ENDF/B-VIII.0: The 8th Major Release of the Nuclear Reaction Data Library with CIELO-project Cross Sections, New Standards and Thermal Scattering Data

DA Brown and MB Chadwick and R Capote and AC Kahler and A Trkov and MW Herman and AA Sonzogni and Y Danon and AD Carlson and M Dunn and DL Smith and GM Hale and G Arbanas and R Arcilla and CR Bates and B Beck and B Becker and F Brown and RJ Casperson and J Conlin and DE Cullen and MA Descalle and R Firestone and T Gaines and KH Guber and AI Hawari and J Holmes and TD Johnson and T Kawano and BC Kiedrowski and AJ Koning and S Kopecky and L Leal and JP Lestone and C Lubitz and JIM Damian and CM Mattoon and EA McCutchan and S Mughabghab and P Navratil and D Neudecker and GPA Nobre and G Noguere and M Paris and MT Pigni and AJ Plompen and B Pritychenko and VG Pronyaev and D Roubtsov and D Rochman and P Romano and P Schillebeeckx and S Simakov and M Sin and I Sirakov and B Sleaford and V Sobes and ES Soukhovitskii and I Stetcu and P Talou and I Thompson and S van der Marck and L Welser-Sherrill and D Wiarda and M White and JL Wormald and RQ Wright and M Zerkle and G Zerovnik and Y Zhu, NUCLEAR DATA SHEETS, 148, 1-142 (2018).

DOI: 10.1016/j.nds.2018.02.001

We describe the new ENDF/B-VIII.0 evaluated nuclear reaction data library. ENDF/B-VIII.0 fully incorporates the new IAEA standards, includes improved thermal neutron scattering data and uses new evaluated data from the CIELO project for neutron reactions on H-1, O-16, Fe-56, U-235, U-238 and Pu-239 described in companion papers in the present issue of Nuclear Data Sheets. The evaluations benefit from recent experimental data obtained in the U.S. and Europe, and improvements in theory and simulation. Notable advances include updated evaluated data for light nuclei, structural materials, actinides, fission energy release, prompt fission neutron and ray spectra, thermal neutron scattering data, and charged-particle reactions. Integral validation testing is shown for a wide range of criticality, reaction rate, and neutron transmission benchmarks. In general, integral validation performance of the library is improved relative to the previous ENDF/B-VII.1 library.

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