Parameters of the NERA spectrometer for cold and thermal moderators of the IBR-2 pulsed reactor

The inverted geometry time-of-flight spectrometer NERA designed for simultaneous investigation of elastic and inelastic neutron scattering was constructed on a 100 meter long flight path of the IBR-2 reactor at JINR, Dubna, Russia. Spectrometer parameters were optimized for the thermal neutron spect...

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Bibliographic Details
Published in:Journal of physics. Conference series 2014-01, Vol.554 (1), p.12002-12
Main Authors: Natkaniec, I, Chudoba, D, Hetmańczyk, Ł, Kazimirov, V Yu, Krawczyk, J, Sashin, I L, Zalewski, S
Format: Article
Language:English
Subjects:
Channels
Cold neutrons
Inelastic scattering
Measuring instruments
Moderators
Neutron scattering
Neutrons
Parameters
Physics
Reactors
Russia
Spectrometers
Thermal neutrons
Wavelengths
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Summary:The inverted geometry time-of-flight spectrometer NERA designed for simultaneous investigation of elastic and inelastic neutron scattering was constructed on a 100 meter long flight path of the IBR-2 reactor at JINR, Dubna, Russia. Spectrometer parameters were optimized for the thermal neutron spectrum of a water moderator at 330 K. Recently, a new type of cold neutron source operating at 30 K was installed in the sector of six horizontal channels. The cold source in combination with the water moderator allows one to effectively use incident neutrons in wide range of wavelengths.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/554/1/012002