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8 November 2001 Device for cutting the time tail from spallation neutron pulses
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Abstract
The presence of long time tails in the neutron pulse produced by spallation sources is sometimes a problem in that it leads to background and can diminish the resolving power of the spectrometer. This problem is potentially severe with coupled moderators that are capable of providing increased intensity but at the cost of longer tails. The simple device we propose here is based on rocking a stack of multi-layers in the incident beam to attenuate these tails in a given band of incident wavelengths. The device and its operation are described and we present the results of Monte Carlo simulations.
© (2001) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Paul Langan, Benno P. Schoenborn, and Luke L. Daemen "Device for cutting the time tail from spallation neutron pulses", Proc. SPIE 4509, Neutron Optics, (8 November 2001); https://doi.org/10.1117/12.448077
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