-ion scattering experiments.
利用3.6 MeV/u的C2+与He碰撞，进行了一个运动学完备的实验，该实验用于同时电离入射粒子和靶，测量了He1+反冲离子以及两个电子（入射粒子、靶）的末态矢量动量，并与出射的C3+入射粒子符合测量。结果表明，通过逐个事件分离各种反应通道（包括C2+与准自由靶电子相互作用产生的电离）是可行的，这与六体经典轨迹蒙特卡罗计算结果相符，为运动学完备的电子-离子散射实验铺平了道路。
