Gamma/neutron competition above the neutron separation energy in delayed neutron emitters

E. Valencia; A. Algora; J. L. Tain; S. Rice; J. Agramunt; A. -A. Zakari-Issoufou; J. Äystö; M. Bowry; V. M. Bui; R. Caballero-Folch; D. Cano-Ott; V. Eloma; T. Eronen; E. Estevez; G.F. Farrelly; M. Fallot; A. Garcia; W. Gelletly; M.B. Gomez-Hornillos; V. Gorlychev; J. Hakala; A. Jokinen; M. D. Jordan; A. Kankainen; F. G. Kondev; T. Martinez; E. Mendoza; F. Molina; I. Moore; A. Perez; Zs. Podolyak; H. Penttilä; A. Porta; P. H. Regan; J. Rissanen; B. Rubio; C. Weber

doi:10.1051/epjconf/20146602002

All issues

Volume 66 (2014)

EPJ Web of Conferences, 66 (2014) 02002

Abstract

Open Access

Issue		EPJ Web of Conferences Volume 66, 2014 INPC 2013 – International Nuclear Physics Conference


Article Number		02002
Number of page(s)		4
Section		Nuclear Structure
DOI		https://doi.org/10.1051/epjconf/20146602002
Published online		20 March 2014

EPJ Web of Conferences 66, 02002 (2014)
https://doi.org/10.1051/epjconf/20146602002

Gamma/neutron competition above the neutron separation energy in delayed neutron emitters

E. Valencia¹^a, A. Algora¹^,2, J. L. Tain¹, S. Rice³, J. Agramunt¹, A. -A. Zakari-Issoufou⁴, J. Äystö⁵, M. Bowry³, V. M. Bui⁴, R. Caballero-Folch⁶, D. Cano-Ott⁷, V. Eloma⁵, T. Eronen⁵, E. Estevez¹, G.F. Farrelly³, M. Fallot⁴, A. Garcia⁷, W. Gelletly³, M.B. Gomez-Hornillos⁶, V. Gorlychev⁶, J. Hakala⁵, A. Jokinen⁵, M. D. Jordan¹, A. Kankainen⁵, F. G. Kondev⁸, T. Martinez⁷, E. Mendoza⁷, F. Molina¹, I. Moore⁵, A. Perez¹, Zs. Podolyak³, H. Penttilä⁵, A. Porta⁴, P. H. Regan, J. Rissanen⁵, B. Rubio¹, C. Weber⁵ and IGISOL people

¹ IFIC, CSIC - University of Valencia, E-46071, Valencia, Spain
² Institute of Nuclear Research, Debrecen, Hungary
³ University of Surrey, GU2 7XH, Guildford, UK
⁴ Subatech, CNRS/INP2P3, Nantes, EMN, 44307, Nantes, France
⁵ IGISOL, University of Jyväskylä, FIN-40014, Jyväskylä, Finland
⁶ Universitat Politecnica de Catalunya, 08028, Barcelona, Spain
⁷ CIEMAT, 28040, Madrid, Spain
⁸ Nuclear Engineering Division, Argonne National Laboratory, IL 60439, Argonne, USA

^a e-mail: ebvalma@ific.uv.es

Published online: 20 March 2014

Abstract

To study the β-decay properties of some well known delayed neutron emitters an experiment was performed in 2009 at the IGISOL facility (University of Jyväskylä in Finland) using Total Absorption γ-ray Spectroscopy (TAGS) technique. The aim of these measurements is to obtain the full β-strength distribution below the neutron separation energy (S_n) and the γ/neutron competition above. This information is a key parameter in nuclear technology applications as well as in nuclear astrophysics and nuclear structure. Preliminary results of the analysis show a significant γ-branching ratio above S_n.

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