0+ levels of even nuclei in the rare-earth region

Marklund, I.; Nooijen, B. Van; Grabowski, Z.

doi:10.1016/0029-5582(60)90357-6

Cited by 84 publications

(5 citation statements)

References 30 publications

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“…The fifth column represents the theoretical values of the total moments of inertia with the neutron-proton interaction. The sixth column represents the experimental values taken from [19][20][21]. In the seventh column, the ratios of the calculated moments of inertia with the neutron-proton interaction to the experimental moments of inertia are listed.…”

Section: Numerical Calculations and Resultsmentioning

confidence: 99%

A special type of neutron-proton pairing interaction and the moments of inertia of some deformed even-even nuclei in the rare earth region

Meftunoglu

Gerçeklioğlu

Erbil

et al. 1998

J. Phys. G: Nucl. Part. Phys.

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In this work, the effect of a special type of neutron-proton pairing interaction on the moments of inertia of some deformed nuclei in the rare earth region is investigated. First, making a perturbative approximation, we assume that the form of the equations of the BCS theory and usual Bogolyubov transformations are unchanged. Second, we use a phenomenological method for the strength of this neutron-proton pairing interaction introducing a parameter. Calculations show that this interaction is important for the ground-state moments of inertia and that it could be effectual in other nuclear phenomena.

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Section: Numerical Calculations and Resultsmentioning

confidence: 99%

A special type of neutron-proton pairing interaction and the moments of inertia of some deformed even-even nuclei in the rare earth region

Meftunoglu

Gerçeklioğlu

Erbil

et al. 1998

J. Phys. G: Nucl. Part. Phys.

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“…This they showed to be 692 keY. On the other hand, other workers (Gallagher and Thomas 1959;Nathan and Hultberg 1959;Sheline 1960;Marklund, Van Nooijen, and Grabowski 1960) have suggested that this y-ray may result from the de-excitation of either a 692 keY level or a 815 keY level-via the 123 keY level-in 154Gd.…”

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confidence: 93%

Sum?Coincidence Measurements on 154Eu

Parker¹

1961

Aust. J. Phys.

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SummaryBy examining y-rays from the radioisotope 154Eu with a fast-slow sum-coincidence spectrometer any ('I-transition to a possible 1· 82 MeV level in 154Gd has been shown to have an abundance less than 1 % of that of the ('I-transition to the neighbouring 1· 72 MeV level. The presence of a 1· 60 MeV y-ray from the 1· 72 MeV level is confirmed; the intensity of this y-ray was found to be 6·4 % of that of the 1· 28 MeV y-ray.

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“…The-terms (B-28d) and (B-28e) represent vibration-rotation interaction terms, which only have a small perturbing effect on spectra of ::~trongly deformed nuclei and may be neglected in the first approximatione In that case~ the eigenvalue equation (B-26) becomes separable.The eigenfunction m. y be.. writ ten in t.l)e form '(B-.30) which is normalized in a space with volume element(B-31) The rotational Hamiltonian (B-29a) corresponds to a symmetric top constrained so as not to rotate about the 3. axis (body Z-axis), Which has been chosen as the axis of symmetry.…”

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confidence: 99%

Theory of collective vibrations of even-even spheroidal nuclei

Marshalek¹

1962

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A version of the Inglis 11 c:cn.~dng model 11 is presented '/nich describes nuclear shape o~clll.u•ctoJ::f3 without the adiabatic npproximntiono 'Ihe collective frequti.1Cies of a system of particles moving in a time-dependent shell-!::cdel pote11tial are obtained as solutions of a dispej_~sion equ.t:.:c.ion usu8.lly associated with the rando:n !."Lase approximation (l1PA). 'I'he mei:bod used is equivalent to an extcnsion of the• cre.nking model first devised by Araujo. It is shown

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0+ levels of even nuclei in the rare-earth region

Cited by 84 publications

References 30 publications

A special type of neutron-proton pairing interaction and the moments of inertia of some deformed even-even nuclei in the rare earth region

A special type of neutron-proton pairing interaction and the moments of inertia of some deformed even-even nuclei in the rare earth region

Sum?Coincidence Measurements on 154Eu

Theory of collective vibrations of even-even spheroidal nuclei

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