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Observation of negative-parity high spin states of {sup 126}Cs

Journal Article · · Physical Review. C, Nuclear Physics
 [1];  [1];  [1];  [2];  [3]
  1. Department of Physics, Jilin University, Changchun 130021 (China)
  2. Institute of Physics and Tandem Accelerator Center, University of Tsukuba, Ibaraki 305 (Japan)
  3. Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000 (China)
The nucleus {sup 126}Cs was investigated by means of in-beam {gamma}-ray spectroscopy techniques using the Nordball detector system at the Niels Bohr Institute. Excited states of {sup 126}Cs were populated via the {sup 116}Cd({sup 14}N, 4n){sup 126}Cs reaction at a beam energy of 65 MeV. The {sup 126}Cs level scheme was considerably extended, especially at negative parity and about 40 new levels and 70 new transitions were added into the level scheme. The previously reported negative-parity rotational bands, built on {pi}g{sub 7/2}x{nu}h{sub 11/2},{pi}d{sub 5/2}x{nu}h{sub 11/2},{pi}h{sub 11/2}x{nu}g{sub 7/2}, and {pi}h{sub 11/2}x{nu}d{sub 5/2} configurations, have been extended and evolve into bands involving rotationally aligned ({pi}h{sub 11/2}){sup 2} and ({nu}h{sub 11/2}){sup 2} quasiparticles. Two new rotational bands have been tentatively assigned the {pi}h{sub 11/2}x{nu}s{sub 1/2} and {pi}g{sub 9/2}x{nu}h{sub 11/2} configurations, respectively.
OSTI ID:
20995179
Journal Information:
Physical Review. C, Nuclear Physics, Journal Name: Physical Review. C, Nuclear Physics Journal Issue: 3 Vol. 75; ISSN 0556-2813; ISSN PRVCAN
Country of Publication:
United States
Language:
English

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