Watanabe, H., Wang, H. K., Lorusso, G., Nishimura, S., Xu, Z. Y., Sumikama, T., Soderstrom, P. -A., Doornenbal, P., Browne, F., Gey, G., Jung, H. S., Taprogge, J., Vajta, Zs., Wu, J., Yagi, A., Baba, H., Benzoni, G., Chae, K. Y., Crespi, F. C. L., Fukuda, N., Gernhauser, R., Inabe, N., Isobe, T., Jungclaus, A., Kameda, D., Kim, G. D., Kim, Y. K., Kojouharov, I., Kondev, F. G., Kubo, T., Kurz, N., Kwon, Y. K., Lane, G. J., Lin, Z., Moon, C. -B., Montaner-Piza, A., Moschner, K., Naqvi, F., Niikura, M., Nishibata, H., Nishimura, D., Odahara, A., Orlandi, R., Patel, Z., Podolyak, Zs., Sakurai, H., Schaffner, H., Simpson, G. S., Steiger, K., Sun, Y., Suzuki, H., Takeda, H., Wendt, A. and Yoshinaga, K. (2019). New isomers in Pd-125(79) and Pd-127(81): Competing proton and neutron excitations in neutron-rich palladium nuclides towards the N=82 shell closure. Phys. Lett. B, 792. S. 263 - 269. AMSTERDAM: ELSEVIER SCIENCE BV. ISSN 1873-2445

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Abstract

The neutron-rich isotopes of palladium have attracted considerable interest in terms of the evolution of the N = 82 neutron shell closure and its influence on the r-process nucleosynthesis. In this Letter, we present the first spectroscopic information on the excited states in Pd-125(79) and Pd-127(81) studied using the EURICA gamma-ray spectrometer, following production via in-flight fission of a high-intensity U-238 beam at the RIBF facility. New isomeric states with half-lives of 144(4) ns and 39(6) mu s have been assigned spins and parities of (23/2(+)) and (19/2(+)) in Pd-125 and Pd-127, respectively. The observed level properties are compared to a shell-model calculation, suggesting the competition between proton excitations and neutron excitations in the proton-hole and neutron-hole systems in the vicinity of the doubly magic nucleus Sn-132. (C) 2019 The Author(s). Published by Elsevier B.V.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Watanabe, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wang, H. K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lorusso, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Nishimura, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Xu, Z. Y.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sumikama, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Soderstrom, P. -A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Doornenbal, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Browne, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gey, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Jung, H. S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Taprogge, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Vajta, Zs.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wu, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Yagi, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Baba, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Benzoni, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Chae, K. Y.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Crespi, F. C. L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fukuda, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gernhauser, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Inabe, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Isobe, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Jungclaus, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kameda, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kim, G. D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kim, Y. K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kojouharov, I.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kondev, F. G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kubo, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kurz, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kwon, Y. K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lane, G. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lin, Z.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Moon, C. -B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Montaner-Piza, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Moschner, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Naqvi, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Niikura, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Nishibata, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Nishimura, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Odahara, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Orlandi, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Patel, Z.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Podolyak, Zs.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sakurai, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Schaffner, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Simpson, G. S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Steiger, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sun, Y.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Suzuki, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Takeda, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wendt, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Yoshinaga, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-148388
DOI: 10.1016/j.physletb.2019.03.053
Journal or Publication Title: Phys. Lett. B
Volume: 792
Page Range: S. 263 - 269
Date: 2019
Publisher: ELSEVIER SCIENCE BV
Place of Publication: AMSTERDAM
ISSN: 1873-2445
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
CONVERSIONMultiple languages
Astronomy & Astrophysics; Physics, Nuclear; Physics, Particles & FieldsMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/14838

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