Koseoglou, P., Werner, V, Pietralla, N., Ilieva, S., Niksic, T., Vretenar, D., Alexa, P., Thuerauf, M., Bernards, C., Blanc, A., Bruce, A. M., Cakirli, R. B., Cooper, N., Fraile, L. M., de France, G., Jentschel, M., Jolie, J., Koster, U., Korten, W., Kroell, T., Lalkovski, S., Mach, H., Marginean, N., Mutti, P., Patel, Z., Paziy, V, Podolyak, Zs, Regan, P. H., Regis, J-M, Roberts, O. J., Saed-Samii, N., Simpson, G. S., Soldner, T., Ur, C. A., Urban, W., Wilmsen, D. and Wilson, E. (2020). Low-Z boundary of the N=88-90 shape phase transition: Ce-148 near the critical point. Phys. Rev. C, 101 (1). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9993

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Abstract

Excited states of the neutron-rich nucleus Ce-148 have been populated by neutron-induced fission of a U-235 target. Its electromagnetic decays were studied by means of gamma-ray coincidence spectroscopy with fast-timing capabilities. Lifetimes of the 2(1)(+) and 4(1)(+) states of Ce-148 were obtained and their E2 decay rates deduced. The B-4/2 = B(E2; 4(1)(+) -> 2(1)(+))/B(E2; 2(1)(+) -> 0(1)(+)) ratio indicates that Ce-148 is a transitional nucleus while the N = 88/90 shape phase transition evolves into a gradual change of nuclear deformation for proton numbers Z < 60.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Koseoglou, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Werner, VUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pietralla, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ilieva, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Niksic, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Vretenar, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Alexa, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Thuerauf, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bernards, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Blanc, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bruce, A. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Cakirli, R. B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Cooper, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fraile, L. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
de France, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Jentschel, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Jolie, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Koster, U.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Korten, W.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kroell, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lalkovski, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Mach, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Marginean, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Mutti, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Patel, Z.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Paziy, VUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Podolyak, ZsUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Regan, P. H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Regis, J-MUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Roberts, O. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Saed-Samii, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Simpson, G. S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Soldner, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ur, C. A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Urban, W.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wilmsen, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wilson, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-349194
DOI: 10.1103/PhysRevC.101.014303
Journal or Publication Title: Phys. Rev. C
Volume: 101
Number: 1
Date: 2020
Publisher: AMER PHYSICAL SOC
Place of Publication: COLLEGE PK
ISSN: 2469-9993
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
EXCITED-STATES; LIFETIMES; NUCLEIMultiple languages
Physics, NuclearMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/34919

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