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AbstractAbstract
[en] By means of (16O, 5n) reaction, evidence is given for a decoupled band in 187Pt and a strongly coupled one in 185Pt. This can be explained by a transition between oblate and prolate shapes. Moreover, in 187Pt, levels observed by radioactivity studies allow to predict the coexistence of prolate shape at low energy
[fr]
La mise en evidence par reaction (16O, 5n) d'une bande decouplee dans 187Pt et d'une bande normale dans 185Pt permet de predire l'existence d'une transition oblate→prolate entre ces deux noyaux. De plus, les niveaux obtenus par radioactivite dans 187Pt laissent supposer dans ce noyau l'existence a basse energie d'etats de forme prolateOriginal Title
Etude de la transition de forme aplatie→allongee entre 187Pt et 185Pt
Primary Subject
Source
Colloquium on nuclear surface; Dijon, France; 30 Jun 1975
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Journal Article
Literature Type
Conference
Journal
J. Phys. (Paris), Colloq; (no.5); p. C5.97-C5.99
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Bourgeois, C.; Kilcher, P.; Letessier, J.; Husson, J.P.; Berg, V.; Deleplanque, M.A.; Gerschel, C.; Perrin, N.; Ader, B.; Huck, A.; Knipper, A.; Ishihara, M.
Paris-11 Univ., 91 - Orsay (France). Centre de Spectrometrie Nucleaire et de Spectrometrie de Masse1976
Paris-11 Univ., 91 - Orsay (France). Centre de Spectrometrie Nucleaire et de Spectrometrie de Masse1976
AbstractAbstract
No abstract available
Primary Subject
Source
1976; 1 p; 3. International conference on nuclei far from stability; Cargese, Corsica, France; 19 May 1976; Published in summary form only.
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Report
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Conference
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Sodd, V.J.; Scholz, K.L.; Blue, J.W.; Wellman, H.N.
National Aeronautics and Space Administration, Cleveland, Ohio (USA). Lewis Research Center1970
National Aeronautics and Space Administration, Cleveland, Ohio (USA). Lewis Research Center1970
AbstractAbstract
No abstract available
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Source
Oct 1970; 45 p; NASA-TM-X--67594; BRH/DMRE--70-4
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Report
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Wood, J.L.
Clark Univ., Worcester, Mass. (USA)1971
Clark Univ., Worcester, Mass. (USA)1971
AbstractAbstract
No abstract available
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Source
1971; 372 p; University Microfilms Order No. 72-3346.; Thesis. (Ph.D.).
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Report
Literature Type
Thesis/Dissertation
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AbstractAbstract
[en] The appearance of a decoupled band in 187Pt and a normal band in 185Pt from the 174Yb, 176Yb (16O,5n) reaction allows a shape transition from oblate to prolate to be predicted between these two nuclei
[fr]
La mise en evidence par reaction (16O,5n) d'une bande decouplee dans 187Pt et d'une bande normale dans 185Pt permet de predire l'existence d'une transition ''oblate''→''prolate'' entre ces deux noyauxOriginal Title
Etude de la transition de forme aplatie→allongee entre les noyaux des atomes de platines 187 et 185
Primary Subject
Record Type
Journal Article
Journal
Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences. Serie B; v. 280(16); p. 515-518
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AbstractAbstract
No abstract available
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Journal Article
Journal
Phys. Rev., C; v. 6(2); p. 506-517
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AbstractAbstract
[en] A new technique is proposed for designing a low-scattering 2 × 2 antenna array using strategic coding metasurface ground for wideband bistatic and monostatic backscattered energy level reduction. Two various artificial magnetic conductor (AMC) units cells are organized like a chessboard to obtain an effective 180° ± 37° reflection phase difference over a broadband frequency range. The low-backscattering microstrip antenna array is achieved based on the destructive interference theory and diffusion property of AMC unit cells. Simulations show that the proposed antenna array has a considerable backscattering field level reduction of 4.7–18 GHz for both the x- and y-polarization incident waves. It should also be noted that the maximum reduction of backscattered energy at a frequency of 7.2 GHz is -18 dB. The bistatic backscattering performance of the antenna is also given at different frequencies. Both a reference and a proposed prototype are fabricated, and the results are analyzed. Measurements of the fabricated prototype coincide well with simulations. © 2021 Wiley-VCH GmbH
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Secondary Subject
Source
Available from: http://dx.doi.org/10.1002/pssa.202100088; AID: 2100088
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Journal Article
Journal
Physica Status Solidi. A, Applications and Materials Science (Online); ISSN 1862-6319;
; CODEN PSSABA; v. 218(11); p. 1-10

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External URLExternal URL
AbstractAbstract
No abstract available
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Journal Article
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Phys. Rev., C; v. 5(4); p. 1295-1304
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AbstractAbstract
[en] The observed transition in the spontaneous fission mass distribution from asymmetry in the lighter Fm isotopes to symmetry in the heavier Fm isotopes is studied on the basis of the potential energy surfaces (PES) and fragment shell effects in the two-center shell model. To that end, we have calculated the PES for 256Fm and compared them with our previous PES results for other Fm isotopes. Our calculations show that the lighter Fm isotopes (up to 256Fm) should fission asymmetrically, while 258Fm and other heavier Fm isotopes should fission symmetrically. This is due to the fact that the shell corrections in these nuclei are found to increase with increasing mass number and decreasing neck radius, particularly in the region beyond the second barrier. This, in turn, is a consequence of strong shell effects in fragment nuclei near the doubly closed-shell 13250Sn82. The results supporting these conclusions are shown
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Journal Article
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Phys. Rev., C; v. 11(3); p. 1059-1063
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AbstractAbstract
No abstract available
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Journal Article
Journal
Physical Review Letters; v. 28(23); p. 1536-1540
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