• “Members” was updated. (April 14, 2026)
• “Errata of JENDL-5 (update-18)” was updated. (March 21, 2026)
• “Errata of JENDL-5 (update-17)” was updated. (March 21, 2026)
• “Group members” was updated. (June 10, 2025)
• “Errata of JENDL-5 (update-16)” was updated. (January 10, 2025)
• “Cross section data tables of reaction, nuclide production, etc. (JENDL-5 Deuteron, Alpha)” were released. (November 21, 2024)
• “Errata of JENDL-5 (update-15)” was updated. (November 21, 2024)
• “Cross section data tables of reaction, fission, nuclide production, etc. (JENDL-5 Neutron, Proton, Photonuclear / JENDL/PD-2016 / JENDL/PD-2016.1)” were released. (July 9, 2024)
• “Errata of JENDL-5 (update-14)” was updated. (July 9, 2024)
• “Group members” was updated. (April 1, 2024)
• “Errata of JENDL-5 (update-12,13)” was updated. (August 10, 2023)
• “Cumulative fission yield data calculated with nuclei of T_1/2<1000 y” were released. (February 27, 2023)
• “Group members” was updated. (April 1, 2023)
• “Group members” was updated. (March 1, 2023)
• “Errata of JENDL-5 (update-10,11)” was updated. (January 18, 2023)
• Cross-section library of JENDL-5 for MCNP/PHITS was released. (December 9, 2022)
• “Errata of JENDL-5 (update-9)” was updated. (October 06, 2022)
• “Errata of JENDL-5 (update-8)” was updated. (July 13, 2022)
• “Figures of neutron reproduction factor” of JENDL-5 were released. (May 26, 2022)
• “Errata of JENDL-5 (update-6,7)” was updated. (May 26, 2022)
• “JENDL Committee” was updated. (May 11, 2022)
• “Errata of JENDL-5 (update-5)” was updated. (April 27, 2022)
• “Group members” was updated. (April 1, 2022)
• “Errata of JENDL-5 (update-4)” was updated. (March 16, 2022)
• “Errata of JENDL-5 (update-1,2,3)” was updated. (February 16, 2022)
• Cross-section library of JENDL-5 for MCNP/PHITS was released. (February 14, 2022)
• “JENDL Committee” was updated. (January 14, 2022)
• “Recent Publications” were updated. (January 14, 2022)
• JENDL-5 was released. (December 27, 2021)
• Cross-section library of JENDL-4.0/HE for MCNP/PHITS was released. (May 12, 2021)
• 199 group activation cross section library of JENDL/AD-2017 for ORIGEN-S was released. (May 12, 2021)
• “Paper·Report etc.” was updated. (April 14, 2021)
• “Group members” was updated. (April 14, 2021)
• JENDL Deuteron Reaction Data File 2020 was released. (February 10, 2021)
• “Paper·Report etc.” was updated. (July 15, 2020)
• “Group members” was updated. (April 1, 2020)
• JENDL Photonuclear Data File 2016 revison 1 was released. (February 17, 2020)
• “Plotting Tool for ENDF” was modified to support the plotting of the data for natural elements. (September 24, 2019)
• JENDL LLFP Transmutation Cross Section File 2018 was released. (August 30, 2019)
• Notification of Chart of the Nuclides 2018 was posted. (June 26, 2019)
• “Group members” was updated. (April 19, 2019)
• “Paper·Report etc.” was updated. (April 19, 2019)
• “Paper·Report etc.” was updated. (December 04, 2018)
• “Group members” was updated. (April 18, 2018)
• “Group members” was updated. (April 02, 2018)
• JENDL Activation Cross Section File for Nuclear Decommissioning 2017 was released. (March 30, 2018)
• JENDL Photonuclear Data File 2016 was released. (December 28, 2017)
• Table of production cross-sections stored in JENDL-4.0/HE was released. (August 09, 2017)
• “Paper·Report etc.” was updated. (July 03, 2017)
• JENDL FP Fission Yields Data File 2011 was updated. (April 25, 2017)
