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Author (up) n_TOF Collaboration (Sanchez-Caballero, A. et al); Babiano-Suarez, V.; Balibrea-Correa, J.; Domingo-Pardo, C.; Ladarescu, I.; Lerendegui-Marco, J. doi  openurl
  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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