Ein Teilchen-Rotor-Modell mit VMI-Rumpf f�r Backbending-Kerne

作者: M. Reinecke , H. Ruder

DOI: 10.1007/BF01409095

关键词: Quantum mechanicsHamiltonian (quantum mechanics)Atomic physicsWave functionNuclear fusionPhysicsNuclear and High Energy Physics

摘要: A deformed VMI-core plus two particles is considered as a simple model for even-even nuclei. In basis of three antisymmetrized wave functions, which representK=0-, 1-, 2- bands, the Hamiltonian this system diagonalized. After an additional minimalisation, must take place according to VMI-model, one gets energies yrast-band depending on VMI-parameters and further parameters, rule back-bending-behavior. Fitting these parameters with experimental data nearly total agreement between theory experiment obtained backbending nuclei158Er,160Er,162Er and166Yb.

参考文章(9)
M. A. J. MARISCOTTI, GERTRUDE SCHARFF-GOLDHABER, BRIAN BUCK, Phenomenological Analysis of Ground-State Bands in Even-Even Nuclei Physical Review. ,vol. 178, pp. 1864- 1886 ,(1969) , 10.1103/PHYSREV.178.1864
Raymond A. Sorensen, Nuclear moment of inertia at high spin. Reviews of Modern Physics. ,vol. 45, pp. 353- 377 ,(1973) , 10.1103/REVMODPHYS.45.353
Ø. Saethre, S.A. Hjorth, A. Johnson, S. Jägare, H. Ryde, Z. Szymański, Angular velocity expansions of nuclear rotational energies Nuclear Physics A. ,vol. 207, pp. 486- 512 ,(1973) , 10.1016/0375-9474(73)90857-9
F. Gruemmer, K.W. Schmid, Amand Faessler, Influence of particle number projection and residual interaction on the yrast bands in rare earth nuclei Nuclear Physics A. ,vol. 239, pp. 289- 300 ,(1975) , 10.1016/0375-9474(75)90452-2
B. Banerjee, H.J. Mang, P. Ring, Variational calculation of energy spectra of rotational nuclei at high spins Nuclear Physics A. ,vol. 215, pp. 366- 382 ,(1973) , 10.1016/0375-9474(73)90661-1
Ben R. Mottelson, J. G. Valatin, Effect of Nuclear Rotation on the Pairing Correlation Physical Review Letters. ,vol. 5, pp. 511- 512 ,(1960) , 10.1103/PHYSREVLETT.5.511
J. Krumlinde, Z. Szymanski, A simple model for nuclear rotation at high angular momenta Physics Letters B. ,vol. 36, pp. 157- 160 ,(1971) , 10.1016/0370-2693(71)90057-8
A. Faessler, F. Grümmer, L. Lin, J. Urbano, The strange backbending behaviour in the Yb isotopes Physics Letters B. ,vol. 48, pp. 87- 90 ,(1974) , 10.1016/0370-2693(74)90649-2
F.S. Stephens, R.S. Simon, Coriolis effects in the yrast states Nuclear Physics A. ,vol. 183, pp. 257- 284 ,(1972) , 10.1016/0375-9474(72)90658-6