Microscopic, nonharmonic description of rotations and pairing vibrations in deformed <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi>pf</mi></math></span>-shell nuclei

K. Allaart; K. Goeke; H. Müther; A. Faessler

doi:10.1103/PhysRevC.9.988

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Microscopic, nonharmonic description of rotations and pairing vibrations in deformed $pf$ -shell nuclei

K. Allaart, K. Goeke, H. Müther, and A. Faessler

Institut für Kernphysik, Kernforschungsanlage Jülich, D-517 Jülich, West Germany

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Phys. Rev. C 9, 988 – Published 1 March, 1974

DOI: https://doi.org/10.1103/PhysRevC.9.988

Abstract

Angular-momentum- and particle-number-projected self-consistent Hartree-Bogoliubov wave functions are used within the generator-coordinate method for the description of excited states in ${}^{48}{Ti}$ and ${}^{56}{Fe}$ . Bands based on the ground state and first pairing-vibrational state respectively are studied. In the ground band of ${}^{56}{Fe}$ an antipairing effect occurs parallel with an increase of correlations in the excited band, so that for higher $J$ the ground band becomes less paired than the excited one.

[NUCLEAR STRUCTURE ${}^{48}{Ti}$ , ${}^{56}{Fe}$ ; calculated rotational spectra. Hartree-Bogoliubov, generator-coordinate method, $J$ projection.]

References (21)

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[c1] A. Bohr, in Proceedings of the International Congress on Nuclear Physics, Paris, 1964, edited by P. Gugenberger (Centre National de la Recherche Scientifique, Paris, France, 1964), Vol. 1, p. 487

[c2] R. A. Sorensen, Phys. Lett. 38B, 376 (1972)

[c3] B. Sorensen, Nucl. Phys. A134, 1 (1969)

[c4] G. Ripka and R. Padjen, Nucl. Phys. A132, 489 (1969)

[c5] D. R. Bes and R. A. Broglia, Nucl. Phys. 80, 289 (1966)

[c6] D. Justin, M. V. Mihailovic, and M. Rosina, Nucl. Phys. A182, 54 (1972)

[c7] A. Faessler, F. Grümmer, and A. Plastino, Z. Phys. 260, 305 (1973) A. Faessler, F. Grümmer, A. Plastino, and F. Krmpotic, Nucl. Phys. (to be published)

[c8] O. Mikoshiba, R. K. Sheline, T. Udagawa, and S. Yoshida, Nucl. Phys. A101, 202 (1967)

[c9] S. K. Abdulvagabova, S. P. Ivanova, and N. I. Pyatov, Phys. Lett. 38B, 215 (1972)

[c10] K. Goeke, J. Garcia, and A. Faessler, Phys. Lett. 41B, 557 (1972) Nucl. Phys. A208, 477 (1973)

[c11] D. L. Hill and J. A. Wheeler, Phys. Rev. 89, 1102 (1953)

[c12] K. Goeke, H. Müther, and A. Faessler, Nucl. Phys. A201, 49 (1973)

[c13] B. R. Barrett, R. G. L. Hewitt, and R. J. McCarthy, Phys. Rev. C 2, 1199 (1970)

[c14] K. Allaart, K. Goeke, and A. Faessler, Z. Phys. 263, 407 (1973)

[c15] Fizika 5, 1 (1973), suppl

[c16] S. Hinds and R. Middleton, Nucl. Phys. A92, 422 (1967)

[c17] D. Evers, W. Assmann, K. Rudolph, S. Skorka, and P. Sperr, Nucl. Phys. A198, 268 (1972)

[c18] H. W. Baer, J. J. Kraushaar, C. E. Moss, N. S. P. King, R. E. L. Green, P. D. Kunz, and E. Rost, Ann. Phys. (N. Y.) 76, 437 (1973)

[c19] R. A. Broglia, O. Hansen, and C. Riedel, in Advances of Nuclear Physics, edited by M. Baranger and E. Vogt (Plenum, New York, to be published)

[c20] B. R. Mottelson and J. C. Valatin, Phys. Rev. Lett. 5, 511 (1960)

[c21] M. Kleber, Z. Phys. 231, 421 (1970)

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Microscopic, nonharmonic description of rotations and pairing vibrations in deformed $pf$ -shell nuclei

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Microscopic, nonharmonic description of rotations and pairing vibrations in deformed pf-shell nuclei

Abstract

References (21)

Microscopic, nonharmonic description of rotations and pairing vibrations in deformed $pf$ -shell nuclei