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Start Over Author "H. Kanaoka" Journal physical review letters
3 results on '"H. Kanaoka"'

1. 94 β -Decay Half-Lives of Neutron-Rich Cs55 to Ho67 : Experimental Feedback and Evaluation of the r -Process Rare-Earth Peak Formation

Author

J. Wu, S. Nishimura, G. Lorusso, P. Möller, E. Ideguchi, P.-H. Regan, G. S. Simpson, P.-A. Söderström, P. M. Walker, H. Watanabe, Z. Y. Xu, H. Baba, F. Browne, R. Daido, P. Doornenbal, Y. F. Fang, N. Fukuda, G. Gey, T. Isobe, Z. Korkulu, P. S. Lee, J. J. Liu, Z. Li, Z. Patel, V. Phong, S. Rice, H. Sakurai, L. Sinclair, T. Sumikama, M. Tanaka, A. Yagi, Y. L. Ye, R. Yokoyama, G. X. Zhang, D. S. Ahn, T. Alharbi, N. Aoi, F. L. Bello Garrote, G. Benzoni, A. M. Bruce, R. J. Carroll, K. Y. Chae, Z. Dombradi, A. Estrade, A. Gottardo, C. J. Griffin, N. Inabe, D. Kameda, H. Kanaoka, I. Kojouharov, F. G. Kondev, T. Kubo, S. Kubono, N. Kurz, I. Kuti, S. Lalkovski, G. J. Lane, E. J. Lee, T. Lokotko, G. Lotay, C.-B. Moon, D. Murai, H. Nishibata, I. Nishizuka, C. R. Nita, A. Odahara, Zs. Podolyák, O. J. Roberts, H. Schaffner, C. Shand, Y. Shimizu, H. Suzuki, H. Takeda, J. Taprogge, S. Terashima, Z. Vajta, and S. Yoshida

Published
2017
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2. 94 β-Decay Half-Lives of Neutron-Rich _{55}Cs to _{67}Ho: Experimental Feedback and Evaluation of the r-Process Rare-Earth Peak Formation

Author

J, Wu, S, Nishimura, G, Lorusso, P, Möller, E, Ideguchi, P-H, Regan, G S, Simpson, P-A, Söderström, P M, Walker, H, Watanabe, Z Y, Xu, H, Baba, F, Browne, R, Daido, P, Doornenbal, Y F, Fang, G, Gey, T, Isobe, P S, Lee, J J, Liu, Z, Li, Z, Korkulu, Z, Patel, V, Phong, S, Rice, H, Sakurai, L, Sinclair, T, Sumikama, M, Tanaka, A, Yagi, Y L, Ye, R, Yokoyama, G X, Zhang, T, Alharbi, N, Aoi, F L, Bello Garrote, G, Benzoni, A M, Bruce, R J, Carroll, K Y, Chae, Z, Dombradi, A, Estrade, A, Gottardo, C J, Griffin, H, Kanaoka, I, Kojouharov, F G, Kondev, S, Kubono, N, Kurz, I, Kuti, S, Lalkovski, G J, Lane, E J, Lee, T, Lokotko, G, Lotay, C-B, Moon, H, Nishibata, I, Nishizuka, C R, Nita, A, Odahara, Zs, Podolyák, O J, Roberts, H, Schaffner, C, Shand, J, Taprogge, S, Terashima, Z, Vajta, and S, Yoshida

Abstract

The β-decay half-lives of 94 neutron-rich nuclei ^{144-151}Cs, ^{146-154}Ba, ^{148-156}La, ^{150-158}Ce, ^{153-160}Pr, ^{156-162}Nd, ^{159-163}Pm, ^{160-166}Sm, ^{161-168}Eu, ^{165-170}Gd, ^{166-172}Tb, ^{169-173}Dy, ^{172-175}Ho, and two isomeric states ^{174m}Er, ^{172m}Dy were measured at the Radioactive Isotope Beam Factory, providing a new experimental basis to test theoretical models. Strikingly large drops of β-decay half-lives are observed at neutron-number N=97 for _{58}Ce, _{59}Pr, _{60}Nd, and _{62}Sm, and N=105 for _{63}Eu, _{64}Gd, _{65}Tb, and _{66}Dy. Features in the data mirror the interplay between pairing effects and microscopic structure. r-process network calculations performed for a range of mass models and astrophysical conditions show that the 57 half-lives measured for the first time play an important role in shaping the abundance pattern of rare-earth elements in the solar system.

Published
2016

3. 94 β-Decay Half-Lives of Neutron-Rich _{55}Cs to _{67}Ho: Experimental Feedback and Evaluation of the r-Process Rare-Earth Peak Formation.

Author

Wu J, Nishimura S, Lorusso G, Möller P, Ideguchi E, Regan PH, Simpson GS, Söderström PA, Walker PM, Watanabe H, Xu ZY, Baba H, Browne F, Daido R, Doornenbal P, Fang YF, Gey G, Isobe T, Lee PS, Liu JJ, Li Z, Korkulu Z, Patel Z, Phong V, Rice S, Sakurai H, Sinclair L, Sumikama T, Tanaka M, Yagi A, Ye YL, Yokoyama R, Zhang GX, Alharbi T, Aoi N, Bello Garrote FL, Benzoni G, Bruce AM, Carroll RJ, Chae KY, Dombradi Z, Estrade A, Gottardo A, Griffin CJ, Kanaoka H, Kojouharov I, Kondev FG, Kubono S, Kurz N, Kuti I, Lalkovski S, Lane GJ, Lee EJ, Lokotko T, Lotay G, Moon CB, Nishibata H, Nishizuka I, Nita CR, Odahara A, Podolyák Z, Roberts OJ, Schaffner H, Shand C, Taprogge J, Terashima S, Vajta Z, and Yoshida S

Abstract

The β-decay half-lives of 94 neutron-rich nuclei ^{144-151}Cs, ^{146-154}Ba, ^{148-156}La, ^{150-158}Ce, ^{153-160}Pr, ^{156-162}Nd, ^{159-163}Pm, ^{160-166}Sm, ^{161-168}Eu, ^{165-170}Gd, ^{166-172}Tb, ^{169-173}Dy, ^{172-175}Ho, and two isomeric states ^{174m}Er, ^{172m}Dy were measured at the Radioactive Isotope Beam Factory, providing a new experimental basis to test theoretical models. Strikingly large drops of β-decay half-lives are observed at neutron-number N=97 for _{58}Ce, _{59}Pr, _{60}Nd, and _{62}Sm, and N=105 for _{63}Eu, _{64}Gd, _{65}Tb, and _{66}Dy. Features in the data mirror the interplay between pairing effects and microscopic structure. r-process network calculations performed for a range of mass models and astrophysical conditions show that the 57 half-lives measured for the first time play an important role in shaping the abundance pattern of rare-earth elements in the solar system.

Published
2017
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