Davies, P. J., Grawe, H., Moschner, K., Blazhev, A., Wadsworth, R., Boutachkov, P., Ameil, F., Yagi, A., Baba, H., Back, T., Dewald, M., Doornenbal, P., Faestermann, T., Gengelbach, A., Gerl, J., Gernhaeeuserk, R., Go, S., Gorska, M., Gregor, E., Isobe, T., Jenkins, D. G., Hotaka, H., Jolie, J., Kojouharov, I., Kurz, N., Lewitowicz, M., Lorusso, G., Maier, L., Merchan, E., Naqvi, F., Nishibata, H., Nishimura, D., Nishimura, S., Nowacki, F., Pietralla, N., Schaffne, H., Soderstrom, P-A., Jung, H. S., Steiger, K., Sumikama, T., Taprogge, J., Thoele, P., Warr, N., Watanabe, H., Werner, V., Xu, Z. Y., Yoshinaga, K. and Zhu, Y. (2017). The role of core excitations in the structure and decay of the 16(+) spin-gap isomer in Cd-96. Phys. Lett. B, 767. S. 474 - 480. AMSTERDAM: ELSEVIER SCIENCE BV. ISSN 1873-2445

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Abstract

The first evidence for beta-delayed proton emission from the 16(+) spin gap isomer in Cd-96 is presented. The data were obtained from the Rare Isotope Beam Factory, at the RIKEN Nishina Center, using the BigRIPS spectrometer and the EURICA decay station. beta p branching ratios for the ground state and 16(+) isomer have been extracted along with more precise lifetimes for these states and the lifetime for the ground state decay of Cd-95. Large scale shell model (LSSM) calculations have been performed and WKB estimates made for l = 0, 2, 4 proton emission from three resonance-like states in Ag-96, that are populated by the beta decay of the isomer, and the results compared to the new data. The calculations suggest that l = 2 proton emission from the resonance states, which reside similar to 5 MeV above the proton separation energy, dominates the proton decay. The results highlight the importance of core-excited wavefunction components for the 16(+) state. (C) 2017 The Authors. Published by Elsevier B.V.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Davies, P. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Grawe, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Moschner, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Blazhev, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wadsworth, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Boutachkov, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ameil, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Yagi, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Baba, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Back, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Dewald, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Doornenbal, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Faestermann, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gengelbach, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gerl, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gernhaeeuserk, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Go, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gorska, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gregor, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Isobe, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Jenkins, D. G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hotaka, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Jolie, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kojouharov, I.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kurz, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lewitowicz, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lorusso, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Maier, L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Merchan, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Naqvi, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Nishibata, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Nishimura, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Nishimura, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Nowacki, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pietralla, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Schaffne, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Soderstrom, P-A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Jung, H. S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Steiger, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sumikama, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Taprogge, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Thoele, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Warr, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Watanabe, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Werner, V.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Xu, Z. Y.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Yoshinaga, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Zhu, Y.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-234059
DOI: 10.1016/j.physletb.2017.02.013
Journal or Publication Title: Phys. Lett. B
Volume: 767
Page Range: S. 474 - 480
Date: 2017
Publisher: ELSEVIER SCIENCE BV
Place of Publication: AMSTERDAM
ISSN: 1873-2445
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
SHELL-MODEL CALCULATIONS; BETA-DECAY; NUCLEI; SN-100; RIKEN; ARRAY; AG-94; BEAMMultiple languages
Astronomy & Astrophysics; Physics, Nuclear; Physics, Particles & FieldsMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/23405

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