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Title: Identification of high spin states in neutron-rich {sup 113,115,117}Pd nuclei

Abstract

New band structures in the neutron-rich {sup 113,115,117}Pd nuclei have been constructed by measuring the {gamma}-{gamma}-{gamma} coincidences emitted from the spontaneous fission of {sup 252}Cf with GAMMASPHERE. The triple {gamma}-ray coincidence data revealed new negative-parity bands built on 11/2{sup -} isomeric states in {sup 113,115,117}Pd. These bands built on the {nu}h{sub 11/2} orbital suggest a band crossing at a frequency of ((Planck constant)/2{pi}){omega}{approx_equal}0.45 MeV. The rotational behavior and energy level spacings of these bands suggest a prolate shape. Two previously unreported bands are also observed in {sup 113,115}Pd and tentatively assigned positive parity. These have band crossings at 0.25 and 0.32 MeV. (c) 1999 The American Physical Society.

Authors:
 [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1]
  1. Physics Department, Vanderbilt University, Nashville, Tennessee 37235 (United States)
Publication Date:
OSTI Identifier:
20215140
Resource Type:
Journal Article
Journal Name:
Physical Review. C, Nuclear Physics
Additional Journal Information:
Journal Volume: 61; Journal Issue: 1; Other Information: PBD: Jan 2000; Journal ID: ISSN 0556-2813
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; HIGH SPIN STATES; PALLADIUM 113; PALLADIUM 115; PALLADIUM 117; SPONTANEOUS FISSION; COINCIDENCE METHODS; ISOMERIC NUCLEI; ROTATIONAL STATES; LEVEL WIDTHS; PARITY; GAMMA SPECTRA; EXPERIMENTAL DATA

Citation Formats

Zhang, X Q, Hamilton, J H, Ramayya, A V, Zhu, S J, Physics Department, Tsinghua University, Beijing 100084, People's Republic of China,, Joint Institute for Heavy Ion Research, Oak Ridge, Tennessee 37835, Hwang, J K, Beyer, C J, Kormicki, J, Jones, E F, Gore, P M, and Babu, B R. S. Identification of high spin states in neutron-rich {sup 113,115,117}Pd nuclei. United States: N. p., 2000. Web. doi:10.1103/PhysRevC.61.014305.
Zhang, X Q, Hamilton, J H, Ramayya, A V, Zhu, S J, Physics Department, Tsinghua University, Beijing 100084, People's Republic of China,, Joint Institute for Heavy Ion Research, Oak Ridge, Tennessee 37835, Hwang, J K, Beyer, C J, Kormicki, J, Jones, E F, Gore, P M, & Babu, B R. S. Identification of high spin states in neutron-rich {sup 113,115,117}Pd nuclei. United States. https://doi.org/10.1103/PhysRevC.61.014305
Zhang, X Q, Hamilton, J H, Ramayya, A V, Zhu, S J, Physics Department, Tsinghua University, Beijing 100084, People's Republic of China,, Joint Institute for Heavy Ion Research, Oak Ridge, Tennessee 37835, Hwang, J K, Beyer, C J, Kormicki, J, Jones, E F, Gore, P M, and Babu, B R. S. 2000. "Identification of high spin states in neutron-rich {sup 113,115,117}Pd nuclei". United States. https://doi.org/10.1103/PhysRevC.61.014305.
@article{osti_20215140,
title = {Identification of high spin states in neutron-rich {sup 113,115,117}Pd nuclei},
author = {Zhang, X Q and Hamilton, J H and Ramayya, A V and Zhu, S J and Physics Department, Tsinghua University, Beijing 100084, People's Republic of China, and Joint Institute for Heavy Ion Research, Oak Ridge, Tennessee 37835 and Hwang, J K and Beyer, C J and Kormicki, J and Jones, E F and Gore, P M and Babu, B R. S.},
abstractNote = {New band structures in the neutron-rich {sup 113,115,117}Pd nuclei have been constructed by measuring the {gamma}-{gamma}-{gamma} coincidences emitted from the spontaneous fission of {sup 252}Cf with GAMMASPHERE. The triple {gamma}-ray coincidence data revealed new negative-parity bands built on 11/2{sup -} isomeric states in {sup 113,115,117}Pd. These bands built on the {nu}h{sub 11/2} orbital suggest a band crossing at a frequency of ((Planck constant)/2{pi}){omega}{approx_equal}0.45 MeV. The rotational behavior and energy level spacings of these bands suggest a prolate shape. Two previously unreported bands are also observed in {sup 113,115}Pd and tentatively assigned positive parity. These have band crossings at 0.25 and 0.32 MeV. (c) 1999 The American Physical Society.},
doi = {10.1103/PhysRevC.61.014305},
url = {https://www.osti.gov/biblio/20215140}, journal = {Physical Review. C, Nuclear Physics},
issn = {0556-2813},
number = 1,
volume = 61,
place = {United States},
year = {Sat Jan 01 00:00:00 EST 2000},
month = {Sat Jan 01 00:00:00 EST 2000}
}