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Determination of the 60Fe Half-Life – a successful Collaboration in ERAWAST

Rugel, G.

Abstract

The radionuclide 60Fe is an important nuclide in nuclear astrophysics. Its half-life has been determined with a sample from a copper beam dump at PSI. After characterization of the beam dump and an intense chemical preparation the final sample material was measured to determine the half-life. This was done with an activity measurement in Munich and a number of 60Fe atoms measurement at PSI. This results in a half-life of (2.62 +/- 0.04) Myr [1].
Some of the important aspects of the work will be reported.
References
[1] G. Rugel, T. Faestermann, K. Knie, G. Korschinek, M. Poutivtsev, D. Schumann, N. Kivel, I. Günther-Leopold, R. Weinreich, M. Wohlmuther, Phys. Rev.Lett. 103, 072502.

Keywords: accelerator mass spectrometry; half-life; astrophysics

  • Vortrag (Konferenzbeitrag)
    2nd Workshop on Exotic Radionuclides from Accelerator Waste for Science and Technology (ERAWAST II), 29.08.-02.09.2011, Villigen, Schweiz

Permalink: https://www.hzdr.de/publications/Publ-15915