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Title: Observation of a γ-decaying millisecond isomeric state in 128Cd 80

Authors:
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Publication Date:
Sponsoring Org.:
USDOE
OSTI Identifier:
1369322
Grant/Contract Number:
AC02-06CH11357
Resource Type:
Journal Article: Published Article
Journal Name:
Physics Letters. Section B
Additional Journal Information:
Related Information: CHORUS Timestamp: 2018-05-18 11:34:33; Journal ID: ISSN 0370-2693
Publisher:
Elsevier
Country of Publication:
Netherlands
Language:
English

Citation Formats

Jungclaus, A., Grawe, H., Nishimura, S., Doornenbal, P., Lorusso, G., Simpson, G. S., Söderström, P. -A., Sumikama, T., Taprogge, J., 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., Shimizu, Y., 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., Daugas, J. -M., Drouet, F., Gadea, A., Gargano, A., Ilieva, S., Itaco, N., 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.. Observation of a γ-decaying millisecond isomeric state in 128Cd80. Netherlands: N. p., 2017. Web. doi:10.1016/j.physletb.2017.07.006.
Jungclaus, A., Grawe, H., Nishimura, S., Doornenbal, P., Lorusso, G., Simpson, G. S., Söderström, P. -A., Sumikama, T., Taprogge, J., 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., Shimizu, Y., 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., Daugas, J. -M., Drouet, F., Gadea, A., Gargano, A., Ilieva, S., Itaco, N., 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.. Observation of a γ-decaying millisecond isomeric state in 128Cd80. Netherlands. doi:10.1016/j.physletb.2017.07.006.
Jungclaus, A., Grawe, H., Nishimura, S., Doornenbal, P., Lorusso, G., Simpson, G. S., Söderström, P. -A., Sumikama, T., Taprogge, J., 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., Shimizu, Y., 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., Daugas, J. -M., Drouet, F., Gadea, A., Gargano, A., Ilieva, S., Itaco, N., 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.. Sat . "Observation of a γ-decaying millisecond isomeric state in 128Cd80". Netherlands. doi:10.1016/j.physletb.2017.07.006.
@article{osti_1369322,
title = {Observation of a γ-decaying millisecond isomeric state in 128Cd80},
author = {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 Taprogge, J. 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 Shimizu, Y. 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 Daugas, J. -M. and Drouet, F. and Gadea, A. and Gargano, A. and Ilieva, S. and Itaco, N. 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 = {},
doi = {10.1016/j.physletb.2017.07.006},
journal = {Physics Letters. Section B},
number = ,
volume = ,
place = {Netherlands},
year = {Sat Jul 01 00:00:00 EDT 2017},
month = {Sat Jul 01 00:00:00 EDT 2017}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record at 10.1016/j.physletb.2017.07.006

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  • A new high-spin isomer in the neutron-rich nucleus 128Cd was populated in the projectile fission of a 238U beam at the Radioactive Isotope Beam Factory at RIKEN. A half-life of T1/2 = 6.3(8) ms was measured for the new state which was tentatively assigned a spin/parity of (15-). The experimental results are compared to shell model calculations performed using state-of-the-art realistic effective interactions and to the neighbouring nucleus 129Cd. In the present experiment no evidence was found for the decay of a 18 + E6 spin-trap isomer, based on the complete alignment of the two-neutron and two-proton holes in themore » 0h 11/2 and the 0g 9/2 orbit, respectively, which is predicted to exist by the shell model.« less
  • The decay of an isomeric state in the neutron-rich nucleus 129Cd has been observed via the detection of internal conversion and Compton electrons providing first experimental information on excited states in this nucleus. The isomer was populated in the projectile fission of a 238U beam at the Radioactive Isotope Beam Factory at RIKEN. From the measured yields of γ-rays and internal conversion electrons, a multipolarity of E3 was tentatively assigned to the isomeric transition. A half-life of T 1/2=3.6(2) ms was determined for the new state which was assigned a spin of (21/2 +), based on a comparison to shellmore » model calculations performed using state-of-the-art realistic effective interactions.« less
  • The decay of an isomeric state in the neutron-rich nucleus 129Cd has been observed via the detection of internal conversion and Compton electrons providing first experimental information on excited states in this nucleus. The isomer was populated in the projectile fission of a 238U beam at the Radioactive Isotope Beam Factory at RIKEN. From the measured yields of γ-rays and internal conversion electrons, a multipolarity of E3 was tentatively assigned to the isomeric transition. A half-life of T 1/2=3.6(2) ms was determined for the new state which was assigned a spin of (21/2 +), based on a comparison to shellmore » model calculations performed using state-of-the-art realistic effective interactions.« less
  • The {gamma} decay of excited states in the waiting-point nucleus {sup 130}Cd{sub 82} has been observed for the first time. An 8{sup +} two-quasiparticle isomer has been populated both in the fragmentation of a {sup 136}Xe beam as well as in projectile fission of {sup 238}U, making {sup 130}Cd the most neutron-rich N=82 isotone for which information about excited states is available. The results, interpreted using state-of-the-art nuclear shell-model calculations, show no evidence of an N=82 shell quenching at Z=48. They allow us to follow nuclear isomerism throughout a full major neutron shell from {sup 98}Cd{sub 50} to {sup 130}Cd{submore » 82} and reveal, in comparison with {sup 76}Ni{sub 48} one major proton shell below, an apparently abnormal scaling of nuclear two-body interactions.« less