Intrinsic state lifetimes in Pd-103 and Cd-106,Cd-107
2007 (English)In: Physical Review C. Nuclear Physics, ISSN 0556-2813, E-ISSN 1089-490X, Vol. 76, no 6, 064302- p.Article in journal (Refereed) Published
The mean-lifetimes, tau, of various medium-spin excited states in Pd-103 and Cd-106,Cd-107 have been deduced using the Recoil Distance Doppler Shift technique and the Differential Decay Curve Method. In Cd-106, the mean-lifetimes of the I-pi=12(+) state at E-x=5418 keV and the I-pi=11(-) state at E-x=4324 keV have been deduced as 11.4(17)ps and 8.2(7)ps, respectively. The associated beta(2) deformation within the axially-symmetric deformed rotor model for these states are 0.14(1) and 0.14(1), respectively. The beta(2) deformation of 0.14(1) for the I-pi=12(+) state in Cd-106 compares with a predicted beta(2) value from total Routhian surface (TRS) calculations of 0.17. In addition, the mean-lifetimes of the yrast I-pi = 15(-)/2 states in Pd-103 (at E-x=1262 keV) and Cd-107 (at E-x=1360 keV) have been deduced to be 31.2(44)ps and 31.4(17)ps, respectively, corresponding to beta(2) values of 0.16(1) and 0.12(1) assuming axial symmetry. Agreement with TRS calculations are good for Pd-103 but deviate for that predicted for Cd-107.
Place, publisher, year, edition, pages
2007. Vol. 76, no 6, 064302- p.
RECOIL DISTANCE METHOD, DECAY CURVE METHOD, COLLECTIVE EXCITATION, HEAVY-ION, CD-107, DEFORMATIONS, BANDS
IdentifiersURN: urn:nbn:se:kth:diva-36032DOI: 10.1103/PhysRevC.76.064302ISI: 000251987000011ScopusID: 2-s2.0-36949028742OAI: oai:DiVA.org:kth-36032DiVA: diva2:430326
QC 201107082011-07-082011-07-062011-07-08Bibliographically approved