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Total absorption spectroscopy study of the β decay of 86Br and 91Rb

Rice, S, Algora, A, Tain, JL, Valencia, E, Agramunt, J, Rubio, B, Gelletly, William, Regan, Patrick, Zakari-Issoufou, A-A, Fallot, M , Porta, A, Rissanen, J, Eronen, T, Äystö, J, Batist, L, Bowry, M, Bui, VM, Caballero-Folch, R, Cano-Ott, D, Elomaa, V-V, Estevez, E, Farrelly, GF, Garcia, AR, Gomez-Hornillos, B, Gorlychev, V, Hakala, J, Jordan, MD, Jokinen, A, Kolhinen, VS, Kondev, FG, Martínez, T, Mason, P, Mendoza, E, Moore, I, Penttilä, H, Podolyak, Zsolt, Reponen, M, Sonnenschein, V, Sonzogni, AA and Sarriguren, P (2017) Total absorption spectroscopy study of the β decay of 86Br and 91Rb Physical Review C, 96 (1), 014320.

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Abstract

The beta decays of 86Br and 91Rb have been studied using the total absorption spectroscopy technique. The radioactive nuclei were produced at the Ion Guide Isotope Separator On-Line facility in Jyväskylä and further purified using the JYFLTRAP. 86Br and 91Rb are considered to be major contributors to the decay heat in reactors. In addition, 91Rb was used as a normalization point in direct measurements of mean gamma energies released in the beta decay of fission products by Rudstam et al. assuming that this decay was well known from high-resolution measurements. Our results show that both decays were suffering from the Pandemonium effect and that the results of Rudstam et al. should be renormalized. The relative impact of the studied decays in the prediction of the decay heat and antineutrino spectrum from reactors has been evaluated

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Physics
Authors :
NameEmailORCID
Rice, SUNSPECIFIEDUNSPECIFIED
Algora, AUNSPECIFIEDUNSPECIFIED
Tain, JLUNSPECIFIEDUNSPECIFIED
Valencia, EUNSPECIFIEDUNSPECIFIED
Agramunt, JUNSPECIFIEDUNSPECIFIED
Rubio, BUNSPECIFIEDUNSPECIFIED
Gelletly, WilliamW.Gelletly@surrey.ac.ukUNSPECIFIED
Regan, PatrickP.Regan@surrey.ac.ukUNSPECIFIED
Zakari-Issoufou, A-AUNSPECIFIEDUNSPECIFIED
Fallot, MUNSPECIFIEDUNSPECIFIED
Porta, AUNSPECIFIEDUNSPECIFIED
Rissanen, JUNSPECIFIEDUNSPECIFIED
Eronen, TUNSPECIFIEDUNSPECIFIED
Äystö, JUNSPECIFIEDUNSPECIFIED
Batist, LUNSPECIFIEDUNSPECIFIED
Bowry, MUNSPECIFIEDUNSPECIFIED
Bui, VMUNSPECIFIEDUNSPECIFIED
Caballero-Folch, RUNSPECIFIEDUNSPECIFIED
Cano-Ott, DUNSPECIFIEDUNSPECIFIED
Elomaa, V-VUNSPECIFIEDUNSPECIFIED
Estevez, EUNSPECIFIEDUNSPECIFIED
Farrelly, GFUNSPECIFIEDUNSPECIFIED
Garcia, ARUNSPECIFIEDUNSPECIFIED
Gomez-Hornillos, BUNSPECIFIEDUNSPECIFIED
Gorlychev, VUNSPECIFIEDUNSPECIFIED
Hakala, JUNSPECIFIEDUNSPECIFIED
Jordan, MDUNSPECIFIEDUNSPECIFIED
Jokinen, AUNSPECIFIEDUNSPECIFIED
Kolhinen, VSUNSPECIFIEDUNSPECIFIED
Kondev, FGUNSPECIFIEDUNSPECIFIED
Martínez, TUNSPECIFIEDUNSPECIFIED
Mason, PUNSPECIFIEDUNSPECIFIED
Mendoza, EUNSPECIFIEDUNSPECIFIED
Moore, IUNSPECIFIEDUNSPECIFIED
Penttilä, HUNSPECIFIEDUNSPECIFIED
Podolyak, ZsoltZ.Podolyak@surrey.ac.ukUNSPECIFIED
Reponen, MUNSPECIFIEDUNSPECIFIED
Sonnenschein, VUNSPECIFIEDUNSPECIFIED
Sonzogni, AAUNSPECIFIEDUNSPECIFIED
Sarriguren, PUNSPECIFIEDUNSPECIFIED
Date : 27 July 2017
Identification Number : 10.1103/PhysRevC.96.014320
Copyright Disclaimer : ©2017 American Physical Society
Depositing User : Melanie Hughes
Date Deposited : 03 Aug 2017 11:34
Last Modified : 03 Aug 2017 11:34
URI: http://epubs.surrey.ac.uk/id/eprint/841835

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