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Spin Excitations in Pion Inelastic Scattering

  • S. J. Seestrom-Morris
  • D. B. Holtkamp
  • W. B. Cottingame

Abstract

During the last few years a large amount of pion-nucleus (π-A) inelastic scattering data has been obtained with high-flux, high-resolution facilities such as the SUSI spectrometer at SIN and the EPICS spectrometer at LAMPF. The early studies for the most part concentrated on strong transitions to low-lying collective states. These studies have been reviewed in part in Ref. 1. One unanticipated feature of π-A inelastic scattering that has become evident as the scope of studies has increased is the strong excitation of high-spin stretched states in light nuclei. By stretched states we mean those whose total angular momentum is the maximum achievable in a 1hω particle-hole excitation. Transitions to stretched states have now been observed in almost all p-shell nuclei that have been studied, as well as in 28Si.2-8

Keywords

Angular Distribution Excitation Function Transition Density Spectroscopic Factor Spin Excitation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

  1. 1.
    D. Dehnhard, Nucl. Phys. A374, 377c (1982).ADSGoogle Scholar
  2. 2.
    W. B. Cottingame, to be published.Google Scholar
  3. 3.
    S. J. Seestrom-Morris, D. Dehnhard, M. A. Franey, G. S. Kyle, C. L. Morris, R. L. Boudrie, J. Piffaretti, and H. A. Thiessen, Phys. Rev. C26, 594 (1982).ADSGoogle Scholar
  4. 4.
    C. Olmer, B. Zeidman, D. F. Geesaman, T.-S. H. Lee, R. E. Segel, R. L. Boudrie, G. S. Blanpied, L. W. Swenson, H. A. Thiessen, C. L. Morris, and R. E. Anderson, Phys. Rev. Lett. 43, 612 (1979).ADSCrossRefGoogle Scholar
  5. 5.
    D. B. Holtkamp, W. J. Braithwaite, S. J. Greene, R. J. Joseph, C. F. Moore, C. L. Morris, J. Piffaretti, E. R. Siciliano, H. A. Thiessen, and D. Dehnhard, Phys. Rev. Lett. 45, 420 (1980).ADSCrossRefGoogle Scholar
  6. 6.
    D. B. Holtkamp, S. J. Seestrom-Morris, S. Chakravarti, D. Dehnhard, H. W. Baer, C. L. Morris, S. J. Greene, and C. J. Harvey, Phys. Rev. Lett. 47, 216 (1981).ADSCrossRefGoogle Scholar
  7. 7.
    D. F. Geesaman, K. Kurath, G. C. Morrison, C. Olmer, B. Zeidman, R. E. Anderson, R. L. Boudrie, H. A. Thiessen, G. S. Blanpied, G. R. Burleson, R. E. Segal, L.W. Swenson, Phys. Rev. C27, 1134 (1983).ADSGoogle Scholar
  8. 8.
    D. F. Geesaman, B. Zeidman, P. Zupransky, R. E. Segel, C. L. Morris, R. L. Boudrie, S. Greene, B. G. Ritchie, G. S. Blanpied, C. J. Harvey, L. W. Swenson, G. C. Morrison, Abstracts of Cont. Papers, IV ICOHEPANS, July 1981, 302.Google Scholar
  9. 9.
    D. S. Koltun, in Advances in Nuclear Science, Vol. 3, Ed. by M. Baranger and E. Vogt, pp.71,ff (Plenum Press, 1969).Google Scholar
  10. 10.
    F. Petrovich and W. G. Love, Nucl. Phys. A354, 499c (1981).ADSGoogle Scholar
  11. 11.
    C. L. Morris, J. Piffaretti, H. A. Thiessen, W. B. Cottingame, W. J. Braithwaite, R. J. Joseph, I. B. Moore, D. B. Holtkamp, C. J. Harvey, S. J. Greene, C. F. Moore, R. L. Boudrie, and R. J. Peterson, Phys. Lett. 86B, 31 (1979).ADSGoogle Scholar
  12. 12.
    C. Fred Moore, W. Cottingame, K. G. Boyer, L. E. Smith, C. Harvey, W. J. Braithewaite, C. L. Morris, H. A. Thiessen, J. F. Amann, M. Devereux, G. Blanpied, G. Burleson, A. W. Obst, S. Iversen, K. K. Seth, R. L. Boudrie, and R. J. Peterson, Phys. Lett. 80B, 38 (1978).ADSGoogle Scholar
