High-spin states in 43K
作者： A H Behbehani , A M Al-Naser , L L Green , A N James , C J Lister
DOI: 10.1088/0305-4616/5/7/011
关键词: Excitation 、 Physics 、 Spin states 、 Atomic physics 、 Coincidence 、 Lower limit 、 Nuclear physics 、 Argon
摘要: The nucleus 43K has been studied via the 40Ar( alpha ,p gamma )43K reaction, using solid targets of natural argon. A - coincidence experiment established five new levels at excitation energies 1850, 2048, 2509, 3115 and 3139 keV. Gamma-ray angular distributions linear polarisations were measured an alpha-particle energy 17.0 MeV. analysis these data yielded spin parity assignments Jpi =7-/2, 7+/2, 11-/2 15-/2 for 738, 1510, 1850 keV respectively. Mean lifetimes four DSAM: 1510 keV, 8.2+or-2.1 ps; 2048 2.4+or-0.8 6.7+or-1.7 5.0+or-1.5 ps. lower limit 7 ps was obtained 1207 2509
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