Lifetime measurements of yrast states in 162Yb and 166Hf
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McCutchan, E. A., Zamfir, N. V., Casten, R. F., Ai, H., Amro, H., Babilon, M., BrenneR, D. S., Gürdal, G., HeinZ, A., Hughes, R. O., Meyer, D. A., PlettneR, C., Qian, J., Ressler, J.J., Thomas, N. J., Werner, V., Williams, E. and Winkler, R. (2006) Lifetime measurements of yrast states in 162Yb and 166Hf Physical Review C, 73 (034303). ISSN 0556-2813
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Abstract
Lifetime measurements of yrast levels in 162Yb and 166Hf were performed using the recoil distance Doppler-shift method in coincidence mode. Excited states in 162Yb and 166Hf were populated via the reactions 116Cd(50Ti, 4n) and 122Sn(48Ti, 4n), respectively. The resulting B(E2) values are compared with the X(5) critical point model predictions and interacting boson approximation (IBA) model calculations. The X(5) model provides a reasonable description of the yrast B(E2) values in 166Hf, whereas the IBA fails to reproduce the transition strengths from the higher spin levels. In 162Yb, some transitions agree with the X(5) predictions while others are more consistent with the predictions of the IBA or a deformed symmetric rotor.
| Item Type: | Article |
|---|---|
| Additional Information: | Published in Physical Review C, 73, 034303 (2006). © 2006 The American Physical Society. |
| Divisions: | Faculty of Engineering and Physical Sciences > Physics |
| ID Code: | 281 |
| Deposited By: | Mr Adam Field |
| Deposited On: | 27 May 2010 15:07 |
| Last Modified: | 21 Sep 2012 16:14 |
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