• “Group members” was updated. (April 03, 2017)
• “Paper·Report etc.” was updated. (April 03, 2017)
• “Group members” was updated. (March 01, 2017)
• “Paper·Report etc.” was updated. (January 04, 2017)
• “Paper·Report etc.” was updated. (September 26, 2016)
• “Group members” was updated. (September 26, 2016)
• “Paper·Report etc.” was updated. (April 25, 2016)
• “Group members” was updated. (April 01, 2016)
• JENDL FP Decay Data File 2000 was updated.(February 03, 2016)
• JENDL Decay Data File 2015 was updated.(February 03, 2016)
• Information about JENDL mailing list was posted.(February 03, 2016)
• JENDL Decay Data File 2015 was updated.(January 26, 2016)
• A new update file for Rh-105 was added in the JENDL-4.0u page. (January 26, 2016)
• JENDL-4.0/HE was released. (November 20, 2015)
• JENDL Decay Data File 2015 was released. (November 02, 2015)
• A new update file for Pb-204,206,207,208 was added in the JENDL-4.0u page. (September 14, 2015)
• “Group members” was updated. (September 01, 2015)
• “Group members” was updated. (July 01, 2015)
• WWW Chart of the Nuclides 2014 The first version.(June 08, 2015)
• “Group members” was updated. (April 6, 2014)
• A new update file for Sr-88 was added in the JENDL-4.0u page. (January 22, 2015)
• Edited the Top Page.(2014/10/1)
• “Group members” was updated. (April 1, 2014)
• In “JENDL FP Decay Data Files 2011 (JENDL/FPD-2011)”, Ag-115 (ground state) was updated. (2013/10/24)
• The “Group members” page was updated. (2013/10/02)
• The maintainance for “View of Average Resonance Cross Section (VARCS)” was completed. (2013/09/19)
• “View of Average Resonance Cross Section (VARCS)” is not available for maintainance now. (2013/09/18)
• A new update file for Au-197 was added in the JENDL-4.0u page. (August 13, 2013)
• New update files for 12 nuclides were added in the JENDL-4.0u page. (July 10, 2013)
• Two web tools, “View of Average Resonance Cross Section (VARCS)” and “Search for Resolved Resonances&rdauo; were added in the Tools for drawing graphs, etc. page. (July 5, 2013)
• The left-side menu was fixed a bit. (April 12, 2013)
• New update files for Te-129m (u2) and Eu-156 (u1) were added in the JENDL-4.0u page. (November 15, 2012)
• JENDL-4.0 Updated Files (JENDL-4.0u) was added in JENDL-4.0 page. (September 14, 2012)
• JENDL/FPD-2011 and JENDL/FPY-2011 were added on the JENDL page. (July 9, 2012)
• The “Estimation of Beta-Decay Properties” was added in Nuclear Data page. (June 4, 2012)
• A link to “Gamma-ray Data in Selected Energy Range” was added in the “Tables of nuclear data” page. (December 13, 2011)
• The “Tables of nuclear data” page was updated. (December 12, 2011)
• The “Cross Section Tables of Natural Elements” page was added in JENDL-4.0 page, and cross section data of natural elements calculated from JENDL-4.0 were added in Tables of Nuclear Data. (April 26, 2011)
• Figures of neutron reproduction factors (η) were added in JENDL-4.0 page. (February 8, 2011)
• Fission yield data from JENDL-4.0 Fission Yield Data were added for fission products in Tables of Nuclear Data. (February 8, 2011)
• The 2010 edition of WWW Chart of Nuclides and Tables of Nuclear Data were released. (December 7, 2010)
• JENDL-4.0 DVD-ROM was released. (September 9, 2010)
• JENDL-4.0 was released. (May 28, 2010)
• JENDL-4.0 was completed. (April 15, 2010)
• SPES to draw cross section graphs is available. (September 25, 2009)