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Positron creation probabilities in low-energy heavy-ion collisions

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Abstract

The previously developed technique for calculation of ionization probabilities in low-energy heavy-ion collisions [A.I. Bondarev et al., Phys. Scr. T156, 014054 (2013)] is extended to evaluation of positron creation probabilities. The differential probabilities are evaluated by two alternative methods. The first one uses hydrogenic continuum wave functions, while the second one uses discretized continuum wave functions corresponding to a finite basis expansion. These methods are applied to the calculation of the differential positron creation probabilities in the U91 +(1s)-U92+ collision. The results obtained by both methods are found in good agreement.

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Authors and Affiliations

  1. Department of Physics, St. Petersburg State University, Ulianovskaya 1, Petrodvorets, 198504, St. Petersburg, Russia

    Andrey I. Bondarev, Ilya I. Tupitsyn, Ilia A. Maltsev & Yury S. Kozhedub

  2. SSC RF ITEP of NRC “Kurchatov Institute”, Bolshaya Cheremushkinskaya 25, 117218, Moscow, Russia

    Ilia A. Maltsev & Yury S. Kozhedub

  3. Institut für Theoretische Physik, Technische Universität Dresden, Mommsenstrasse 13, 01062, Dresden, Germany

    Günter Plunien

Authors
  1. Andrey I. Bondarev
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  2. Ilya I. Tupitsyn
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  3. Ilia A. Maltsev
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  4. Yury S. Kozhedub
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  5. Günter Plunien
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Corresponding author

Correspondence to Andrey I. Bondarev.

Additional information

Contribution to the Topical Issue “Elementary Processes with Atoms and Molecules in Isolated and Aggregated States”, edited by Friedrich Aumayr, Bratislav Marinkovic, Štefan Matejčik, John Tanis, Kurt H. Becker.

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Bondarev, A.I., Tupitsyn, I.I., Maltsev, I.A. et al. Positron creation probabilities in low-energy heavy-ion collisions. Eur. Phys. J. D 69, 110 (2015). https://doi.org/10.1140/epjd/e2015-50783-6

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  • DOI: https://doi.org/10.1140/epjd/e2015-50783-6

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