<math xmlns="http://www.w3.org/1998/Math/MathML"><mrow><mmultiscripts><mi mathvariant="normal">W</mi><mprescripts></mprescripts><none></none><mn>182</mn></mmultiscripts><mo>(</mo><mi>n</mi><mo>,</mo><mn>2</mn><mi>n</mi><mo>)</mo><mmultiscripts><mi mathvariant="normal">W</mi><mprescripts></mprescripts><none></none><mn>181</mn></mmultiscripts></mrow></math> cross-section data from threshold to 15 MeV

W. Tornow; S. W. Finch; Yuko Saito

doi:10.1103/jhf9-dgdv

${}^{182}W (n, 2 n) {}^{181}W$ cross-section data from threshold to 15 MeV

W. Tornow ^* and S. W. Finch ^2,†

Yuko Saito

Department of Physics, Duke University and Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708-0308, USA

Department of Physics, Tohoku University, Sendai 980-8578, Japan

^*Contact author: tornow@tunl.duke.edu
^†Contact author: sfinch@tunl.duke.edu

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Phys. Rev. C 112, 014615 – Published 14 July, 2025

DOI: https://doi.org/10.1103/jhf9-dgdv

Abstract

Measurements of the ${}^{182}W (n, 2 n) {}^{181}W$ cross section have been performed in the neutron energy range between 8 and 15 MeV using the activation technique. Such data are needed to help interpret results of laser shots at the National Ignition Facility using a new deuterium-tritium capsule design, featuring a high- $Z$ inner shell, with tungsten as the favored material, and an outer shell made of a low- $Z$ material. Our data are in very good agreement with the previous data of Frehaut et al. (Technical Report No. 6447, Centre d'Etudes Nucleaires, Saclay, 2016), which are based on a different technique, and are in fair agreement with the ENDF/B-VIII.0 and the JEFF-3.3 evaluations.

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${}^{182}W (n, 2 n) {}^{181}W$ cross-section data from threshold to 15 MeV

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W182(n,2n)W181 cross-section data from threshold to 15 MeV

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${}^{182}W (n, 2 n) {}^{181}W$ cross-section data from threshold to 15 MeV