Gamma-ray multiplicity measurements using STEFF
Gamma-ray multiplicity measurements using STEFF
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使用 STEFF 进行伽马射线多重测量
DOI:
10.1088/1742-6596/381/1/012122
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发表时间:
2012
期刊:
影响因子:
--
通讯作者:
Pollitt A
中科院分区:
文献类型:
--
作者:
Pollitt A
An ongoing investigation into the angular momentum generated during the fission of 252 Cf is currently under way using the SpecTrometer for Exotic Fission Fragments (STEFF). Measurements have been made of the fold distribution (measured multiplicity) with STEFF. These have been compared to a Monte-carlo simulation to determine a value for the average angular momentum J rms= 6ℏ which is comparable to previous measurements [1]. Measurements of the gamma-ray multiplicity were performed whilst gating on different fragment mass regions. The result was compared with a sum of the lowest 2+ energies from both fragment and complementary in the mass gate. The results support the view that gamma-ray multiplicity is largely determined by the decay of the nucleus through near yrast transitions that follow the statistical decay.
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