β- decay of 244Amm,g

被引：1
|
作者：
Tripathi, R. [1 ]
Nag, T. N. [1 ]
Sodaye, S. [1 ]
Bhattacharyyaa, A. [1 ]
Pujari, P. K. [1 ]
机构：
[1] Bhabha Atom Res Ctr, Radiochem Div, Mumbai 400085, India
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2019年 / 922卷
关键词：
Nuclear data; Beta decay; Gamma-ray intensity; Half-life; Gamma-ray spectroscopy; ELECTRON-CAPTURE; HALF-LIFE;
D O I：
10.1016/j.nima.2018.12.085
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Decay of (244)Am(m,g )produced by neutron irradiation of Am-243, has been studied by singles and coincidence measurements of decay gamma rays. Two new gamma rays of energy 940.54 +/- 0.08 and 983.46 +/- 0.08 keV have been observed in the decay of Am-244(m) which suggests a new level of 983.5 keV in Cm-244. This level has been assigned a tentative spin of (1(-)). In the present studies, uncertainties in the gamma-ray intensities of Am-244(m,g) have been significantly reduced by nearly an order of magnitude for most of the gamma rays. The data of half-lives have also been improved. More precise half-lives for Am-244(m) (T-1/2 = 26.13 +/- 0.43 min) and Am-244(g) (T-1/2 = 600.4 +/- 1.8 min) have been obtained.
引用
收藏
页码：143 / 149
页数：7
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