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Intrinsic state lifetimes in (103)Pd and (106,107)Cd

Ashley, SF, Regan, PH, Andgren, K, McCutchan, EA, Zamfir, NV, Amon, L, Cakirli, RB, Casten, RF, Clark, RM, Gelletly, W, Guerdal, G, Keyes, KL, Meyer, DA, Erduran, MN, Papenberg, A, Pietralla, N, Plettner, C, Rainovski, G, Ribas, RV, Thomas, NJ, Vinson, J, Warner, DD, Werner, V, Williams, E, Liu, HL and Xu, FR (2007) Intrinsic state lifetimes in (103)Pd and (106,107)Cd PHYSICAL REVIEW C, 76 (6). ? - ?. ISSN 0556-2813

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Abstract

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.

Item Type: Article
Uncontrolled Keywords: Science & Technology, Physical Sciences, Physics, Nuclear, Physics, RECOIL DISTANCE METHOD, DECAY CURVE METHOD, COLLECTIVE EXCITATION, HEAVY-ION, CD-107, DEFORMATIONS, BANDS
Related URLs:
Divisions: Faculty of Engineering and Physical Sciences > Physics
Depositing User: Mr Adam Field
Date Deposited: 27 May 2010 14:08
Last Modified: 23 Sep 2013 18:27
URI: http://epubs.surrey.ac.uk/id/eprint/397

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