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496. Wilhelm und Else Heraeus-Seminar

Measurement of the 60 Fe(n, g ) 61 Fe reaction at the TRIGA reactor in Mainz and future possibilities at FRANZ. 1 Goethe-Universität Frankfurt, Max-von-Laue Straße 1, 60438 Frankfurt, GER, 2 Forschungszentrum Karlsruhe, Postfach 3640, 76021 Karlsruhe , GER,

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496. Wilhelm und Else Heraeus-Seminar

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  1. Measurement of the 60Fe(n,g)61Fe reaction at the TRIGA reactor in Mainz and future possibilities at FRANZ 1Goethe-Universität Frankfurt, Max-von-Laue Straße 1, 60438 Frankfurt, GER, 2Forschungszentrum Karlsruhe, Postfach 3640, 76021 Karlsruhe, GER, 3Universität Wien, Doktor-Karl-Lueger-Ring 1, 1010 Wien, AUT T. Heftrich1, M. Mikorski1, C. Beinrucker1, F. Käppeler2, K. Landwehr1, C. Lederer3, R. Reifarth1, S. Schmidt1, K. Sonnabend1, and T. Thomas1 Tanja Heftrich February 07th , 2012 496. Wilhelm und Else Heraeus-Seminar

  2. Astrophysical Motivation • INTEGRAL measured 60Fe/26Al ratio along the galactic plane • deep-sea manganese crust 60Fe • 60Fe is an important s-process isotope • determine production and destruction rates R. Diehl Knie et al, PRL 93 (2004) 171103 Tanja Heftrich February 07th , 2012 496. Wilhelm und Else Heraeus-Seminar

  3. 60Fe(b-) : in progress, new measurements: 1.49 Myr / 2.62 Myr 59Fe(n,g) : extremely difficult 60Fe(n,g)61Fe : activation kT = 25 meV Rugel, Kutschera TRIGA 2010 60Fe(n,g)61Fe : activation kT = 25 keV 60Fe Karsruhe 2009 GSI 2010 60Fe(g,n) : coulomb dissociation 60Fe(n,g)61Fe : kT = 90 keV FRANZ soon Tanja Heftrich February 07th , 2012 496. Wilhelm und Else Heraeus-Seminar

  4. 60Fe(n,g)61Fe @ TRIGA • 60Fe sample was produced at the PSI in Villigen, Switzerland (ERAWAST I workshop) • irradiation with thermal neutrons to get the depletion of 60Fe atkT = 25meV Tanja Heftrich February 07th , 2012 496. Wilhelm und Else Heraeus-Seminar

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