Shape co-existence and structural evolution of the Vi13/2 band in 157Yb
  • 万方数据
    中国科学G辑(英文版) 중국과학G집(영문판)
    SCIENCE IN CHINA (PHYSICS ASTRONOMY)
    2003年 2期 131-136 ,共6页

    郑勇%周小红%张玉虎%郭应祥%雷相国%刘忠%刘敏良%罗万居%温书贤%竺礼华%杨春祥

    정용%주소홍%장옥호%곽응상%뢰상국%류충%류민량%라만거%온서현%축례화%양춘상



    in-beam γ-ray spectroscopy%level scheme%structural evolution


    The high-spin states of 157Yb have been studied via the reaction of 144Sm(16O, 3n) at 16O energy of 90 MeV using techniques of in-beam γ-ray spectroscopy. Measurement of γ-γ-t coincidences was performed with 11 BGO(AC)HPGe detectors. Based on the γ-γ coincidence relationships and the measured results of γ-ray anisotropies and DCO ratios, the level scheme for 157Yb was established. The shape co-existence and structural evolution of the Vi13/2 band with increasing angular momentum in 157Yb have been discussed. The systematics of the Vi13/2 bands in the N = 87 odd-A isotones have been compared.
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