Pion Bremsstrahlung in subthreshold heavy ion collisions

  • W. Greiner
Conference paper
Part of the Lecture Notes in Physics book series (LNP, volume 231)


Deceleration Parameter Pion Production Neutral Pion Pion Yield Pion Radiation 
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  1. 1.
    H. Gemmel and H. A. Kastrup, Nucl. Phys. B14 (1969), 566CrossRefGoogle Scholar
  2. 2a.
    D. Vasak, B. Müller and W. Greiner, Phys. Scr. 22 (1980), 25Google Scholar
  3. 2b.
    D. Vasak, H. Stöcker, B. Müller and W. Greiner, Phys. Lett. 93B (1980), 243Google Scholar
  4. 3.
    In this point our model is not entirely a classical model: spin has no classical counterpart. The fluctuations are in principle calculable only in a full microscopic treatment of the collision. A reasonable approximation could also be obtained by inclusion of the spin-isospin degrees of freedom in a hydrodynamical calculation. Here we define an “effective” spin representing the spin density averaged over the space-time history of the fluctuations.Google Scholar
  5. 4a.
    W. Benenson et al., Phys. Rev. Lett. 43 (1979),683 and 44(1980),54ECrossRefGoogle Scholar
  6. 4b.
    J. Julien: Subthreshold Pion Production by Heavy Ions, paper presented at the 3rd. International Conference on Nuclear Reaction Mechanisms, Varenna, 1982Google Scholar
  7. 4c.
    B. Jakobsson: Proc. of the Nordic Meeting on Nuclear Physics, Fuglso, Denmark, 1982Google Scholar
  8. 4d.
    T. Johansson et al., Phys. Rev. Lett. 483 (1982), 732CrossRefGoogle Scholar
  9. 4e.
    J. P. Sullivan et al., Phys. Rev. 25C (1982), 1499Google Scholar
  10. 5.
    H. Noll et al.: GSI Scientific Report, 1982, p. 32; E. Grosse, Proc. of the International Workshop on Gross Properties of Nuclei and Nuclear Excitations XI, Hirschegg, Austria, 1983, p.65 and private communication; Ch. Michel, Proc. of the XXI International Winter Meeting on Nuclear Physics, Bormio, Italy, 1983, p.539Google Scholar
  11. 6.
    H. Noll et al., Proc. of the International Conference on Nuclear Physics, Florence, Italy, 1983, p. 682Google Scholar
  12. 7.
    P. Braun-Munzinger et al.: Pion Production in Heavy Ion Collisions at Elab/A = 35 MeV, to be publishedGoogle Scholar
  13. 8.
    G. Buchwald, G. Graebner, J. Theis, J. A. Maruhn, W. Greiner and H. Stöcker, Phys. Rev. C28 (1983), 1119, and private communicationGoogle Scholar
  14. 9.
    The parameter po in the form factor Aexp(−p2 (1−vi2cos2ϑ)/po2) has the form po∼1/RI where RI is the size of the reaction zone. In this model 0 R|∼Rc, i.e., equal to the half-density width of the compressed nucleus. 0Google Scholar
  15. 10a.
    G. F. Chapline, M. H. Johnson, E. Teller and M. S. Weiss, Phys. Rev. D8 (1973), 4302Google Scholar
  16. 10b.
    W. Scheid, H. Müller and W. Greiner, Phys. Rev. Lett. 32 (1974), 741CrossRefGoogle Scholar
  17. 10c.
    H. Stöcker, G. Graebner, J. A. Maruhn, and W. Greiner, Phys. Lett. 95B (1980), 192Google Scholar
  18. 11.
    S. Nagamiya et al., Phys. Rev. C24 (1981), 971Google Scholar
  19. 12.
    J. D. Jackson: Classical Electrodynamics, J. Wiley & Sons, New York, 1975Google Scholar
  20. 13.
    J. J. Reinhardt, G. Soff and W. Greiner, Z. Phys. A276 (1976), 285Google Scholar
  21. 14.
    H. P. Trautvetter, J. S. Greenberg and P. Vincent, Phys. Rev. Lett. 37 (1976), 202CrossRefGoogle Scholar
  22. 15.
    G. F. Bertsch, Phys. Rev. C15 (1977), 713Google Scholar
  23. 16.
    J. M. Eisenberg, D. S. Koltun: Theory of Meson Interactions in Nuclei, J. Wiley & Sons, New York, 1980, p. 117Google Scholar
  24. 17.
    G. Soff, J. Reinhardt, B. Müller and W. Greiner, Z. Phys. A294 (1980), 137, and private communication *** DIRECT SUPPORT *** A3418187 00004Google Scholar

Copyright information

© Springer-Verlag 1985

Authors and Affiliations

  • W. Greiner
    • 1
  1. 1.Institute für Theoretische PhysikJ.W. Goethe Universität FrankfurtWest Germany

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