Octupole fragmentation and the structure of the O(6)-like Ba nuclei

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The low energy octupole states in {sup 134}Ba were examined using proton inelastic scattering. The data show that there is no significant octupole strength in addition to that corresponding to the lowest 3{sup -} state. Consequently, the strong fragmentation of the low energy octupole state expected for a {gamma} soft nucleus does not occur in {sup 134}Ba. The apparent contradiction that the positive parity states in this nucleus present an O(6) type structure and the negative parity ones do not follow the selection rules of the E3 operator for the O(6) symmetry might be explained by noticing that the wave ... continued below

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8 p.

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Zamfir, N.V.; Casten, R.F. & Cottle, P.D. October 1, 1996.

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  • Zamfir, N.V. Brookhaven National Lab., Upton, NY (United States)
  • Casten, R.F. Yale Univ., New Haven, CT (United States)
  • Cottle, P.D. Florida State Univ., Tallahassee, FL (United States)

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The low energy octupole states in {sup 134}Ba were examined using proton inelastic scattering. The data show that there is no significant octupole strength in addition to that corresponding to the lowest 3{sup -} state. Consequently, the strong fragmentation of the low energy octupole state expected for a {gamma} soft nucleus does not occur in {sup 134}Ba. The apparent contradiction that the positive parity states in this nucleus present an O(6) type structure and the negative parity ones do not follow the selection rules of the E3 operator for the O(6) symmetry might be explained by noticing that the wave function of an O(6) nucleus has a significant overlap with the wave function of an U(5) - SU(3) transitional nucleus. 9 refs., 3 figs., 2 tabs.

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8 p.

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INIS; OSTI as DE96015065

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  • 9. international symposium on capture gamma-ray spectroscopy and related topics, Budapest (Hungary), 8-12 Oct 1996

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  • Other: DE96015065
  • Report No.: BNL--63347
  • Report No.: CONF-961010--3
  • Grant Number: AC02-76CH00016;FG02-88ER40417;FG02-91ER40609
  • Office of Scientific & Technical Information Report Number: 394449
  • Archival Resource Key: ark:/67531/metadc682376

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  • October 1, 1996

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  • July 25, 2015, 2:20 a.m.

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  • Aug. 25, 2016, 2:41 p.m.

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Zamfir, N.V.; Casten, R.F. & Cottle, P.D. Octupole fragmentation and the structure of the O(6)-like Ba nuclei, article, October 1, 1996; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc682376/: accessed September 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.