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Measurement of the 60 Fe(n, ) 61 Fe reaction at the TRIGA reactor in Mainz and future possibilities at FRANZ T. Heftrich 1, M. Mikorski 1, C. Beinrucker 1, F. Käppeler 2, K. Landwehr 1, C. Lederer 3, R. Reifarth 1, S. Schmidt 1, K. Sonnabend 1, and T. Thomas 1 1 Goethe-Universität Frankfurt, Max-von-Laue Straße 1, 60438 Frankfurt, GER, 2 Forschungszentrum Karlsruhe, Postfach 3640, 76021 Karlsruhe, GER, 3 Universität Wien, Doktor-Karl-Lueger-Ring 1, 1010 Wien, AUT 496. Wilhelm und Else Heraeus-Seminar Tanja HeftrichFebruary 07th, 2012
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Astrophysical Motivation 496. Wilhelm und Else Heraeus-Seminar Tanja HeftrichFebruary 07th, 2012 INTEGRAL measured 60 Fe/ 26 Al ratio along the galactic plane deep-sea manganese crust 60 Fe 60 Fe is an important s-process isotope determine production and destruction rates R. Diehl Knie et al, PRL 93 (2004) 171103
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496. Wilhelm und Else Heraeus-Seminar Tanja HeftrichFebruary 07th, 2012 60 Fe 60 Fe(n, ) 61 Fe : activation kT = 25 meV 59 Fe(n, ) : extremely difficult 60 Fe( - ) : in progress, new measurements: 1.49 Myr / 2.62 Myr 60 Fe(,n) : coulomb dissociation 60 Fe(n, ) 61 Fe : activation kT = 25 keV 60 Fe(n, ) 61 Fe : kT = 90 keV
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60 Fe(n, ) 61 Fe @ TRIGA 60 Fe sample was produced at the PSI in Villigen, Switzerland (ERAWAST I workshop) irradiation with thermal neutrons to get the depletion of 60 Fe at kT = 25meV 496. Wilhelm und Else Heraeus-Seminar Tanja HeftrichFebruary 07th, 2012
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