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γ--γ angular correlations and spectra
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Phys. Rev., C; v. 9(3); p. 1060-1063
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[en] Short communication. 3 refs
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Girod, M.; Ventura, A.
CEA Centre d'Etudes de Bruyeres-le-Chatel, 92 - Montrouge (France)1980
CEA Centre d'Etudes de Bruyeres-le-Chatel, 92 - Montrouge (France)1980
AbstractAbstract
[en] The purpose of this note is to point out that a drastic under-estimation of nuclear level densities for both spherical and deformed nuclei could be rather a common feature of effective interactions, which generate too weak densities of single-particle states near the chemical potential corresponding to the Fermi energy in a Fermi gas model
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Nov 1980; 8 p; Workshop on nuclear physics with real and virtual photons: from collective states to quarks in nuclei; Bologna, Italy; 25 - 28 Nov 1980
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[en] An expression for angular momentum projected energy at small deformations is given which can, of course, be used for large deformations as well. Numerical calculations are carried out for the nucleus 120Sn. It is shown that the Hartree-Fock-Bogolyubov theory with angular momentum projection always produces non-spherical equilibrium shapes. (Auth.)
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Nuclear Physics. A; v. 252(1); p. 42-46
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[en] In high precision Coulomb excitation experiments α particles of 10.0, 10.5, and 10.6 MeV and 16O ions of 42.0 and 46.0 MeV were used to excite the first 2+ states in 112116118120122124Sn. Static quadrupole moments Q(2+) and reduced quadrupole transition probabilities B (E2; 0+ → 2+) were extracted from intensities of particles elastically and inelastically scattered at angles near 1730 into an annular detector. The values of Q(2+) are very small and consistent with 0.0 b. These results are in agreement with theoretical predictions based on pairing plus quadrupole forces
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Phys. Rev., C; v. 12(5); p. 1462-1468
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[en] Pairing correlations have a special importance for many fermion systems. Pairing correlations have been successfully described by the Bardeen-Cooper-Schrieffer (BCS) theory of superconductivity. In this work, the pairing gap parameters as a function of nuclear temperature for 116Sn have been evaluated. Then the nuclear level density and entropy have been determined using BCS Hamiltonian with inclusion of pairing effects. Also temperature dependence of level density parameters has been investigated.
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Jain, Sudhir R.; Thomas, Renju G.; Datar, Vivek M. (Nuclear Physics Div., Bhabha Atomic Research Centre, Mumbai (India)) (eds.); Board of Research in Nuclear Sciences, Department of Atomic Energy, Mumbai (India); 1041 p; Dec 2013; p. 58-59; 58. DAE-BRNS symposium on nuclear physics; Mumbai (India); 2-6 Dec 2013; 6 refs., 4 figs.
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[en] Short note. 2 refs
Original Title
Vliyanie spin-mul'tipol'nykh sil na magnitnye momenty 2+-sostoyanij chetnykh izotopov olova i koehffitsienty smeshivaniya gamma-perekhodov mezhdu nimi
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AN SSSR, Moscow (USSR); AN Belorusskoj SSR, Minsk (Belarus); Belorusskij Gosudarstvennyj Univ., Minsk (Belarus); 534 p; 1991; p. 164; 41. International conference on nuclear spectroscopy and nuclear structure; Minsk (Belarus); 16-19 Apr 1991
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Miscellaneous
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AbstractAbstract
No abstract available
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International conference on recent progress in many-body theories; Trieste, Italy; 2 - 7 Oct 1978; Published in summary form only.
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Journal Article
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Nuclear Physics. A; ISSN 0375-9474;
; v. 328(1-2); p. 586

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[en] The interaction induced by the exchange of low-lying surface vibrations between pairs of orbitals close to the Fermi surface provides an important contribution to pairing correlations in superfluid nuclei. We study the spatial dependence of the pairing field obtained adding the bare and induced interaction in 120Sn.
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12. conference on theoretical nuclear physics in Italy; Cortona (Italy); 8-10 Oct 2008; Available from http://dx.doi.org/10.1088/1742-6596/168/1/012015; Country of input: International Atomic Energy Agency (IAEA)
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Journal of Physics. Conference Series (Online); ISSN 1742-6596;
; v. 168(1); [8 p.]

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[en] The pairing interaction is solved exactly in the 114Sn nucleus using a realistic strength parameter as well as standard energy levels for the shell seniority zero states. The same single-particle and two-body Hamiltonian is treated with finite-temperature BCS and the thermal random-phase approximation. The results obtained through these calculations are compared to obtain insight about the suitability of the thermal approach to the description of nuclear phenomena
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