  13. 13.
    W. Cottingame, K. Allbright, S. Greene, C. Harvey, D. B. Holtkamp, R. J. Joseph, I. B. Moore, C. F. Moore, J. Piffaretti, C. L. Morris, N. King, R. L. Boudrie, J. Kraushaar, R. J. Peterson, B. Ristinen, and G. R. Smith, Bull. Am. Phys. Soc. 24, 821 (1979).Google Scholar
  14. 14.
    E. R. Siciliano and G. E. Walker, Phys. Rev. C23, 2661 (1981).ADSGoogle Scholar
  15. 15.
    D. Dehnhard, S. J. Tripp, M. A. Franey, G. S. Kyle, C. L. Morris, R. L. Boudrie, J. Piffaretti, and H. A. Thiessen, Phys. Rev. Lett. 43, 1091 (1979).ADSCrossRefGoogle Scholar
  16. 16.
    S. J. Seestrom-Morris, Ph.D. dissertation, University of Minnesota (1981) and Los Alamos Report LA-8916-T.Google Scholar
  17. 17.
    S. J. Seestrom-Morris, D. Dehnhard, D. B. Holtkamp, and C. L. Morris, Phys. Rev. Lett. 46, 1447 (1981).ADSCrossRefGoogle Scholar
  18. 18.
    R. S. Hicks, R. A. Lindgren, B. Parker, G. A. Peterson, H. A. Thiessen, H. Crannel, D. Sober, Proceedings of the Workshop on Nuclear Structure with Intermediate Energy Probes, Los Alamos, Ed. H. A. Thiessen, 292 (1980).Google Scholar
  19. 19.
    P. Zupransky, private communication.Google Scholar
  20. 20.
    R. A. Eisenstein and G. A. Miller, Comp. Phys. Comm. 11, 95 (1976).ADSCrossRefGoogle Scholar
  21. 21.
    J. A. Carr, F. Petrovich, W. B. Cottingame, and D. B. Holtkamp, Phys. Rev. C27, 1636 (1983).ADSGoogle Scholar
  22. 22.
    M. A. Franey, private communication.Google Scholar
  23. 23.
    S. J. Seestrom-Morris, M. A. Franey, D. Dehnhard, D. B. Holtkamp, J. F. Amann, R. L. Boudrie, and C. A. Goulding, to be published.Google Scholar
  24. 24.
    D. B. Holtkamp, S. J. Seestrom-Morris, D. Dehnhard, H. W. Baer, C. L. Morris, S. J. Greene, and C. J. Harvey, to be published.Google Scholar
  25. 25.
    D. J. Millener, private communication.Google Scholar
  26. 26.
    F. Petrovich, W. G. Love, A. Picklesimer, G. E. Walker, and E. R. Siciliano, Phys. Lett. 95B, 166 (1980).ADSGoogle Scholar
  27. 27.
    C. L. Morris, R. L. Boudrie, J. Piffaretti, W. B. Cottingame, W. J. Braithwaite, S. J. Greene, C. J. Harvey, D. B. Holtkamp, C. Fred Moore, and S. J. Seestrom-Morris, Phys. Lett. 99B, 387 (1981).ADSGoogle Scholar
  28. 28.
    C. L. Morris, W. B. Cottingame, S. J. Greene, C. J. Harvey, C. Fred Moore, D. B. Holtkamp, S. J. Seestrom-Morris, and H. T. Fortune, Phys. Lett. 108B, 172 (1982).ADSGoogle Scholar
  29. 29.
    C. L. Morris, these proceedings.Google Scholar
  30. 30.
    S. J. Seestrom-Morris, C. L. Morris, D. B. Holtkamp, D. Dehnhard, C. Blilie, D. Gay, and H. T. Fortune, to be published.Google Scholar
  31. 31.
    The program ARPIN, written by T.-S. H. Lee, unpublished.Google Scholar
  32. 32.
    C. Fred Moore, private communication.Google Scholar

Copyright information

© Plenum Press, New York 1984

Authors and Affiliations

  • S. J. Seestrom-Morris
    • 1
  • D. B. Holtkamp
    • 2
  • W. B. Cottingame
    • 3
  1. 1.Los Alamos National LaboratoryLos AlamosUSA
  2. 2.University of MinnesotaMinneapolisUSA
  3. 3.New Mexico State UniversityLas CrucesUSA

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