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Nachrichten, Termine, Experten
Ausschnitt aus der Nuklidkarte (oben) für den Bereich zwischen Blei und Radium (unten). Die stabilen Nuklide sind schwarz dargestellt, die Farben geben den jeweils wichtigsten Zerfallsprozess der radioaktiven Nuklide an (hellblau und rosa: Betazerfall; gelb: Alphazerfall). Hervorgehoben sind die natürlichen Nuklide Blei-208 (links unten), Radon-222 und Radium-226 (mitte oben) sowie das neu entdeckte Radon-229 (rechts). Rechts oben: Penningfalle zur Speicherung einzelner Ionen für hochpräzise Massenmessung.
Quelle der Karte: Brookhaven National Laboratory, USA.
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