Universität zu Köln

Park, J., Krucken, R., Lubos, D., Gernhaeuser, R., Lewitowicz, M., Nishimura, S., Ahn, D. S., Baba, H., Blank, B., Blazhev, A., Boutachkov, P., Browne, F., Celikovic, I, de France, G., Doornenbal, P., Faestermann, T., Fang, Y., Fukuda, N., Giovinazzo, J., Goel, N., Gorska, M., Grawe, H., Ilieva, S., Inabe, N., Isobe, T., Jungclaus, A., Kameda, D., Kim, G. D., Kim, Y-K, Kojouharov, I, Kubo, T., Kurz, N., Kwon, Y. K., Lorusso, G., Moschner, K., Murai, D., Nishizuka, I, Pate, Z., Rajabali, M. M., Rice, S., Sakurai, H., Schaffner, H., Shimizu, Y., Sinclair, L., Soderstrom, P-A, Steiger, K., Sumikama, T., Suzuki, H., Takeda, H., Wang, Z., Watanabe, H., Wu, J. and Xu, Z. Y. (2019). New and comprehensive beta- and beta p-decay spectroscopy results in the vicinity of Sn-100. Phys. Rev. C, 99 (3). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9993

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Abstract

A decay spectroscopy experiment on proton-rich nuclei in the vicinity of the doubly magic Sn-100 was carried out at RIKEN Nishina Center. More than 20 nuclei with 43 <= Z <= 50 and N <= 51, produced by fragmentation reactions were investigated via analyses of beta-decay, beta p-decay, and subsequent gamma-ray data. Owing to higher statistics, the precision on the half-lives of many of the ground states and isomers was improved. beta-decay endpoint energies of 11 states in 8 nuclei were measured for the first time, and the corresponding Q(EC) and excitation energies were generally consistent with various mass models. Many beta-delayed proton emission branching ratios were measured either for the first time or with higher precision compared to literature values, and some of them differed by more than 2 sigma. Many of the large discrepancies were associated with nuclei with long-lived isomeric states, highlighting large systematic uncertainties involved in these measurements. Twenty-five new gamma rays were observed, and ten new states are proposed with unambiguous excitation energies, spins, and parities. Most of the energies of the excited states were consistent within 300 keV or 20%, whichever was greater, compared to shell model predictions in the proton/neutron (P-1/2, g(9/2)) model space assuming a Sr-76 core. A signature of a new (1/2(-)) isomer in Cd-97 with T-1/2 = 0.73(7) s was found, in good agreement with shell model predictions.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Park, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Krucken, R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lubos, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Gernhaeuser, R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lewitowicz, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Nishimura, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Ahn, D. S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Baba, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Blank, B. UNSPECIFIED UNSPECIFIED UNSPECIFIED Blazhev, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Boutachkov, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Browne, F. UNSPECIFIED UNSPECIFIED UNSPECIFIED Celikovic, I UNSPECIFIED UNSPECIFIED UNSPECIFIED de France, G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Doornenbal, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Faestermann, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Fang, Y. UNSPECIFIED UNSPECIFIED UNSPECIFIED Fukuda, N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Giovinazzo, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Goel, N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Gorska, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Grawe, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Ilieva, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Inabe, N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Isobe, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Jungclaus, A. 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 Lorusso, G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Moschner, K. UNSPECIFIED UNSPECIFIED UNSPECIFIED Murai, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Nishizuka, I UNSPECIFIED UNSPECIFIED UNSPECIFIED Pate, Z. UNSPECIFIED UNSPECIFIED UNSPECIFIED Rajabali, M. M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Rice, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Sakurai, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Schaffner, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Shimizu, Y. UNSPECIFIED UNSPECIFIED UNSPECIFIED Sinclair, L. UNSPECIFIED UNSPECIFIED UNSPECIFIED Soderstrom, P-A UNSPECIFIED UNSPECIFIED UNSPECIFIED Steiger, K. UNSPECIFIED UNSPECIFIED UNSPECIFIED Sumikama, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Suzuki, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Takeda, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Wang, Z. UNSPECIFIED UNSPECIFIED UNSPECIFIED Watanabe, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Wu, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Xu, Z. Y. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-153793
DOI:	10.1103/PhysRevC.99.034313
Journal or Publication Title:	Phys. Rev. C
Volume:	99
Number:	3
Date:	2019
Publisher:	AMER PHYSICAL SOC
Place of Publication:	COLLEGE PK
ISSN:	2469-9993
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language NUCLEAR-DATA SHEETS; SHELL-MODEL CALCULATIONS; BIGRIPS SEPARATOR; HEAVY-IONS; RP-PROCESS; IDENTIFICATION; ISOTOPES; MASSES; STATES Multiple languages Physics, Nuclear Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/15379