1984
DOI: 10.1103/physrevc.30.1032
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Abstract: The charge-exchange Hartree-Pock random-phase approximation theory is employed in the calculation of isovector spin excitations in nuclei with X~Z. Distributions of strength for all three A~, =0, +1 components of 5= 1, L=0,1,2, J =0,1,2, 1+, 2+, and 3+ excitations are calculated.The results for isotopes of Ni and Zr are also presented.

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Cited by 85 publications
(96 citation statements)
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“…Both calculations predict a decreasing of the energy centroids with increasing mass, in agreement with the results of Ref. [18]. The L = 0 strength obtained in charge-exchange reactions corresponds to the squared matrix element of the L = 0 operator…”
Section: A Isovector Spin Monopole Strengthsupporting
confidence: 79%
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“…Both calculations predict a decreasing of the energy centroids with increasing mass, in agreement with the results of Ref. [18]. The L = 0 strength obtained in charge-exchange reactions corresponds to the squared matrix element of the L = 0 operator…”
Section: A Isovector Spin Monopole Strengthsupporting
confidence: 79%
“…However, if the momentum transfer is not negligible then, together with the Gamow-Teller operator, the isovector spin monopole term has to be taken into account [18]Ô…”
Section: A Isovector Spin Monopole Strengthmentioning
confidence: 99%
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“…In addition, based on the Skyrme Hatree-Fock (HF) model, the RPA calculations have been developed for the charge-exchange excitations 30 years ago [33,34] and has been extended to the QRPA approach by including the pairing correlations for better describing the charge-exchange excitations of open-shell nuclei [35,36]. However, the residual interactions used in these QRPA approaches are not directly derived from the interactions used to obtain the mean-field basis.…”
Section: Introductionmentioning
confidence: 99%
“…[23] or to the HF plus continuum-RPA of Ref. [24]. Recently, there has been new interest in the study of this channel: some low-lying transitions which are important for the ββ-decay have in fact first-forbidden character, and the reliability of theoretical models in predicting properties of L = 0 charge-exchange transitions is under discussion.…”
Section: Introductionmentioning
confidence: 99%