Recent integral cross section validation measurements at the ASP facility

•Recent results of integral cross section measurements at ASP obtained using high purity elemental are detailed.•Details of the data processing tools and method are included which allows to preserve reaction product decay information.•C/E plots for measurements taken for number of reactions and the...

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Veröffentlicht in:Fusion engineering and design 2013-10, Vol.88 (9-10), p.2617-2620
Hauptverfasser: Packer, L.W., Hughes, S., Gilbert, M., Lilley, S., Pampin, R.
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Sprache:eng
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Zusammenfassung:•Recent results of integral cross section measurements at ASP obtained using high purity elemental are detailed.•Details of the data processing tools and method are included which allows to preserve reaction product decay information.•C/E plots for measurements taken for number of reactions and the European Activation File 2010 cross section evaluation.•New integral data included for Ti-46(n,p)Sc-46m. This work presents new integral data measured at the ASP 14MeV neutron irradiation facility at Aldermaston in the UK, which has recently become available for fusion-related work through the CCFE materials programme. Measurements of reaction products from activation experiments using elemental foils were carried out using gamma spectrometry in a high efficiency, high-purity germanium (HPGe) detector and associated digital signal processing hardware. Following irradiation and rapid extraction to the measurement cell, gamma emissions were acquired with both energy and time bins. Integral cross section and half-life data have been derived from these measurements. Selected integral cross section values are presented from the measurement campaigns. Details of the data processing approach and outputs generated are highlighted for measurement of the 186W(n,2n)185mW reaction—a selected short-lived reaction resulting from W foil irradiations; C/E results are reported along with the associated uncertainties and compared using the SAFEPAQ-II tool against existing available data.
ISSN:0920-3796
1873-7196
DOI:10.1016/j.fusengdes.2013.05.108