Charge transfer in heavy-ion collisions at relativistic velocities

Jakubaßa-Amundsen, Doris H.; Amundsen, Per Amund

doi:10.1007/bf01416023

Cited by 29 publications

(1 citation statement)

References 12 publications

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“…One approach, specifically tailored for very light target atoms, treats the process as inverse photoionization, with the target electron as almost free (Eichler 1990). The target atom is treated in the impulse approximation (Hino & Watanabe 1989;Ichihara et al 1994;Jakubassa-Amundsen & Amundsen 1980;Kleber & Jakubassa 1974) as the source of the electronic momentum distribution and some initial binding energy. Results obtained with this model have given good agreement with the angular distribution of the ejected photons (Stöhlker et al 1994(Stöhlker et al , 1995, though the theory is not designed to account for electron correlation or relativistic target structure (Grant 1984).…”

Section: Introductionmentioning

confidence: 99%

Radiative electron capture by relativistic heavy ions

Gläß

McCann

Crothers

et al. 1997

Proc. R. Soc. Lond. A

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We present a direct method for calculation of radiative electron capture (REC) X-ray emission in relativistic ion-atom collisions. Results obtained within the distortedwave impulse approximation (DWIA) are compared with recent experimental data for the collisions of heavy ions with light atoms. Simple closed analytic formulae are derived for small αZ describing the polarization and the angular distribution of radiation.Good agreement with recent experiments is found for photoemission rates and angular distributions. Our results for helium and beryllium targets indicate that the photon spectrum is rather insensitive to target structure, but strongly dependent on multiple-scattering corrections, and this contradicts other recent theoretical predictions. In asymmetric collisions our results are in broad agreement with experiment and relativistic impulse approximation (RIA) calculations. Through detailed analysis of magnetic transitions in terms of the electron and photon polarization correlation parameters, important new features are introduced and discussed.

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