Time-of-flight Fourier UCN spectrometer

Kulin, G. V.; Frank, A. I.; Goryunov, S. V.; Kustov, D. V.; Geltenbort, P.; Jentschel, M.; Lauss, B.; Schmidt-Wellenburg, Ph.

doi:10.1016/j.nima.2016.02.091

arXiv 2016-02-03 DOI 10.1016/j.nima.2016.02.091 0 views

Time-of-flight Fourier UCN spectrometer

Kulin, G. V. · Frank, A. I. · Goryunov, S. V. · Kustov, D. V. · Geltenbort, P. · Jentschel, M. · Lauss, B. · Schmidt-Wellenburg, Ph.

Instrumentation and Detectors Nuclear Experiment

Original · EN

We describe a new time-of-flight Fourier spectrometer for investigation of UCN diffraction by a moving grating. The device operates in the regime of a discrete set of modulation frequencies. The results of the first experiments show that the spectrometer may be used for obtaining UCN energy spectra in the energy range of 60÷200 neV with a resolution of about 5 neV. The accuracy of determination of the line position was estimated to be several units of 10⁻¹⁰ eV

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