Nuclide Charts and the Nuclide Explorer
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1 ITU Karlsruhe on 30 April 2008 Presentation 1 Nuclide Charts and the Nuclide Explorer Wenesday, 22 nd Oct Christophe Normand European Commission Institute for Transuranium Elements Postfach 2340, Karlsruhe, Germany christophe.normand@ec.europa.eu
2 A century of Nuclear Sciences ITU Karlsruhe on 30 April 2008 Presentation 2 Mendeleyev table 1869, Chemical properties, Mass Number H.Becquerel 1896, discovery of radioactivity
3 Isotope Story ITU Karlsruhe on 30 April 2008 Presentation 3 With Curie, Rutherford, Fermi, Hahn, Wigner, Bohr, knowledge of the nucleus structure Soddy, Moseley, De Hevesy, isotopes F. Soddy Radio-elements and Periodic Law. The neutron was not discovered yet. H. Moseley
4 Nuclide Charts ITU Karlsruhe on 30 April 2008 Presentation 4 Popular Science, March 1948 US Alchemists Make Gold 785 entries for 96 elements All are combinations of only two ingredients, protons and neutrons W. Riezler, Tabellen und Tafeln zur Kernphysik, Ergänzungsband zur Einführung in die Kernphysik, Bibliographisches Institut, Leipzig, 1942 Recent experiments indicate that a trace of radioactive carbon 14 is normally present in the human body
5 Karlsruher Nuklidkarte ITU Karlsruhe on 30 April 2008 Presentation 5 G.T. Seaborg, 1951 Representation of nuclides in a proton/neutron map system (Fea 1935, Seaborg, 1940, Segrè 1945) W. Seelmann-Eggebert El profesor alemán 1958 first edition of the Karlsruher Nuklidkarte W. Seelmann-Eggebert and G. Pfennig from the Karlsruhe Radiochemical Institute. 267 stable and 1030 radionuclides for 4 decay modes
6 The visualisation of the Nuclides ITU Karlsruhe on 30 April 2008 Presentation 6 Nuclide : A type of atom specified by its atomic number, Z, mass number, A, and energy state. Isotopes : meaning at the same place in the periodic table nuclides with same Z. Isotones : nuclides with the same N (=A-Z). Isobars : nuclides with the same A.
7 Karlsruher Nuklidkarte ITU Karlsruhe on 30 April 2008 Presentation 7 Branching ratios Coloured areas Colours Decay Modes
8 Karlsruher Nuklidkarte: Th232 decay chain ITU Karlsruhe on 30 April 2008 Presentation 8
9 Discovery of New Nuclide Data ITU Karlsruhe on 30 April 2008 Presentation 9 Number of Nuclides for the 7 th edition: 2962 ground states and 692 isomers Progress in nuclear structure knowledge Number of Nuclides in the KN editions Between the first edition and the 7th edition the number of nuclides has increased from 1300 to Theoretical predictions are expecting 6000 possible groundstate nuclides
10 2 proton-radioactivity ITU Karlsruhe on 30 April 2008 Presentation 10 2p radioactivity: Short-life nuclides: 6 Be, 8 C, 12 O, 16 Ne, Excited States (Isomers): 94m 2Ag, Pure 2p radioactivity: 45 Fe, 48 Ni, 54 Zn, Direct observation of 2p in 45 Fe: M. Pfützner, et al., Eur. Phys. J. A 14, 279 (2002). J. Giovinazzo, et al., Phys. Rev. Lett. 89, (2002). Additional βnp modes K. Miernik, et al., Phys.Rev. C 76, (2007) Images courtesy of M. Pfützner.
11 50th anniversary of the Karlsruher Nuklidkarte ITU Karlsruhe on 30 April 2008 Presentation years of mapping the nuclear landscape History Experimental developments Quarks and nuclei Beta decay and neutrinos Elements and nuclides Nuclear Data Applications
12 Nucleonica Nuclide Charts ITU Karlsruhe on 30 April 2008 Presentation 12
13 Nucleonica Nuclide Explorer ITU Karlsruhe on 30 April 2008 Presentation 13
14 Nucleonica Nuclide Explorer ITU Karlsruhe on 30 April 2008 Presentation 14
15 ( JAERI ) Half-lives colour scheme ITU Karlsruhe on 30 April 2008 Presentation 15
16 Binding energy colour scheme ITU Karlsruhe on 30 April 2008 Presentation 16
17 Nuclide Explorer: access to data ITU Karlsruhe on 30 April 2008 Presentation 17
18 Nuclide Explorer : filtering decay modes ITU Karlsruhe on 30 April 2008 Presentation nuclides from 3896
19 ITU Karlsruhe on 30 April 2008 Presentation 19
20 Nuclide Charts ITU Karlsruhe on 30 April 2008 Presentation 20 An important tool for nuclear scientists More information at Nucleonica Wiki Webpage Translations Choice of the database & of the physics/colour scheme Huge advantage of Nucleonica giving access to all related information
21 ITU Karlsruhe on 30 April 2008 Presentation 21 Thanks!
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