BOUTOUX, G.; JURADO, B.; MATHIEU, L.; MÉOT, V.; AÏCHE, M.; BARREAU, G.; BLANC, A.; COMPANIS, I.; ROIG, O.; THÉROINE, C.

doi:10.1016/j.nima.2012.10.040

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BOUTOUX, G.
Aval du cycle et Energie Nucléaire [ACEN]

JURADO, B.
Aval du cycle et Energie Nucléaire [ACEN]

MATHIEU, L.
Aval du cycle et Energie Nucléaire [ACEN]

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Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 2013, vol. 700, p. 59-64

Elsevier

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The surrogate-reaction method is an indirect technique to extract neutron-induced cross-sections of short-lived nuclei. In the last years several experiments have been performed to investigate whether this technique can be applied to infer radiative-capture cross-sections. A major difficulty in this type of measurements is the determination of the gamma-cascade detection efficiency. The pulse-height weighting technique (PHWT) has been previously used to determine this quantity in surrogate experiments. In this work, we present a new method to determine the gamma-cascade detection efficiency in the vicinity of the neutron-separation energy that is much simpler than the PHWT. We also investigate the possibility to apply this new technique in standard experiments using neutron beams.< Réduire

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The extrapolated-efficiencymethod, a new technique to determine the g-cascade detection efficiency in experiments based on the surrogate-reaction method

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