Quick Search:
Author: Title/Abstract: Vol./No: Page:

Prog. Theor. Phys. Vol. 68 No. 6 (1982) pp. 2014-2027

[ Full Text PDF : FREE ACCESS (676K) ]

Optical Model Analysis for Fusion Excitation Functions and Elastic Scatterings

Koichi Hatogai, Masahisa Ohta and Sueji Okai

Department of Physics, Konan University, Kobe 658

(Received June 5, 1982)

Abstract:

In heavy-ion fusion reaction, a short range imaginary potential WS is explicitly introduced as the effect of the compound nucleus formation. The parameters of WS obtained are found to be independent of scattering systems by analyzing experimental fusion excitation functions. For the elastic scattering, we add to the complex potential V+ iWS a long range imaginary potential WL due to direct reactions and find the resulting optical potential to be able to reproduce the experimental data of the angular distributions and excitation functions. The analysis for the fusion excitation functions has been carried out for the systems: 12C+12C, 14N+12C, 16O+12C, 16O+16O, 16O+24Mg, 16O+27Al, 16O+40Ca, 28Si+28Si and 40Ca+40Ca. For the two systems: 14N+12C and 16O+40Ca, the analysis for the elastic scattering has also been carried out.


URL : http://ptp.ipap.jp/link?PTP/68/2014/
DOI : 10.1143/PTP.68.2014

[ Full Text PDF : FREE ACCESS (676K) ] Citation:


References:

