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Recoil distance method lifetime measurements in <sup>107</sup>Cd and <sup>103</sup>Pd

Andgren, K and Ashley, SF and Regan, PH and McCutchan, EA and Zamfir, NV and Amon, L and Cakirli, RB and Casten, RF and Clark, RM and Erduran, MN and Gürdal, G and Keyes, KL and Meyer, DA and Papenberg, A and Pietralla, N and Plettner, C and Rainovski, G and Ribas, RV and Thomas, NJ and Vinson, J and Warner, DD and Werner, V and Williams, E (2006) Recoil distance method lifetime measurements in <sup>107</sup>Cd and <sup>103</sup>Pd. AIP Conference Proceedings, 831. pp. 391-393. ISSN 0094-243X

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Preliminary lifetime values have been measured for a number of near-yrast states in the odd-A transitional nuclei 107 Cd and 103 Pd. The reaction used to populate the nuclei of interest was 98 Mo( 12 C,3nxα) 107 Cd, 103 Pd, with the beam delivered by the tandem accelerator of the Wright Nuclear Structure Laboratory at an incident beam energy of 60 MeV. Our experiment was aimed at the investigation of collective excitations built on the unnatural parity, ν h 11/2 orbital, specifically by measuring the B(E2) values of decays from the excited levels built on this intrinsic structure, using the Doppler Recoil Distance Method. We report lifetimes and associated transition probabilities for decays from the 15/2 - and the 19/2 - states in 107 Cd and the first measurement of the 15/2 - state in 103 Pd. These results suggest that neither a simple rotational or vibrational interpretation is sufficient to explain the observed structures. © 2006 American Institute of Physics.

Item Type: Article
Divisions: Div A > Energy
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:11
Last Modified: 03 Aug 2017 03:03