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AbstractAbstract
[en] The Directional Correlation of γ transitions in 105Rh have been measured from the β- decay of 105Ru using a Ge(Li) - Nal(Tl) spectrometers. The measurements were carried out for the (316-469), (500-469), (845-499), (875-469), (878-499), (907-469), (1017-469), (350-326), (393-263), (413-263), (489-149) and (575-149) KeV gama cascades. The present results confirm the spin assignments to several levels in 105Rh obtained in previous studies. The multipole mixing ratios Δ(E2/M1) for several gama transitions have been calculated from the measured angular correlations. The results are Δ(149)=0.34+-0.01,Δ(262)=-1.27+-0.02 or -0.14+-0.01,Δ(326)=-1.79+-0.01 or 0.014+-0.002, Δ(393)=-7.1+-0.3 or -0.36+-0.01, Δ(489)=0.25+-0.002, Δ(500)=0.7+-0.3 and Δ(907)=-21.7+8 -31.1 or 0.21+-0.03. The structure of nuclear levels in 105Rh is discussed briefly in terms of models applicable for nuclide in this mass region
[pt]
Apresentam-se medidas de Correlacao Angular Direcional Gama-Gama de cascatas formadas por transicoes gama, de niveis populados, no 105Rh, a partir do decaimento β- do 105Ru. As cascatas estudadas foram: (316-469), (500-469), (485-499), (875-469), (879-499), (907-469), (1017-469), (350-326), (393-263), (413-263), (489-149) e (575-149) KeV. O equipamento utilizado, nas medidas, foi o espectrometro gama Ge(Li) - Nal(Tl). Os resultados obtidos confirmam o resultado de estudos anteriores, nesse nucleo. Dentro desse estudo foi tambem, feito o calculo das razoes de mistura multipolar Δ(E2/M1) de varias transicoes gama, sendo que os valores determinados, foram: Δ(149)=0,34+-0,01, Δ(262)=-1,27+-0,02 ou -0,14+-0,01, Δ(326)=-1,79+-0,01 ou 0,014+-0,002, Δ(393)=-7,1+-0,3 ou -0,36+-0,01, Δ(489=0,25+-0,02, Δ(500)=0,7+-0,3 e Δ(907)=-21,7+8 -31,1 ou 0,21+-0,03. Os resultados experimentais sao discutidos em termos de varios modelos que se aplicam nessa regiao de massaOriginal Title
Correlacoes angulares gama-gama no nucleo 105Rh
Primary Subject
Source
IEA Dissertacao e Tese; no. 107; Apr 1979; 48 p; Tese (M.Sc.).
Record Type
Report
Literature Type
Thesis/Dissertation; Numerical Data
Report Number
Country of publication
BETA DECAY RADIOISOTOPES, BETA-MINUS DECAY RADIOISOTOPES, CORRELATIONS, DATA, DATA FORMS, DAYS LIVING RADIOISOTOPES, DECAY, ENERGY RANGE, ENERGY-LEVEL TRANSITIONS, GAMMA SPECTROMETERS, INFORMATION, INTERMEDIATE MASS NUCLEI, ISOMERIC TRANSITION ISOTOPES, ISOTOPES, KEV RANGE, MEASURING INSTRUMENTS, MULTIPOLE TRANSITIONS, NUCLEAR CASCADES, NUCLEAR DECAY, NUCLEI, NUMERICAL DATA, ODD-EVEN NUCLEI, RADIOISOTOPES, RHODIUM ISOTOPES, SECONDS LIVING RADIOISOTOPES, SPECTRA, SPECTROMETERS
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