High-flux PGAA for milligram-weight samples
1 Heinz Maier-Leibnitz Zentrum, Technische Universität München, 857 47 Garching, Germany
2 Institute for Energy and Climate Research, IEK-6, Forschungszentrum Jülich GmbH, 52425 Jülich, Germany
a Corresponding author: email@example.com
Published online: 28 May 2015
With the high-intensity cold neutron flux available at the Prompt Gamma Activation Analysis (PGAA) instrument of the research reactor FRM II at the Heinz Maier-Leibnitz Zentrum (MLZ), samples with a weight of 1 mg or even less can be investigated for their elemental compositions using the (n,γ) capture reaction. In such cases, the typical sample packing material for PGAA experiments made of 25 μm thick PTFE foil (ca. 80 mg) can be orders of magnitude more massive than the sample weight itself. Proper choice of the packing material and measuring conditions are then of the highest importance .
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