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Journal articles
Total absorption spectroscopy study of $^{92}$Rb decay: a major contributor to reactor antineutrino flux
A. -A. Zakari-Issoufou
1
Muriel Fallot
1
A. Porta
A. Algora
J. L. Tain
E. Valencia
S. Rice
van Minh Bui
1
S. Cormon
1
Magali Estienne
1
J. Agramunt
J. Äystö
M. Bowry
J. A. Briz
R. Caballero-Folch
D. Cano-Ott
A. Cucoanes
1
V. -V. Elomaa
T. Eronen
E. Estévez
G. F. Farrelly
A. R. Garcia
W. Gelletly
M. B Gomez-Hornillos
V. Gorlychev
J. Hakala
A. Jokinen
M. D. Jordan
A. Kankainen
P. Karvonen
V. S. Kolhinen
F. G Kondev
T. Martinez
E. Mendoza
F. Molina
I. Moore
A. Perez
Zs. Podolyák
H. Penttilä
P. H. Regan
M. Reponen
J. Rissanen
B. Rubio
T. Shiba
1
A. A. Sonzogni
C. Weber
A. -A. Zakari-Issoufou 1
Author
Muriel Fallot 1
Author IdHAL : muriel-fallot
A. Porta
Author IdHAL : amanda-porta ORCID : https://orcid.org/0000-0003-4747-6463
A. Algora
Author
S. Cormon 1
Author
Magali Estienne 1
Author IdHAL : magali-estienne arXiv : https://arxiv.org/a/estienne ORCID : https://orcid.org/0000-0003-0687-5580
J. Agramunt
Author
J. Äystö
Author
A. A. Sonzogni
Author
C. Weber
Author
1
SUBATECH - Laboratoire SUBATECH Nantes (4, rue Alfred Kastler - 44070 Nantes Cedex 03 - France)
- CNRS - Centre National de la Recherche Scientifique : UMR6457 (France)
- IN2P3 - Institut National de Physique Nucléaire et de Physique des Particules du CNRS (France)
- UN - Université de Nantes (1, quai de Tourville - BP 13522 - 44035 Nantes cedex 1 - France)
- Mines Nantes - Mines Nantes (La Chantrerie - 4, rue Alfred Kastler - BP 20722 - 44307 Nantes cedex 3 - France)
Abstract : The antineutrino spectra measured in recent experiments at reactors are inconsistent with calculations based on the conversion of integral beta spectra recorded at the ILL reactor. $^{92}$Rb makes the dominant contribution to the reactor spectrum in the 5-8 MeV range but its decay properties are in question. We have studied $^{92}$Rb decay with total absorption spectroscopy. Previously unobserved beta feeding was seen in the 4.5-5.5 region and the GS to GS feeding was found to be 87.5(25)%. The impact on the reactor antineutrino spectra calculated with the summation method is shown and discussed.
Document type :
Journal articles
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http://hal.in2p3.fr/in2p3-01163990
Contributor : Sylvie Flores <>
Submitted on : Tuesday, June 16, 2015 - 7:52:53 AM
Last modification on : Monday, June 15, 2020 - 3:00:02 PM
Contributor : Sylvie Flores <>
Submitted on : Tuesday, June 16, 2015 - 7:52:53 AM
Last modification on : Monday, June 15, 2020 - 3:00:02 PM
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Identifiers
- HAL Id : in2p3-01163990, version 1
- ARXIV : 1504.05812
- DOI : 10.1103/PhysRevLett.115.102503
Collections
IN2P3 | CNRS | UNIV-NANTES | SUBATECH | IMT-ATLANTIQUE | SUBATECH-SEN
Citation
A. -A. Zakari-Issoufou, Muriel Fallot, A. Porta, A. Algora, J. L. Tain, et al.. Total absorption spectroscopy study of $^{92}$Rb decay: a major contributor to reactor antineutrino flux. Physical Review Letters, American Physical Society, 2015, 110 (10), pp.102503. ⟨10.1103/PhysRevLett.115.102503⟩. ⟨in2p3-01163990⟩
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