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

Jungclaus, A, Grawe, H, Nishimura, S, Doornenbal, P, Lorusso, G, Simpson, GS, Söderström, P-A, Sumikama, T, Taprogge, J, Xu, ZY , Baba, H, Browne, F, Fukuda, N, Gernhäuser, R, Gey, G, Inabe, N, Isobe, T, Jung, HS, Kameda, D, Kim, GD, Kim, Y-K, Kojouharov, I, Kubo, T, Kurz, N, Kwon, YK, Liang, 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, KY, Coraggio, L, Daugas, J-M, Drouet, F, Gadea, A, Gargano, A, Ilieva, S, Itaco, N, Kondev, FG, Kröll, T, Lane, GJ, Montaner-Pizá, A, Moschner, K, Mücher, D, Naqvi, F, Niikura, M, Nishibata, H, Odahara, A, Orlandi, R, Patel, Z, Podolyak, Zsolt and Wendt, A (2017) Observation of a γ -decaying millisecond isomeric state in 128 Cd 80 Physics Letters B, 772. pp. 483-488.

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Abstract

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 the 0h11/2 and the 0g9/2 orbit, respectively, which is predicted to exist by the shell model.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Physics
Authors :
NameEmailORCID
Jungclaus, AUNSPECIFIEDUNSPECIFIED
Grawe, HUNSPECIFIEDUNSPECIFIED
Nishimura, SUNSPECIFIEDUNSPECIFIED
Doornenbal, PUNSPECIFIEDUNSPECIFIED
Lorusso, GUNSPECIFIEDUNSPECIFIED
Simpson, GSUNSPECIFIEDUNSPECIFIED
Söderström, P-AUNSPECIFIEDUNSPECIFIED
Sumikama, TUNSPECIFIEDUNSPECIFIED
Taprogge, JUNSPECIFIEDUNSPECIFIED
Xu, ZYUNSPECIFIEDUNSPECIFIED
Baba, HUNSPECIFIEDUNSPECIFIED
Browne, FUNSPECIFIEDUNSPECIFIED
Fukuda, NUNSPECIFIEDUNSPECIFIED
Gernhäuser, RUNSPECIFIEDUNSPECIFIED
Gey, GUNSPECIFIEDUNSPECIFIED
Inabe, NUNSPECIFIEDUNSPECIFIED
Isobe, TUNSPECIFIEDUNSPECIFIED
Jung, HSUNSPECIFIEDUNSPECIFIED
Kameda, DUNSPECIFIEDUNSPECIFIED
Kim, GDUNSPECIFIEDUNSPECIFIED
Kim, Y-KUNSPECIFIEDUNSPECIFIED
Kojouharov, IUNSPECIFIEDUNSPECIFIED
Kubo, TUNSPECIFIEDUNSPECIFIED
Kurz, NUNSPECIFIEDUNSPECIFIED
Kwon, YKUNSPECIFIEDUNSPECIFIED
Liang, ZUNSPECIFIEDUNSPECIFIED
Sakurai, HUNSPECIFIEDUNSPECIFIED
Schaffner, HUNSPECIFIEDUNSPECIFIED
Shimizu, YUNSPECIFIEDUNSPECIFIED
Steiger, KUNSPECIFIEDUNSPECIFIED
Suzuki, HUNSPECIFIEDUNSPECIFIED
Takeda, HUNSPECIFIEDUNSPECIFIED
Vajta, ZsUNSPECIFIEDUNSPECIFIED
Watanabe, HUNSPECIFIEDUNSPECIFIED
Wu, JUNSPECIFIEDUNSPECIFIED
Yagi, AUNSPECIFIEDUNSPECIFIED
Yoshinaga, KUNSPECIFIEDUNSPECIFIED
Benzoni, GUNSPECIFIEDUNSPECIFIED
Bönig, SUNSPECIFIEDUNSPECIFIED
Chae, KYUNSPECIFIEDUNSPECIFIED
Coraggio, LUNSPECIFIEDUNSPECIFIED
Daugas, J-MUNSPECIFIEDUNSPECIFIED
Drouet, FUNSPECIFIEDUNSPECIFIED
Gadea, AUNSPECIFIEDUNSPECIFIED
Gargano, AUNSPECIFIEDUNSPECIFIED
Ilieva, SUNSPECIFIEDUNSPECIFIED
Itaco, NUNSPECIFIEDUNSPECIFIED
Kondev, FGUNSPECIFIEDUNSPECIFIED
Kröll, TUNSPECIFIEDUNSPECIFIED
Lane, GJUNSPECIFIEDUNSPECIFIED
Montaner-Pizá, AUNSPECIFIEDUNSPECIFIED
Moschner, KUNSPECIFIEDUNSPECIFIED
Mücher, DUNSPECIFIEDUNSPECIFIED
Naqvi, FUNSPECIFIEDUNSPECIFIED
Niikura, MUNSPECIFIEDUNSPECIFIED
Nishibata, HUNSPECIFIEDUNSPECIFIED
Odahara, AUNSPECIFIEDUNSPECIFIED
Orlandi, RUNSPECIFIEDUNSPECIFIED
Patel, ZUNSPECIFIEDUNSPECIFIED
Podolyak, ZsoltZ.Podolyak@surrey.ac.ukUNSPECIFIED
Wendt, AUNSPECIFIEDUNSPECIFIED
Date : 12 July 2017
Identification Number : 10.1016/j.physletb.2017.07.006
Copyright Disclaimer : © 2017 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
Uncontrolled Keywords : Isomeric decaysShell model calculationsTransition strengths
Depositing User : Melanie Hughes
Date Deposited : 08 Aug 2017 12:14
Last Modified : 08 Aug 2017 12:15
URI: http://epubs.surrey.ac.uk/id/eprint/841857

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