Category:KNC

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Karlsruhe Nuclide Chart

Joseph Magill | Raymond Dreher | Zsolt Sóti

11th Edition 2022

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New machine developments and improvements at major nuclear centres worldwide are the main source of discovery of new elements, isotopes and new experimental results. This very active area of research provides a continuous source of new data. Our mission is to maintain, develop and update the Karlsruhe Nuclide Chart with concise, up to date information on all experimentally observed nuclides.


The Karlsruhe Nuclide Chart - new 11th Edition 2022


Since 1958, the Karlsruhe Nuclide Chart provides scientists and students with structured, accurate information on the half-lives and decay modes of radionuclides, as well as the energies of emitted radiation. Beyond the more traditional physical sciences such as health physics and radiation protection, nuclear and radiochemistry, and astrophysics, the Chart is now in wide and common usage in the life and earth sciences. Its great didactic value in education and training makes it an essential tool in the nuclear sciences. It is used in training programmes worldwide and is a valuable and welcome addition to the many books on nuclear science including school textbooks. Although many nuclear data sources are available on the internet, the Karlsruhe Nuclide Chart provides a unique overview of current knowledge and is for many the preferred medium for ease of use, convenience and practicality in daily work.

The new edition of the “Karlsruher Nuklidkarte” contains new and updated radioactive decay and thermal neutron cross sections data on 1035 nuclides (82 new nuclides) not found in the previous (2018) edition. In total, nuclear data on 4122 experimentally observed ground states and isomers are presented. All thermal fission chain yield data for 235U and 239Pu (with 16 new mass chains) has been updated using the latest values from JEFF3.3 radioactive decay data file from 2018. The thermal neutron cross sections data in nuclide boxes has been also actualized based on the sixth edition of the Atlas of Neutron Resonances (Volume 1-2, author: S.F. Mughabghab, published by Elsevier in 2018).

Most recent values of the atomic weights, isotopic abundances and cross sections are included together with the thermal fission yields for both 235U and 239Pu. For thirteen elements, a range of atomic weights is given to reflect the isotopic variability in natural materials. The accompanying booklet again contains the multi-lingual “Explanation of the Chart of the Nuclides” in English, German, French and Spanish, updated to reflect changes in the Chart. The Reduced Decay Schemes section initiated in previous editions, and used to describe in detail how the nuclide box contents should be interpreted with reference to the nuclide decay schemes, has been considerably expanded.

This new 11th Edition of the Karlsruhe Nuclide Chart is the result of a collaboration between Zsolt Sóti from the EC’s Joint Research Centre and Joseph Magill and Raymond Dreher from the Nucleonica team. The online version of the Karlsruhe Nuclide Chart is available through the Nucleonica nuclear science portal (www.nucleonica.com).

We would also like to acknowledge the support of the Institute Director Dr. Maria Betti from the European Commission’s Joint Research Centre, Directorate G – Nuclear Safety and Security.

Since 1st January 2012, the management of the Karlsruhe Nuclide Chart has been taken over by Nucleonica GmbH - a spin-off company of the EC's Joint Research Centre (JRC). Through a license agreement with the JRC, Nucleonica GmbH has exclusive rights to further develop and market the current and future editions of the Chart.



Various versions of the Karlsruhe Nuclide Chart...

The Roll Map (170x120cm). Now available Enlarge
The Fold-out Chart (A4). Now available Enlarge
The Wallchart, 95 cm x 139 cm. Now available. See a giant version of this at the Technical University of Munich
The Auditorium Chart, 43 cm x 316 cm. Now available Enlarge
The Karlsruhe Nuclide "Carpet" with CERN logo (approximate dimensions 100 cm x 650 m). Now available
The Wallchart in CERN, signed by Nobel laureate Konstantin Novoselov (winner of the 2010 Nobel prize in Physics) Enlarge
Contour cut aluminium sandwich (dibond) version of the Karlsruhe Nuclide Chart Enlarge
Contour Nuclide Chart at European Dialogue Centre in the European School Karlsruhe Enlarge
Contour Nuclide Chart at the URENCO premises in Almelo,Netherlands, Courtesy URENCO. Enlarge
Giant Mosaic version of the Karlsruhe Nuclide Chart at the Institute for Transuranium Elements, Karlsruhe Enlarge
Nuclide Carpet, Wallchart version. Courtesy Prof. Dr. Clemens Walther, Institut für Radioökologie und Strahlenschutz, Leibniz Universität Hannover Enlarge
Nuclide Carpet, Wallchart version. Courtesy Prof. Dr. Clemens Walther, Institut für Radioökologie und Strahlenschutz, Leibniz Universität Hannover Enlarge
Nuclide Carpet, Wallchart version. Courtesy Prof. Dr. Clemens Walther, Institut für Radioökologie und Strahlenschutz, Leibniz Universität Hannover Enlarge
Nuclide Carpet, Wallchart version. Courtesy CERN c 2015 Enlarge
Aluminium sandwich (dibond) version of the Karlsruhe Nuclide Chart for Kernkraftwerk Gundremmingen GmbH Enlarge
Aluminium sandwich (dibond) version of the Karlsruhe Nuclide Chart for Kernkraftwerk Gundremmingen GmbH Enlarge
Karlsruhe Nuclide Chart (KNC) at the Portraits of Thought Exhibition in the Kyoto University Museum showing an exhibition of the most important / influential diagrams in Science. The KNC is shown alongside images from CERN's detection of the Higgs boson and WMAP Cosmic microwave background radiation measurements etc. Enlarge
Commemorative bookThere are still some copies of this book available. Please contact us at info@nucleonica.com for further information.

Karlsruhe Nuclide Chart Online

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