Phase modulation of a neutron wave and diffraction of ultracold neutrons on a moving grating

Frank, A. I.; Balashov, S.; Bondarenko, I. V.; Geltenbort, P.; Høghøj, Peter; Masalovich, S.; Nosov, V. G.

doi:10.1016/s0375-9601(03)00460-2

Cited by 32 publications

(32 citation statements)

References 21 publications

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“…In the regime of Fourier spectrometry filters 1-3 together with the filter-superwindow served as a monochromator. In the experiments with the moving grating the latter operated as a high-frequency phase modulator, which resulted in the splitting of the spectrum formed by the monochromator into a number of lines [19,21]]. …”

Section: Test Objects and Procedures Of The Measurementmentioning

confidence: 99%

Time-of-flight Fourier UCN spectrometer

Kulin

Frank

Goryunov

et al. 2016

Nuclear Instruments and Methods in Physics Research Section A:

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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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Section: Test Objects and Procedures Of The Measurementmentioning

confidence: 99%

Time-of-flight Fourier UCN spectrometer

Kulin

Frank

Goryunov

et al. 2016

Nuclear Instruments and Methods in Physics Research Section A:

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“…[26,28,29]. Let the wave function of the neutron incident on the grating have in the laboratory coordinate system the form…”

Section: Theory Of Neutron Diffraction By a Moving Gratingmentioning

confidence: 99%

“…In [26,28,29] the problem of diffraction in the moving system was analyzed in the framework of the kinematic theory when amplitudes were taken as Fourier amplitudes of the complex transmission function of an ideally flat grating. In Ref.…”

Section: Theory Of Neutron Diffraction By a Moving Gratingmentioning

confidence: 99%

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Spectroscopy of ultracold neutrons diffracted by a moving grating

et al. 2016

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“…It was shown [1][2][3] that in the case of an absorbing or a phase grating moving across a monochromatic beam of ultracold neutrons (UCN), the grating can serve as a quantum modulator of a transmitted wave and the spectrum of neutrons passed through it is discrete.…”

Section: Introductionmentioning

confidence: 99%

New test of the dynamic theory of neutron diffraction by a moving grating

et al. 2018

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Abstract. Recently, multiwave dynamical theory of neutron diffraction by a moving grating was developed. The theory predicts that at a certain height of the grating profile a significant suppression of the zero-order diffraction may occur. The experiment to confirm predictions of this theory was performed. The resulting diffracted UCNs spectra were measured using time-of-flight Fourier diffractometer. The experimental data were compared with the results of numerical simulation and were found in a good agreement with theoretical predictions.

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Phase modulation of a neutron wave and diffraction of ultracold neutrons on a moving grating

Cited by 32 publications

References 21 publications

Time-of-flight Fourier UCN spectrometer

Time-of-flight Fourier UCN spectrometer

Spectroscopy of ultracold neutrons diffracted by a moving grating

New test of the dynamic theory of neutron diffraction by a moving grating

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