Regis, J. -M., Jolie, J., Saed-Samii, N., Warr, N., Pfeiffer, M., Blanc, A., Jentschel, M., Koster, 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., Scheck, M., Kroell, T., Hartig, A. -L., Ignatov, A., Ilieva, S., Lalkovski, S., Korten, W., Marginean, N., Otsuka, T., Shimizu, N., Togashi, T. and Tsunoda, Y. (2017). Abrupt shape transition at neutron number N=60: B(E2) values in Sr-94,Sr-96,Sr-98 from fast gamma-gamma timing. Phys. Rev. C, 95 (5). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9993

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Abstract

Lifetimes of low-lying yrast states in neutron-rich Sr-94,Sr-96,Sr-98 have been measured by Germanium-gated gamma-gamma fast timing with LaBr3(Ce) detectors using the EXILL& FATIMA spectrometer at the Institut Laue-Langevin. Sr fission products were generated using cold-neutron-induced fission of 235U and stopped almost instantaneously within the thick target. The experimental B(E2) values are compared with results of Monte Carlo shell-model calculations made without truncation on the occupation numbers of the orbits spanned by eight proton and eight neutron orbits and show good agreement. Similarly to the Zr isotopes, the abrupt shape transition in the Sr isotopes near neutron number N = 60 is identified as being caused by many-proton excitations to its g(9/2) orbit.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Regis, J. -M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Jolie, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Saed-Samii, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Warr, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pfeiffer, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Blanc, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Jentschel, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Koster, U.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Mutti, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Soldner, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Simpson, G. S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Drouet, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Vancraeyenest, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
de France, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Clement, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Stezowski, O.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ur, C. A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Urban, W.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Regan, P. H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Podolyak, Zs.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Larijani, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Townsley, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Carroll, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wilson, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fraile, L. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Mach, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Paziy, V.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Olaizola, B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Vedia, V.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bruce, A. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Roberts, O. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Smith, J. F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Scheck, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kroell, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hartig, A. -L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ignatov, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ilieva, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lalkovski, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Korten, W.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Marginean, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Otsuka, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Shimizu, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Togashi, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Tsunoda, Y.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-230773
DOI: 10.1103/PhysRevC.95.054319
Journal or Publication Title: Phys. Rev. C
Volume: 95
Number: 5
Date: 2017
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; DEFORMATIONMultiple languages
Physics, NuclearMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/23077

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