The wide-angle neutron spin echo spectrometer project WASP

Peter Fouquet; Georg Ehlers; Bela Farago; Catherine Pappas; Ferenc Mezei

doi:10.1080/10238160601048791

The wide-angle neutron spin echo spectrometer project WASP

Peter Fouquet, Georg Ehlers, Bela Farago, Catherine Pappas, Ferenc Mezei

Research output: Contribution to journal › Article › peer-review

20 Scopus citations

Abstract

This paper describes design and optimization for the wide angle spin-echo spectrometer (WASP) presently being planned at the ILL. The spectrometer will be a replacement for the high intensity spectrometer IN11 and will enhance its signal by more than one order of magnitude while maintaining the resolution of the present spectrometer. The paper outlines the magnetic field calculations and the considerations about possible limitations. The projected performance has been verified carefully by Monte Carlo raytracing and Biot-Savart magnetic field calculations. The maximum momentum transfer of the new spectrometer is to be extended to 4Å^-1.

Original language	English
Pages (from-to)	39-47
Number of pages	9
Journal	Journal of Neutron Research
Volume	15
Issue number	1
DOIs	https://doi.org/10.1080/10238160601048791
State	Published - 2007
Externally published	Yes

Keywords

Instrumentation
Magnetic field calculations
Neutron scattering
Neutron spin-echo

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10.1080/10238160601048791

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AU - Ehlers, Georg

AU - Farago, Bela

AU - Pappas, Catherine

AU - Mezei, Ferenc

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AB - This paper describes design and optimization for the wide angle spin-echo spectrometer (WASP) presently being planned at the ILL. The spectrometer will be a replacement for the high intensity spectrometer IN11 and will enhance its signal by more than one order of magnitude while maintaining the resolution of the present spectrometer. The paper outlines the magnetic field calculations and the considerations about possible limitations. The projected performance has been verified carefully by Monte Carlo raytracing and Biot-Savart magnetic field calculations. The maximum momentum transfer of the new spectrometer is to be extended to 4Å-1.

KW - Instrumentation

KW - Magnetic field calculations

KW - Neutron scattering

KW - Neutron spin-echo

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The wide-angle neutron spin echo spectrometer project WASP

Abstract

Keywords

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