Universität zu Köln

Regis, J. -M., Jolie, J., Saed-Samii, N., Warr, N., Pfeiffer, M., Blanc, A., Jentschel, M., Koester, U., Mutti, P., Soldner, T., Simpson, G. S., Drouet, F., Vancraeyenest, A., de France, G., Clement, E., Stezowski, O., Ur, C. A., Urban, W., Regan, P. H., Podolyak, Zs., Larijani, C., Townsley, C., Carroll, R., Wilson, E., Fraile, L. M., Mach, H., Paziy, V., Olaizola, B., Vedia, V., Bruce, A. M., Roberts, O. J., Smith, J. F., Kroell, T., Hartig, A. -L., Ignatov, A., Ilieva, S., Thuerauf, M., Lalkovski, S., Ivanova, D., Kisyov, S., Korten, W., Salsac, M. -D., Zielinska, M., Marginean, N., Ghita, D. G., Lica, R., Petrache, C. M., Astier, A. and Leguillon, R. (2014). B(E2; 2(1)(+) -> 0(1)(+)) value in Kr-90. Phys. Rev. C, 90 (6). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1089-490X

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Abstract

A smooth onset of collectivity in Kr-88,Kr-92,Kr-94,Kr-96 has been determined from reported B(E2; 2(1)(+) -> 0(1)(+)) and E(2(1)(+)) values. This is in contrast to the sudden onset in even-even Zr, Mo, and Sr isotopes. Our objective was to complete the systematics by determining the B(E2; 2(1)(+) -> 0(1)(+)) value in Kr-90, which was produced by cold-neutron-induced fission of U-235. The lifetime of the 2(1)(+) state in Kr-90 was measured via the electronic gamma-gamma timing technique using the EXILL and FATIMA spectrometers. Based on themeasured mean lifetime of tau = 15(10) ps, the B(E2; 2(1)(+) -> 0(1)(+)) value of 13(-5)(+26) W.u. in Kr-90 is determined for the first time and the smooth onset of deformation in the even-even Kr isotopes beyond neutron number N = 50 is confirmed.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Regis, J. -M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Jolie, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Saed-Samii, N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Warr, N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Pfeiffer, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Blanc, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Jentschel, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Koester, U. UNSPECIFIED UNSPECIFIED UNSPECIFIED Mutti, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Soldner, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Simpson, G. S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Drouet, F. UNSPECIFIED UNSPECIFIED UNSPECIFIED Vancraeyenest, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED de France, G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Clement, E. UNSPECIFIED UNSPECIFIED UNSPECIFIED Stezowski, O. UNSPECIFIED UNSPECIFIED UNSPECIFIED Ur, C. A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Urban, W. UNSPECIFIED UNSPECIFIED UNSPECIFIED Regan, P. H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Podolyak, Zs. UNSPECIFIED UNSPECIFIED UNSPECIFIED Larijani, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Townsley, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Carroll, R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Wilson, E. UNSPECIFIED UNSPECIFIED UNSPECIFIED Fraile, L. M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Mach, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Paziy, V. UNSPECIFIED UNSPECIFIED UNSPECIFIED Olaizola, B. UNSPECIFIED UNSPECIFIED UNSPECIFIED Vedia, V. UNSPECIFIED UNSPECIFIED UNSPECIFIED Bruce, A. M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Roberts, O. J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Smith, J. F. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kroell, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Hartig, A. -L. UNSPECIFIED UNSPECIFIED UNSPECIFIED Ignatov, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Ilieva, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Thuerauf, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lalkovski, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Ivanova, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kisyov, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Korten, W. UNSPECIFIED UNSPECIFIED UNSPECIFIED Salsac, M. -D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Zielinska, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Marginean, N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Ghita, D. G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lica, R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Petrache, C. M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Astier, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Leguillon, R. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-422804
DOI:	10.1103/PhysRevC.90.067301
Journal or Publication Title:	Phys. Rev. C
Volume:	90
Number:	6
Date:	2014
Publisher:	AMER PHYSICAL SOC
Place of Publication:	COLLEGE PK
ISSN:	1089-490X
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language EXCITED-STATES Multiple languages Physics, Nuclear Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/42280