By Dr. Alexander Voitkiv, Professor Dr. Joachim Ullrich (auth.)
The e-book reports the growth completed over the past decade within the learn of collisions among an ion and an atom during which either the atomic debris hold electrons and will endure transitions among their inner states -- together with continua. It provides the targeted issues of alternative theoretical ways, that may be used to explain collisions of dependent atomic debris for the very vast period of influence energies starting from 0.5--1 MeV/u until eventually severe relativistic energies the place the collision pace very heavily ways the rate of sunshine.
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Additional resources for Relativistic Collisions of Structured Atomic Particles
Example text
Results of the CTMC calculations performed by the authors of [60] are in surprisingly good agreement with their experimental data. Compared to the exploration of the total cross sections, much more information about the various mechanisms, which govern the projectile–target collisions, can be obtained by studying differential cross sections. During the last two decades experimental techniques have reached quite a high level of sophistication [61, 62]. In particular, in the study of ion–atom collisions these techniques enable one to detect in coincidence electrons emitted from the projectile and the target and the target recoil ions.
The key approximations of the Glauber approach for collisions between composite atomic systems are [9, 54–55] ki a0 1, Ei V and a0 ∆ε v 1. 47) Here ki = M v and Ei are the incident momentum and energy of the relative motion, respectively, M is the reduced mass of the relative motion. u. is the dimension of the neutral atom), and ∆ε is the difference between final and initial internal electron energies of the colliding systems. 47) represent the “short wavelength” (semiclassical) condition and the “high-energy” requirement, respectively [9, 53].
6 MeV u−1 C5+ (1s)+He(1s2 ) →C6+ +He+ (1s) + 2e− collisions. 17). Dash curve: the first Born result. 17) neglecting the two-center dielectronic interaction. 17) neglecting the interaction between the projectile electron and the target nucleus. Dash–dot–dot curve: the sum of the dot and dash–dot curves. 28 3 Considerations Beyond First Order Perturbation Theory electron–nucleus interactions and reflects the fact that in this reaction channel the target electron does not get a large recoil in the forward direction since the momentum transfer necessary to remove the tightly bound projectile electron is provided by the target core.