Abstract
In the current research, multiple mixing ratios of gamma -transitions of the energy levels isotopes populated in interaction are calculated using the constant statistical tensor (CST) method. The results obtained are, in general, in good agreement or consistent, within the experimental error, with the results published in the previously researches. Existing discrepancies result from inaccuracies in the experimental results of previous works. The current results confirm the validity of the constant statistical tenser method of calculating the values of mixing ratios and its predictability of errors in experimental results.
Highlights
The mixing ratios (δ) are defined as the ratio between the matrix elements for electric Quadra pole E2 and the magnetic dipole M2 for the transition of gamma from the elementary to final level
The angular distribution measurements of gamma radiation are sensitive to interference between matrix elements for E2 and M2.There are different terms in the literature because of the different formulas proposed for the interpretation of angular distribution [1].the definition used for the mixing ratio should be determined in the angular distribution measurements
From the table (7), we observe that the calculated δ values for the transition 1007.3 KeV from the level 2583.1 KeV are very agreement with the δ values published in the two references [8,14]
Summary
The mixing ratios (δ) are defined as the ratio between the matrix elements for electric Quadra pole E2 and the magnetic dipole M2 for the transition of gamma from the elementary to final level. The transitions ( 2+ − 2+) in 142,144,146,158,150Nd isotopes were studied and their mixing ratios were calculated due to their importance in examining the nuclear models.
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