Prolate and Oblate Shape Coexistence in 188Pt
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LIU Yuan,
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ZHOU Xiao-Hong,
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ZHANG Yu-Hu,
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ZHENG-Yong,
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LIU Min-Liang,
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GUO Ying-Xiang,
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M. Oshima,
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Y. Toh,
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M. Koizumi,
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A. Osa,
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Y. Hatsukawa,
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SUN Yang
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Abstract
A standard in-beam γ-spectroscopy experiment for 188Pt is performed via the
176Yb(18O, 6n) reaction at beam energies of 88 and 95MeV, and the level scheme for 188Pt is established. Prolate and oblate shape coexistence has been demonstrated to occur in 188Pt by applying the projected shell model. The rotation alignment of i13/2 neutrons drives the yrast sequence changing
suddenly from prolate to oblate shape at angular momentum 10h, indicating likely a new type of shape phase transition along the yrast line in 188Pt.
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LIU Yuan, ZHOU Xiao-Hong, ZHANG Yu-Hu, ZHENG-Yong, LIU Min-Liang, GUO Ying-Xiang, M. Oshima, Y. Toh, M. Koizumi, A. Osa, Y. Hatsukawa, SUN Yang. Prolate and Oblate Shape Coexistence in 188Pt[J]. Chin. Phys. Lett., 2008, 25(5): 1633-1635.
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LIU Yuan, ZHOU Xiao-Hong, ZHANG Yu-Hu, ZHENG-Yong, LIU Min-Liang, GUO Ying-Xiang, M. Oshima, Y. Toh, M. Koizumi, A. Osa, Y. Hatsukawa, SUN Yang. Prolate and Oblate Shape Coexistence in 188Pt[J]. Chin. Phys. Lett., 2008, 25(5): 1633-1635.
|
LIU Yuan, ZHOU Xiao-Hong, ZHANG Yu-Hu, ZHENG-Yong, LIU Min-Liang, GUO Ying-Xiang, M. Oshima, Y. Toh, M. Koizumi, A. Osa, Y. Hatsukawa, SUN Yang. Prolate and Oblate Shape Coexistence in 188Pt[J]. Chin. Phys. Lett., 2008, 25(5): 1633-1635.
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LIU Yuan, ZHOU Xiao-Hong, ZHANG Yu-Hu, ZHENG-Yong, LIU Min-Liang, GUO Ying-Xiang, M. Oshima, Y. Toh, M. Koizumi, A. Osa, Y. Hatsukawa, SUN Yang. Prolate and Oblate Shape Coexistence in 188Pt[J]. Chin. Phys. Lett., 2008, 25(5): 1633-1635.
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