Universität zu Köln

Simpson, G. S., Gey, G., Jungclaus, A., Taprogge, J., Nishimura, S., Sieja, K., Doornenbal, P., Lorusso, G., Soederstroem, P. -A., Sumikama, T., Xu, Z. Y., Baba, H., Browne, F., Fukuda, N., 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., Suzuki, H., Takeda, H., Vajta, Z., Watanabe, H., Wu, J., Yagi, A., Yoshinaga, K., Boenig, S., Daugas, J. -M., Drouet, F., Gernhaeuser, R., Ilieva, S., Kroell, T., Montaner-Piza, A., Moschner, K., Muecher, D., Naidja, H., Nishibata, H., Nowacki, F., Odahara, A., Orlandi, R., Steiger, K. and Wendt, A. (2014). Yrast 6(+) Seniority Isomers of Sn-136,Sn-138. Phys. Rev. Lett., 113 (13). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1079-7114

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Abstract

Delayed gamma-ray cascades, originating from the decay of (6(+)) isomeric states, in the very neutron-rich, semimagic isotopes Sn-136,Sn-138 have been observed following the projectile fission of a U-238 beam at RIBF, RIKEN. The wave functions of these isomeric states are proposed to be predominantly a fully aligned pair of f(7/2) neutrons. Shell-model calculations, performed using a realistic effective interaction, reproduce well the energies of the excited states of these nuclei and the measured transition rates, with the exception of the B(E2; 6(+) -> 4(+)) rate of Sn-136, which deviates from a simple seniority scheme. Empirically reducing the nu f(7/2)(2) orbit matrix elements produces a 4(1)(+) state with almost equal seniority 2 and 4 components, correctly reproducing the experimental B(E2; 6(+) -> 4(+)) rate of Sn-136. These data provide a key benchmark for shell-model interactions far from stability.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Simpson, G. S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Gey, G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Jungclaus, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Taprogge, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Nishimura, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Sieja, K. UNSPECIFIED UNSPECIFIED UNSPECIFIED Doornenbal, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lorusso, G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Soederstroem, P. -A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Sumikama, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Xu, Z. Y. UNSPECIFIED UNSPECIFIED UNSPECIFIED Baba, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Browne, F. UNSPECIFIED UNSPECIFIED UNSPECIFIED Fukuda, N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Inabe, N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Isobe, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Jung, H. S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kameda, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kim, G. D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kim, Y. -K. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kojouharov, I. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kubo, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kurz, N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kwon, Y. K. UNSPECIFIED UNSPECIFIED UNSPECIFIED Li, Z. UNSPECIFIED UNSPECIFIED UNSPECIFIED Sakurai, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Schaffner, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Shimizu, Y. UNSPECIFIED UNSPECIFIED UNSPECIFIED Suzuki, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Takeda, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Vajta, Z. UNSPECIFIED UNSPECIFIED UNSPECIFIED Watanabe, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Wu, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Yagi, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Yoshinaga, K. UNSPECIFIED UNSPECIFIED UNSPECIFIED Boenig, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Daugas, J. -M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Drouet, F. UNSPECIFIED UNSPECIFIED UNSPECIFIED Gernhaeuser, R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Ilieva, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kroell, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Montaner-Piza, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Moschner, K. UNSPECIFIED UNSPECIFIED UNSPECIFIED Muecher, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Naidja, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Nishibata, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Nowacki, F. UNSPECIFIED UNSPECIFIED UNSPECIFIED Odahara, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Orlandi, R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Steiger, K. UNSPECIFIED UNSPECIFIED UNSPECIFIED Wendt, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-428432
DOI:	10.1103/PhysRevLett.113.132502
Journal or Publication Title:	Phys. Rev. Lett.
Volume:	113
Number:	13
Date:	2014
Publisher:	AMER PHYSICAL SOC
Place of Publication:	COLLEGE PK
ISSN:	1079-7114
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language SHELL-MODEL CALCULATIONS; FISSION; RIKEN; IDENTIFICATION; SEPARATOR; BIGRIPS; SN-132 Multiple languages Physics, Multidisciplinary Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/42843