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Title: β decay of Cd 129 and excited states in In 129

Abstract

The beta decay of Cd-129, produced in the relativistic fission of a U-238 beam, was experimentally studied at the RIBF facility at the RIKEN Nishina Center. From the gamma radiation emitted after the beta decays, a level scheme of In-129 was established comprising 31 excited states and 69 gamma-ray transitions. The experimentally determined level energies are compared to state-of-the-art shell-model calculations. The half-lives of the two beta-decaying states in Cd-129 were deduced and the beta feeding to excited states in In-129 were analyzed. It is found that, as in most cases in the Z < 50, N <= 82 region, both decays are dominated by the nu 0g(7/2) -> pi 0g(9/2) Gamow-Teller transition, although the contribution of first-forbidden transitions cannot be neglected.

Authors:
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Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science - Office of Nuclear Physics
OSTI Identifier:
1391790
DOE Contract Number:  
AC02-06CH11357
Resource Type:
Journal Article
Journal Name:
Physical Review. C, Nuclear Physics
Additional Journal Information:
Journal Volume: 91; Journal Issue: 5; Journal ID: ISSN 0556-2813
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English

Citation Formats

Taprogge, J., Jungclaus, A., Grawe, H., Nishimura, S., Doornenbal, P., Lorusso, G., Simpson, G. S., Söderström, P. -A., Sumikama, T., Xu, Z. Y., Baba, H., Browne, F., Fukuda, N., Gernhäuser, R., Gey, G., Inabe, N., Isobe, T., Jung, H. S., Kameda, D., Kim, G. D., Kim, Y. -K., Kojouharov, I., Kubo, T., Kurz, N., Kwon, Y. K., Li, Z., Sakurai, H., Schaffner, H., Steiger, K., Suzuki, H., Takeda, H., Vajta, Zs., Watanabe, H., Wu, J., Yagi, A., Yoshinaga, K., Benzoni, G., Bönig, S., Chae, K. Y., Coraggio, L., Covello, A., Daugas, J. -M., Drouet, F., Gadea, A., Gargano, A., Ilieva, S., Kondev, F. G., Kröll, T., Lane, G. J., Montaner-Pizá, A., Moschner, K., Mücher, D., Naqvi, F., Niikura, M., Nishibata, H., Odahara, A., Orlandi, R., Patel, Z., Podolyák, Zs., and Wendt, A. β decay of Cd129 and excited states in In129. United States: N. p., 2015. Web. doi:10.1103/PhysRevC.91.054324.
Taprogge, J., Jungclaus, A., Grawe, H., Nishimura, S., Doornenbal, P., Lorusso, G., Simpson, G. S., Söderström, P. -A., Sumikama, T., Xu, Z. Y., Baba, H., Browne, F., Fukuda, N., Gernhäuser, R., Gey, G., Inabe, N., Isobe, T., Jung, H. S., Kameda, D., Kim, G. D., Kim, Y. -K., Kojouharov, I., Kubo, T., Kurz, N., Kwon, Y. K., Li, Z., Sakurai, H., Schaffner, H., Steiger, K., Suzuki, H., Takeda, H., Vajta, Zs., Watanabe, H., Wu, J., Yagi, A., Yoshinaga, K., Benzoni, G., Bönig, S., Chae, K. Y., Coraggio, L., Covello, A., Daugas, J. -M., Drouet, F., Gadea, A., Gargano, A., Ilieva, S., Kondev, F. G., Kröll, T., Lane, G. J., Montaner-Pizá, A., Moschner, K., Mücher, D., Naqvi, F., Niikura, M., Nishibata, H., Odahara, A., Orlandi, R., Patel, Z., Podolyák, Zs., & Wendt, A. β decay of Cd129 and excited states in In129. United States. doi:10.1103/PhysRevC.91.054324.
Taprogge, J., Jungclaus, A., Grawe, H., Nishimura, S., Doornenbal, P., Lorusso, G., Simpson, G. S., Söderström, P. -A., Sumikama, T., Xu, Z. Y., Baba, H., Browne, F., Fukuda, N., Gernhäuser, R., Gey, G., Inabe, N., Isobe, T., Jung, H. S., Kameda, D., Kim, G. D., Kim, Y. -K., Kojouharov, I., Kubo, T., Kurz, N., Kwon, Y. K., Li, Z., Sakurai, H., Schaffner, H., Steiger, K., Suzuki, H., Takeda, H., Vajta, Zs., Watanabe, H., Wu, J., Yagi, A., Yoshinaga, K., Benzoni, G., Bönig, S., Chae, K. Y., Coraggio, L., Covello, A., Daugas, J. -M., Drouet, F., Gadea, A., Gargano, A., Ilieva, S., Kondev, F. G., Kröll, T., Lane, G. J., Montaner-Pizá, A., Moschner, K., Mücher, D., Naqvi, F., Niikura, M., Nishibata, H., Odahara, A., Orlandi, R., Patel, Z., Podolyák, Zs., and Wendt, A. Fri . "β decay of Cd129 and excited states in In129". United States. doi:10.1103/PhysRevC.91.054324.
@article{osti_1391790,
title = {β decay of Cd129 and excited states in In129},
author = {Taprogge, J. and Jungclaus, A. and Grawe, H. and Nishimura, S. and Doornenbal, P. and Lorusso, G. and Simpson, G. S. and Söderström, P. -A. and Sumikama, T. and Xu, Z. Y. and Baba, H. and Browne, F. and Fukuda, N. and Gernhäuser, R. and Gey, G. and Inabe, N. and Isobe, T. and Jung, H. S. and Kameda, D. and Kim, G. D. and Kim, Y. -K. and Kojouharov, I. and Kubo, T. and Kurz, N. and Kwon, Y. K. and Li, Z. and Sakurai, H. and Schaffner, H. and Steiger, K. and Suzuki, H. and Takeda, H. and Vajta, Zs. and Watanabe, H. and Wu, J. and Yagi, A. and Yoshinaga, K. and Benzoni, G. and Bönig, S. and Chae, K. Y. and Coraggio, L. and Covello, A. and Daugas, J. -M. and Drouet, F. and Gadea, A. and Gargano, A. and Ilieva, S. and Kondev, F. G. and Kröll, T. and Lane, G. J. and Montaner-Pizá, A. and Moschner, K. and Mücher, D. and Naqvi, F. and Niikura, M. and Nishibata, H. and Odahara, A. and Orlandi, R. and Patel, Z. and Podolyák, Zs. and Wendt, A.},
abstractNote = {The beta decay of Cd-129, produced in the relativistic fission of a U-238 beam, was experimentally studied at the RIBF facility at the RIKEN Nishina Center. From the gamma radiation emitted after the beta decays, a level scheme of In-129 was established comprising 31 excited states and 69 gamma-ray transitions. The experimentally determined level energies are compared to state-of-the-art shell-model calculations. The half-lives of the two beta-decaying states in Cd-129 were deduced and the beta feeding to excited states in In-129 were analyzed. It is found that, as in most cases in the Z < 50, N <= 82 region, both decays are dominated by the nu 0g(7/2) -> pi 0g(9/2) Gamow-Teller transition, although the contribution of first-forbidden transitions cannot be neglected.},
doi = {10.1103/PhysRevC.91.054324},
journal = {Physical Review. C, Nuclear Physics},
issn = {0556-2813},
number = 5,
volume = 91,
place = {United States},
year = {2015},
month = {5}
}

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