Neutron capture reactions on Lu isotopes at DANCE

Free access article

Issue		EPJ Web of Conferences Volume 2, 2010 CNR*09 - Second International Workshop on Compound Nuclear Reactions and Related Topics


Article Number		05003
Number of page(s)		4
Section		Neutron Induced Reactions
DOI		10.1051/epjconf/20100205003
Published online		09 March 2010

EPJ Web of Conferences 2, 05003 (2010)

Neutron capture reactions on Lu isotopes at DANCE

O. Roig¹^,2^a, M. Jandel², D.J. Vieira², E.M. Bond², T.A. Bredeweg², A.J. Couture², J.-M. Daugas¹, R.C Haight², A.L. Keksis², V. Méot¹, P. Morel¹, J.M. O’Donnell², R.S. Rundberg², W.A. Taylor², J.L. Ullmann² and J.M. Wouters²

¹ CEA DAM DIF, F-91297 Arpajon, France
² Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA

^a e-mail: olivier.roig@cea.fr

Abstract

The DANCE (Detector for Advanced Neutron Capture Experiments) array located at the Los Alamos national laboratory has been used to obtain the neutron capture cross sections for the ¹⁷⁵Lu and ¹⁷⁶Lu isotopes with neutron energies from thermal up to 100 keV. Both isotopes are of current interest for the nucleosynthesis s-process in astrophysics and for applications as in reactor physics or in nuclear medicine. Three targets were used to perform these measurements. One was ^natLu foil and the other two were isotope-enriched targets of ¹⁷⁵Lu and ¹⁷⁶Lu. The cross sections are obtained for now through a precise neutron flux determination and a normalization at the thermal neutron cross section value. A comparison with the recent experimental data and the evaluated data of ENDF/B-VII.0 will be presented. In addition, resonances parameters and spin assignments for some resonances will be featured.

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