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K-shell ionization in 7.5- and 8.6-MeV/a.m.u. U+U collisions at very small impact parameters

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Zeitschrift für Physik D Atoms, Molecules and Clusters

Abstract

K-vacancy production probabilities in elastic 7.5- and 8.6-MeV/a.m.u. U+U collisions are reported for impact parameters less than 15 fm. In 7.5-MeV/a.m.u. U+U collisions the ionization probability rises above the trend indicated by larger impact parameter measurements, increasing to 1.8 vacancies per collision at the smallest impact parameter. The measured probabilities for 8.6-MeV/a.m.u. collisions increase to a maximum value of slightly less than 2 vacancies per collision at the smallest impact parameters. The data is compared to previous results and existing theory.

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Author notes

  1. Ch. Stoller

    Present address: the Physics Department, San Jose State University, 95192, San Jose, CA, USA

  2. L. G. Sobotka

    Present address: Washington University, 63130, St. Louis, MO, USA

  3. E. Morenzoni

    Present address: Swiss Institute for Nuclear Research, CH-5234, Villigen, Switzerland

Authors and Affiliations

  1. Department of Physics, Stanford University, Stanford, California, USA

    J. D. Molitoris, Ch. Stoller, R. Anholt, W. E. Meyerhof & D. W. Spooner

  2. Nuclear Science Division, Lawrence Berkeley Laboratory, University of California, Berkeley, California, USA

    R. J. McDonald, L. G. Sobotka, G. J. Wozniak, L. G. Moretto & M. A. McMahan

  3. Laboratorium für Kernphysik, Eidg. Technische Hochschule, Zürich, Switzerland

    E. Morenzoni, M. Nessi & W. Wölfli

Authors
  1. J. D. Molitoris
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  2. Ch. Stoller
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  3. R. Anholt
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  4. W. E. Meyerhof
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  5. D. W. Spooner
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  6. R. J. McDonald
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  7. L. G. Sobotka
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  8. G. J. Wozniak
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  9. L. G. Moretto
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  10. M. A. McMahan
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  11. E. Morenzoni
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  12. M. Nessi
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  13. W. Wölfli
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Additional information

⋆ Supported in part by the National Science Foundation (Grant PHY-83-13676) and the Department of Energy (Contract No. DEAC03-76SF00098)

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Molitoris, J.D., Stoller, C., Anholt, R. et al. K-shell ionization in 7.5- and 8.6-MeV/a.m.u. U+U collisions at very small impact parameters. Z Phys D - Atoms, Molecules and Clusters 2, 91–98 (1986). https://doi.org/10.1007/BF01438230

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  • DOI: https://doi.org/10.1007/BF01438230

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