منابع مشابه
Fine structure of alpha decay in odd nuclei
Using an α decay level scheme, the fine structure in odd nuclei is explained by taking into account the radial and rotational couplings between the unpaired valence nucleon and the core of the decaying system. It is shown that the experimental behavior of the α decay fine structure phenomenon is governed by the dynamical characteristics of the system.
متن کاملAnomalous Band Structure in Odd-Odd Nuclei with the Quadrupole-Quadrupole Interaction
We perform shell model calculations in odd-odd nuclei using a quadrupolequadrupole interaction with single-particle splittings chosen so as to obtain the SU(3) results. Elliott had shown that such an interaction gives rotational bands for which the energies go as I(I + 1). This certainly is true for eveneven and for odd-even or even-odd nuclei with K 6= 1/2. We have looked at odd-odd nuclei e.g...
متن کاملGround state correlations and structure of odd spherical nuclei
It is well known that the Pauli principle plays a substantial role at low energies because the phonon operators are not ideal boson operators. Calculating the exact commutators between the quasiparticle and phonon operators one can take into account the Pauli principle corrections. Besides the ground state correlations due to the quasiparticle interaction in the ground state influence the singl...
متن کاملQuasi-Deuteron Configurations in odd-odd N=Z nuclei
The isovector M1 transitions between low-lying T=1 and T=0 states in oddodd N=Z nuclei are analyzed. Simple analytical expressions for M1 transition strengths are derived within a single-j-shell approximation for both j = l+1/2 and j = l − 1/2 cases. The large B(M1) values for the j = l + 1/2 case are attributed to quasi-deuteron configurations. The B(M1) values for the j = l − 1/2 case are fou...
متن کاملAnomalous crossing frequency in odd proton nuclei.
A generic explanation for the recently observed anomalous crossing frequencies in odd proton rare earth nuclei is given. As an example, the proton 1 2 [541] band in 175Ta is discussed in detail by using the angular momentum projection theory. It is shown that the quadrupole pairing interaction is decisive in delaying the crossing point and the changes in crossing frequency along the isotope cha...
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ژورنال
عنوان ژورنال: Physical Review C
سال: 2001
ISSN: 0556-2813,1089-490X
DOI: 10.1103/physrevc.63.034603