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Author
n_TOF Collaboration (Sanchez-Caballero, A. et al)
;
Babiano-Suarez, V.
;
Balibrea-Correa, J.
;
Domingo-Pardo, C.
;
Ladarescu, I.
;
Lerendegui-Marco, J.
Title
Low-uncertainty measurement of the 239Pu(n,f) cross section at n_TOF in a very broad energy range from 0.02 eV up to 10 MeV
Type
Journal Article
Year
2026
Publication
Physics Letters B
Abbreviated Journal
Phys. Lett. B
Volume
872
Issue
Pages
140070 - 8pp
Keywords
Nuclear reaction
;
Neutron-induced reaction
;
n_TOF
;
Fission
;
Cross section measurement
;
Plutonium-239
Abstract
The Pu-239(n,f) cross section was measured with uncertainties below 4% from 20 meV up to 10 MeV of neutron energy at CERN's n_TOF facility using a novel fission fragment detector with a 185.59 m flight path. Measured cross section was normalized to 1059(6) eV center dot b in the 9-20 eV energy range, and is consistent within uncertainties with the standard thermal value and the IAEA reference Pu-239(n,f) cross section. Experimental key values include the integral ratio I-3/I-1= 41.20(42) defined by Duran et al. 2024 and the spectrum averaged cross section in Cf-252(sf) reference neutron field of 1802(40) mb.
Address
[Sanchez-Caballero, A.; Cano-Ott, D.; Mendoza, E.; Alcayne, V.; Garcia Perez, J.; Gonzalez-Romero, E.; Martinez, T.; De Rada Fiol, A. Perez; Villamarin, D.; Plaza Del Olmo, J.] Ctr Invest Energet Medioambientales & Tecnol CIEM, Madrid, Spain, Email: adrian.sanchez@ciemat.es;
Corporate Author
Thesis
Publisher
Elsevier
Place of Publication
Editor
Language
English
Summary Language
Original Title
Series Editor
Series Title
Abbreviated Series Title
Series Volume
Series Issue
Edition
ISSN
0370-2693
ISBN
Medium
Area
Expedition
Conference
Notes
WOS:001672031200001
Approved
no
Is ISI
yes
International Collaboration
yes
Call Number
IFIC @ pastor @
Serial
7047
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