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High-spin states in (93) Nb
- Authors
- Wakabayashi, Yasuo; Fukuchi, Tomonori; Gono, Yasuyuki; Odahara, Atsuko; Tanaka, Shuichi; Inoue, Masaki; Sasaki, Takafumi; Kibe, Michiya; Hokoiwa, Naho; Shinozuka, Tsutomu; Fujita, Masahiro; Yamazaki, Akiyoshi; Sonoda, Tetsu; Lee, Chun Sik; Kwon, Young Kwan; Moon, Jun Young; Lee, Ju Hahn
- Issue Date
- Nov-2007
- Publisher
- PHYSICAL SOC JAPAN
- Keywords
- high-spin isomer; yy coincidence; angular distribution; linear polarization; deformation; level scheme
- Citation
- JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, v.76, no.11
- Journal Title
- JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN
- Volume
- 76
- Number
- 11
- ISSN
- 0031-9015
- Abstract
- The high-spin states of Nb-93 are studied by the Se-82(O-16, p4n)Nb-93 reaction at a beam energy of 100MeV. The in-beam gamma-ray spectroscopic techniques are used. The gamma t-, gamma gamma t-coincidence, gamma-ray angular distributions, and linear polarizations are measured. The configurations of the resultant levels are assigned by comparing them with those of the deformed independent particle model (DIPM) calculation. A high-spin isomer with a half life of 1.5(5) mu s is found above the 37/2((-)) state at 7436keV. A possible M1 rotational band is found to start from the 37/2((-)) state. This band shows the characteristics of an oblate collective rotational band.
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