Quick Search:
Prog. Theor. Phys. Vol. 43 No. 5 (1970) pp. 1231-1243
Analysis of the 58Ni(n, p)58Co Reactions Leading to Parent Analogues of Collective States
Mitsuaki Obu and
Tokuo Terasawa
Institute of Physics, College of General Education, University of Tokyo, Tokyo
(Received November 18, 1969)
Abstract:
The proton energy spectra for the reaction 58Ni(n, p)58Co at En = 14.8 MeV show two strong peaks at Ep = 11.5 and 14.5 MeV at forward angles. The experimental data on these peaks are analyzed by assuming that they correspond to the direct (n, p) reactions leading to the parent analogue states P of the E1 and M1 giant resonance states C of 58Ni. The parent analogue states P are obtained by using the relation |P> ∝T+ |C> from the E1 and M1 giant resonance states C, which are treated in the particle-hole framework. Calculations are performed for the Q values and for the differential cross sections for the (n, p) reactions leading to these parent analogue states. The theoretical results are in good agreement with the experimental data on the peaks in the proton spectra. The strengths of the isospin and spin-isospin dependent parts of the effective two-body interaction between the incident and target nucleons are adjusted to yield the observed cross sections, and their values determined are consistent with those deduced from other experimental data.
URL :
http://ptp.ipap.jp/link?PTP/43/1231/
DOI : 10.1143/PTP.43.1231
References:
- D. Robson, Ann. Rev. Nucl. Sci. 16 (1966), 119; Isobaric Spin in Nuclear Physics, J. D. Fox and D. Robson, ed. (Academic Press, New York, 1966); Isospin in Nuclear Physics, D. H. Wilkinson, ed. (North-Holland Publ. Co., Amsterdam, 1969).
-
R. N. Glover and K. H. Purser, Nucl. Phys. 24 (1961), 431[CrossRef].
-
K. Debertin and E. Rössle, Nucl. Phys. 70 (1965), 89[CrossRef].
-
D. F. Measday and J. N. Palmieri, Phys. Rev. 161 (1967), 1071[APS].
- M. Obu and T. Terasawa, Proceedings of the International Conference on Nuclear Structure, Tokyo (1968).
- L. Katz and A. G. W. Cameron, Can. J. Phys. 29 (1951), 518.
- J. P. Roalswing, R. N. H. Haslam and D. J. McKenzie, Can. J. Phys. 37 (1959), 607.
-
G. R. Satchler, Nucl. Phys. A 95 (1967), 1[CrossRef].
-
J. D. Anderson, S. D. Bloom, C. Wong, W. F. Hornyak and V. A. Madsen, Phys. Rev. 177 (1969), 1416[APS].
- A. M. Lane, Nuclear Theory (W. A. Benjamin, Inc., New York, 1964).
G. E. Brown, Unified Theory of Nuclear Models and Forces (North-Holland, Amsterdam, 1967).
-
V. Gillet and E. A. Sanderson, Nucl. Phys. 54 (1964), 472[CrossRef];
Nucl. Phys. A 91 (1967), 292[CrossRef].
-
G. Baciu, G. C. Bonazzola, B. Minetti, C. Molino, L. Pasqualini and G. Piragino, Nucl. Phys. 67 (1965), 178[CrossRef].
-
G. R. Satchler, Nucl. Phys. 77 (1966), 481[CrossRef].
- M. Kawai, K. Kubo and H. Yamaura, INS-DWBA2 (1967).
-
F. Perey, Phys. Rev. 131 (1963), 745[APS].
- M. Kawai, T. Terasawa and K. Izumo, Prog. Theor. Phys. 27 (1962), 404[PTP].
-
D. Drechsel, J. B. Seaborn and W. Greiner, Phys. Rev. 162 (1967), 983[APS].
- M. H. Macfarlane, Isobaric Spin in Nuclear Physics, ed. J. P. Fox and D. Robson (Academic Press, New York, 1966), p. 383.
-
C. F. Clement, A. M. Lane and J. R. Rook, Nucl. Phys. 66 (1965), 273[CrossRef].
- H. Morinaga, Z. Phys. 188 (1965), 182.
C. J. Veje and D. F. Petersen, Phys. Lett. B 24 (1967), 449[CrossRef].
B. Goulard, T. A. Hughes and S. Fallieros, Phys. Rev. 176 (1968), 1345[APS].
- J. Fujita and K. Ikeda, Prog. Theor. Phys. 35 (1966), 622[PTP].
-
H. Ejiri, K. Ikeda and J. Fujita, Phys. Rev. 176 (1968), 1277[APS].
