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Electromagnetic transition rates in (100,101)Pd using the Recoil Doppler Shift Technique.

Anagnostatou, V, Regan, PH, Werner, V, Xu, FR, Dong, GX, Bunce, MR, McCarthy, D, Bettermann, L, Boniwell, C, Casperson, R , Chevrier, R, Cooper, N, Heinz, A, Paurstein, P, Radeck, D, Smith, MK and Williams, E (2011) Electromagnetic transition rates in (100,101)Pd using the Recoil Doppler Shift Technique. Appl Radiat Isot.

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Abstract

The quadrupole deformations for the low-lying states in the transitional nuclei (100,101)Pd have been deduced through the measurement of their electric quadrupole transition probabilities using the Recoil Distance Doppler Shift Method. The nuclei were studied using a 268MeV (80)Se beam impinging on a thin, self-supporting (24)Mg target. States in (100)Pd and (101)Pd populated by the four and three neutron evaporation channels respectively, with reaction gamma-rays detected using the SPEEDY gamma-ray detection array. The recoiling nuclei were stopped in a copper foil and gamma-ray coincidence data taken at 10 separate target-stopper distances between 35μm and 750μm. The mean-lifetimes for the lowest lying 2(+) (in (100)Pd) and 15/2(-) (in (101)Pd) states were measured to be 13.3(9)ps and 10.8(8)ps respectively. These data are compared with predictions from nuclear Total Routhian Surface calculations, which are found to agree with the experimentally deduced values to within 10%.

Item Type: Article
Authors :
NameEmailORCID
Anagnostatou, VUNSPECIFIEDUNSPECIFIED
Regan, PHp.regan@surrey.ac.ukUNSPECIFIED
Werner, VUNSPECIFIEDUNSPECIFIED
Xu, FRUNSPECIFIEDUNSPECIFIED
Dong, GXUNSPECIFIEDUNSPECIFIED
Bunce, MRUNSPECIFIEDUNSPECIFIED
McCarthy, DUNSPECIFIEDUNSPECIFIED
Bettermann, LUNSPECIFIEDUNSPECIFIED
Boniwell, CUNSPECIFIEDUNSPECIFIED
Casperson, RUNSPECIFIEDUNSPECIFIED
Chevrier, RUNSPECIFIEDUNSPECIFIED
Cooper, NUNSPECIFIEDUNSPECIFIED
Heinz, AUNSPECIFIEDUNSPECIFIED
Paurstein, PUNSPECIFIEDUNSPECIFIED
Radeck, DUNSPECIFIEDUNSPECIFIED
Smith, MKUNSPECIFIEDUNSPECIFIED
Williams, EUNSPECIFIEDUNSPECIFIED
Date : 13 December 2011
Identification Number : 10.1016/j.apradiso.2011.12.005
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 12:17
Last Modified : 17 May 2017 15:02
URI: http://epubs.surrey.ac.uk/id/eprint/834748

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