Shapes of Pb-192,Pb-190 ground states from beta-decay studies using the total-absorption technique
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2015
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Amer Physical Soc
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Abstract
The beta decay of Pb-192,Pb-190 has been studied using the total absorption technique at the ISOLDE (CERN) facility. The beta-decay strength deduced from the measurements, combined with QRPA theoretical calculations, allow us to infer that the ground states of the Pb-192,Pb-190 isotopes are spherical. These results represent the first application of the shape determination method using the total absorption technique for heavy nuclei and in a region where there is considerable interest in nuclear shapes and shape effects.
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© Amer Physical Soc 2015.
Artículo firmado por 12 autores.
This work has been supported by the Spanish Ministerio de Ciencia e Innovacion y Ministerio de Economia y Competitividad through projects no. FPA2008-06419-C02-01, FPA2011-24553, FPA2013-41267-P, FPA2014-52823-C2-1-P, FRPA2012-32443, FIS2011-23565, and CSD-2007-00042 (CPAN Consolider, Ingenio2010), by the European Union Seventh Framework via ENSAR (contract no. 262010), contract no. PIOF-GA-2011-298364 and by OTKA contracts no. K100835 and K106035. Some of the Spanish projects are co-financed by FEDER funds.