High-spin states of odd-odd156Ho |
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Authors: | S H Bhatti J C Kim S J Chae J H Ha C S Lee J Y Moon C -B Moon T Komatsubara J Lu M Matsuda T Hayakawa T Watanbe K Furuno |
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Institution: | S. H. Bhatti, J. C. Kim, S. J. Chae, J. H. Ha, C. S. Lee, J. Y. Moon, C. -B. Moon, T. Komatsubara, J. Lu and M. Matsuda, et al. |
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Abstract: | High spin states in the nucleus156Ho have been studied via the fusion-evaporation reaction140Ce(19F,3n )156Ho at the beam energy of 82 MeV. - coincidences, E , I and excitation functions have been measured. With two rotationally-aligned bands identified as h11/2] i13/2], we found two new bands with a signature splitting, whose structure is believed to arise from either h9/2] or f7/2] coupled to h11/2]. Our placement of rays belonging to these new bands suggests that the previously known level scheme should be corrected. We also found many new low-energy rays in the low excitation energy. As compared to154Ho, the present nucleus with two more neutrons becomes more collective, and shows well-observed rotationally-aligned bands with a clear signature splitting.Communicated by B. Herskind |
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Keywords: | PACS" target="_blank">PACS 23 20 Lv 27 70 +q |
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