Reactor Decay Heat in Pu-239: Solving the gamma Discrepancy in the 4-3000-s Cooling Period

A. Algora; D. Jordan; J. L. Tain; B. Rubio; J. Agramunt; A. B. Perez-Cerdan; F. Molina; L. Caballero; E. Nacher; A. Krasznahorkay; M. D. Hunyadi; J. Gulyas; A. Vitez; M. Csatlos; L. Csige; J. A. Aysto; H. Penttila; I. D. Moore; T. Eronen; A. Jokinen; A. Nieminen; J. Hakala; P. Karvonen; A. Kankainen; A. Saastamoinen; J. Rissanen; T. Kessler; C. Weber; J. Ronkainen; S. Rahaman; V. Elomaa; S. Rinta-Antila; U. Hager; T. Sonoda; K. Burkard; W. Hueller; L. Batist; W. Gelletly; A. L. Nichols; T. Yoshida; A. A. Sonzogni; K. Perajarvi

doi:10.1103/PhysRevLett.105.202501

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Reactor Decay Heat in Pu-239: Solving the gamma Discrepancy in the 4-3000-s Cooling Period

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Reactor Decay Heat in Pu-239: Solving the gamma Discrepancy in the 4-3000-s Cooling Period

A. Algora, D. Jordan, J. L. Tain, B. Rubio, J. Agramunt, A. B. Perez-Cerdan, F. Molina, L. Caballero, E. Nacher, A. Krasznahorkay, …

Physical review letters, Vol.105(20), 202501

08/11/2010

DOI: https://doi.org/10.1103/PhysRevLett.105.202501

PMID: 21231223

Abstract

Physical Sciences

Physics

Physics, Multidisciplinary

Science & Technology

The beta feeding probability of Tc-102,Tc- 104,Tc- 105,Tc- 106,Tc- 107, Mo-105, and Nb-101 nuclei, which are important contributors to the decay heat in nuclear reactors, has been measured using the total absorption technique. We have coupled for the first time a total absorption spectrometer to a Penning trap in order to obtain sources of very high isobaric purity. Our results solve a significant part of a long-standing discrepancy in the gamma component of the decay heat for Pu-239 in the 4-3000 s range.

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Title: Reactor Decay Heat in Pu-239: Solving the gamma Discrepancy in the 4-3000-s Cooling Period
Creators: A. Algora - Consejo Superior de Investigaciones Científicas
D. Jordan - Universitat de València
J. L. Tain - Univ Valencia, IFIC, CSIC, Valencia, Spain
B. Rubio - Universitat de València
J. Agramunt - Universitat de València
A. B. Perez-Cerdan - Universitat de València
F. Molina - Universitat de València
L. Caballero - Universitat de València
E. Nacher - Universitat de València
A. Krasznahorkay - Hungarian Academy of Sciences
M. D. Hunyadi - Hungarian Academy of Sciences
J. Gulyas - Hungarian Academy of Sciences
A. Vitez - Hungarian Academy of Sciences
M. Csatlos - Hungarian Academy of Sciences
L. Csige - Hungarian Academy of Sciences
J. A. Aysto - University of Jyväskylä
H. Penttila - University of Jyväskylä
I. D. Moore - University of Jyväskylä
T. Eronen - University of Jyväskylä
A. Jokinen - University of Jyväskylä
A. Nieminen - University of Jyväskylä
J. Hakala - University of Jyväskylä
P. Karvonen - University of Jyväskylä
A. Kankainen - University of Jyväskylä
A. Saastamoinen - University of Jyväskylä
J. Rissanen - University of Jyväskylä
T. Kessler - University of Jyväskylä
C. Weber - University of Jyväskylä
J. Ronkainen - University of Jyväskylä
S. Rahaman - University of Jyväskylä
V. Elomaa - University of Jyväskylä
S. Rinta-Antila - University of Jyväskylä
U. Hager - University of Jyväskylä
T. Sonoda - University of Jyväskylä
K. Burkard - GSI Helmholtz Centre for Heavy Ion Research
W. Hueller - GSI Darmstadt, D-6100 Darmstadt, Germany
L. Batist - Petersburg Nuclear Physics Institute
W. Gelletly - University of Surrey
A. L. Nichols - University of Surrey
T. Yoshida - Tokyo City University
A. A. Sonzogni - Brookhaven National Laboratory
K. Perajarvi - Radiation and Nuclear Safety Authority
Publication Details: Physical review letters, Vol.105(20), 202501
Publisher: Amer Physical Soc
Number of pages: 4
Date published: 08/11/2010
Grant note: K72566 / Hungarian OTKA; Orszagos Tudomanyos Kutatasi Alapprogramok (OTKA) Hungarian-Spanish collaboration program ST/F012012/1 / STFC; UK Research & Innovation (UKRI); Science & Technology Facilities Council (STFC) 2005-03993; FPA2008-06419-C02-01 / Spanish FPA Finnish Center of Excellence Programme 506065 / EU; European Union (EU) ST/F012012/1 / Science and Technology Facilities Council; UK Research & Innovation (UKRI); Science & Technology Facilities Council (STFC) MERG-CT-2004-506849 / EC; European Union (EU); European Commission Joint Research Centre
Identifiers: 99928575202346
Academic Unit: School of Maths and Physics
Language: English
Resource Type: Journal article

Reactor Decay Heat in Pu-239: Solving the gamma Discrepancy in the 4-3000-s Cooling Period

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