  1. D. G. Kovar, D. F. Geesaman, T. H. Braid, Y. Eisen, W. Henning, T. R. Ophel, M. Paul, K. E. Rehm, S. J. Sanders, P. Sperr, J. P. Schiffer, S. L. Tabor, S. Vigdor and B. Zeidman, Phys. Rev. C 20 (1979), 1305[APS].
  2. B. Fernandez, C. Gaarde, J. S. Larsen, S. Pontoppidan and F. Videbaek, Nucl. Phys. A 306 (1978), 259[CrossRef].
  3. A. Weidinger, F. Busch, G. Gaul, W. Trautmann and W. Zipper, Nucl. Phys. A 263 (1976), 511[CrossRef].
  4. M. N. Namboodiri, E. T. Chulick and J. B. Natowitz, Nucl. Phys. A 263 (1976), 491[CrossRef].
    R. L. Parks, S. T. Thornton, L. C. Dennis and K. R. Cordell, Nucl. Phys. A 348 (1980), 350[CrossRef].
    J. R. Patterson, H. Winkler and C. S. Zaidins, J. Astrophys. 157 (1969), 367.
  5. J. Gomez del Campo, R. G. Stokstad, J. A. Biggerstaff, R. A. Dayras, A. H. Snell and P. H. Stelson, Phys. Rev. C 19 (1979), 2170[APS].
    Z. E. Switkowski, R. G. Stokstad and R. M. Wieland, Nucl. Phys. A 279 (1977), 502[CrossRef].
    M. Conjeaud, S. Gary, S. Harar and J. P. Wieleczko, Nucl. Phys. A 309 (1978), 515[CrossRef].
    Y. Eyal, M. Beckerman, R. Chechik, Z. Fraenkel and H. Stocker, Phys. Rev. C 13 (1976), 1527[APS].
    J. A. Kuehner and E. Almqvist, Phys. Rev. 134 (1964), B1229[APS].
  6. P. R. Christensen, Z. E. Switkowski and R. A. Dayras, Nucl. Phys. A 280 (1977), 189[CrossRef].
  7. I. Tserruya, Y. Eisen, D. Pelte, A. Gavron, H. Oeschler, D. Berndt and H. L. Harney, Phys. Rev. C 18 (1978), 1688[APS].
    F. Saint-Laurent, M. Conjeaud, S. Harar, J. M. Loiseaux, J. Menet and J. B. Viano, Nucl. Phys. A 327 (1979), 517[CrossRef].
    J. J. Kolata, R. M. Freeman, F. Haas, B. Heusch and A. Gallmann, Phys. Rev. C 19 (1979), 2237[APS].
    V. K. C. Cheng, A. Little, H. C. Yuen, S. M. Lazarus and S. S. Hanna, Nucl. Phys. A 322 (1979), 168[CrossRef].
    G. Hulke, C. Rolfs and H. P. Trautvetter, Z. Phys. A 297 (1980), 161.
  8. S. L. Tabor, D. F. Geesaman, W. Henning, D. G. Kovar, K. E. Rehm and F. W. Prosser, Jr., Phys. Rev. C 17 (1978), 2136[APS].
  9. B. B. Back, R. R. Betts, C. Gaarde, J. S. Larsen, E. Michelsen and Tai Kuang-Hsi, Nucl. Phys. A 285 (1977), 317[CrossRef].
    R. L. Kozub, N. H. Lu, J. M. Miller, D. Logan, T. W. Debiak and L. Kowalski, Phys. Rev. C 11 (1975), 1497[APS].
    Y. Eisen, I. Tserruya, Y. Eyal, Z. Fraenkel and M. Hillman, Nucl. Phys. A 291 (1977), 459[CrossRef].
    T. M. Cormier, A. J. Lazzarini, M. A. Neuhausen, A. Sperduto, K. Van Bibber, F. Videbaek, G. Young, E. B. Blum, L. Herreid and W. Thoms, Phys. Rev. C 13 (1976), 682[APS].
    S. M. Lee, Y. Higashi, Y. Nagashima, S. Hanashima, M. Sato, H. Yamaguchi, M. Yamanouchi and T. Matsuse, Phys. Lett. B 98 (1981), 418[CrossRef].
    R. Rascher, W. F. J. Müller and K. P. Liep, Phys. Rev. C 20 (1979), 1028[APS].
  10. S. E. Vigdor, D. G. Kovar, P. Sperr, J. Mahoney, A. Menchaca-Rocha, C. Olmer and M. S. Zisman, Phys. Rev. C 20 (1979), 2147[APS].
    D. F. Geesaman, C. N. Davids, W. Henning, D. G. Kovar, K. E. Rehm, J. P. Schiffer, S. L. Tabor and F. W. Prosser, Jr., Phys. Rev. C 18 (1978), 284[APS].
  11. L. R. Medsker, L. V. Theisen, L. H. Fry, Jr. and J. S. Clements, Phys. Rev. C 19 (1970), 790[APS].
    S. B. DiCenzo, J. F. Petersen and R. R. Betts, Phys. Rev. C 23 (1981), 2561[APS].
  12. H. Doubre, A. Gamp, J. C. Jacmart, N. Poffé, J. C. Roynette, and J. Wilczyński, Phys. Lett. B 73 (1978), 135[CrossRef].
    E. Tomasi, D. Ardouin, J. Barreto, V. Bernard, B. Cauvin, C. Magnago, C. Mazur, C. Ngô, E. Piasecki and M. Ribrag, Nucl. Phys. A 373 (1982), 341[CrossRef].
  13. A. Lazzarini, H. Doubre, K. T. Lesko, V. Metag, A. Seamster, R. Vandenbosch and W. Merryfield, Phys. Rev. C 24 (1981), 309[APS].
  14. J. Galin, D. Guerreau, M. Lefort and X. Tarrago, Phys. Rev. C 9 (1974), 1018[APS].
  15. D. Glas and U. Mosel, Nucl. Phys. A 237 (1975), 429[CrossRef].
  16. S. M. Lee, T. Matsuse and A. Arima, Phys. Rev. Lett. 45 (1980), 165[APS].
  17. G. R. Satchler, Phys. Lett. 7 (1963), 55[CrossRef].
  18. S. Okai, M. Ohta and K. Hatogai, Memoirs of Konan Univ. 27 (1981), 49.
  19. S. Okai, M. Ohta and Y. Oyama, Prog. Theor. Phys. 65 (1981), 763[PTP].
  20. D. Pelte and U. Smilanski, Phys. Rev. C 19 (1979), 2196[APS].
  21. M. Kawai, A. K. Kerman and K. W. McVoy, Ann. of Phys. 75 (1973), 156[CrossRef].
    H. M. Hofmann, J. Richert, J. W. Tepel and H. A. Weidenmüller, Ann. of Phys. 90 (1975), 403[CrossRef].
  22. O. Tanimura, Nucl. Phys. A 309 (1978), 233[CrossRef].
    Y. Kondo, D. A. Bromley and Y. Abe, Phys. Rev. C 22 (1980), 1068[APS].
  23. R. Wolf, U. Mosel and S. C. Pieper, Z. Phys. A 294 (1980), 261.
  24. H. Feshback, Ann. of Phys. 5 (1958), 357[CrossRef]; ibid. 19 (1962), 287[CrossRef].
  25. J. P. Bondorf, M. I. Sobel and D. Sperber, Phys. Rep. 15 (1974), 83[CrossRef].
  26. I. Kohno, S. Nakajima, T. Tonuma and M. Odera, J. Phys. Soc. Jpn. 30 (1971), 910[JPSJ].
    W. von Oertzen, M. Liu, C. Caverzasio, J. C. Jacmart, F. Pougheon, M. Riou, J. C. Roynette and C. Stephan, Nucl. Phys. A 143 (1970), 34[CrossRef].
    M. L. Halbert, C. E. Hunting and A. Zucker, Phys. Rev. 117 (1960), 1545[APS].
  27. N. Alamanos, M. Lamehi-Rachti, C. Lévi, L. Papineau and P. Talon, Nucl. Phys. A 363 (1981), 477[CrossRef].
    S. E. Vigdor, private communication.
    S. Krewald, A. Djaloeis and S. Gopal, Phys. Rev. C 24 (1981), 966[APS].
  28. S. Kubono, Preprint, RCNP-P-46, p. 1.
  29. A. Gobbi, R. Wieland, L. Chua, D. Shapira and D. A. Bromley, Phys. Rev. C 7 (1973), 30[APS].
  30. M. Ohta and S. Okai, Prog. Theor. Phys. 63 (1980), 881[PTP].
  31. C. W. de Jager, H. de Vries and C. de Vries, At. Data Nucl. Data Tables 14 (1974), 479.
  32. G. R. Satchler, J. Math. Phys. 13 (1972), 1118[CrossRef].
  33. Fl. Stancu and D. M. Brink, Nucl. Phys. A 270 (1976), 236[CrossRef].
  34. G. R. Satchler and W. G. Love, Phys. Rep. 55 (1979), 183[CrossRef].
  35. H. Feshbach, C. E. Porter and V. F. Weisskopf, Phys. Rev. 96 (1954), 448[APS].

Citing Article(s) :

  1. Progress of Theoretical Physics Supplement No.132 (1998) pp. 7-72 :
    Chapter 2. Local Potential Approach to the Alpha-Nucleus Interaction and Alpha-Cluster Structure in Nuclei
    Francis Michel, Shigeo Ohkubo and Guy Reidemeister