IBIS: An inverse geometry Brillouin inelastic neutron spectrometer for the SNS

J. K. Zhao; Christoph U. Wildgruber; Lee Robertson; Kenneth W. Herwig

doi:10.1063/1.4792379

IBIS: An inverse geometry Brillouin inelastic neutron spectrometer for the SNS

J. K. Zhao, Christoph U. Wildgruber, Lee Robertson, Kenneth W. Herwig

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

1 Scopus citations

Abstract

The high power target station at the Spallation Neutron Source (SNS) currently has about 20 completed neutron scattering instruments. With a broad coverage of the momentum transfer (Q)-energy (E) space, these instruments serve an extensive user community. In an effort to further expand the scientific capabilities of the SNS instrument suites, we propose a low background, inverse geometry Brillouin inelastic spectrometer for the SNS which will expand the Q-E coverage of the current instrument suite and facilitate the study of inelastic and quasi-elastic scatterings at low Q values. The possible location for the proposed instrument is either beamline 8 which views the decoupled water moderator, or beamline 14A, which views a cold, coupled super critical hydrogen moderator. The instrument parameters, optimizations, and performances at these two beamline locations are discussed.

Original language	English
Article number	025113
Journal	Review of Scientific Instruments
Volume	84
Issue number	2
DOIs	https://doi.org/10.1063/1.4792379
State	Published - Feb 2013
Externally published	Yes

Funding

This article has been authored by UT-Battelle, LLC, under Contract No. DE-AC05-00OR22725 with the U.S. Department of Energy. The United States Government retains, and the publisher, by accepting the article for publication, acknowledges that the United States Government retains a non-exclusive, paid-up, irrevocable, world-wide license to publish or reproduce the published form of this article, or allow others to do so, for United States Government purposes.

Funders	Funder number
U.S. Department of Energy

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abstract = "The high power target station at the Spallation Neutron Source (SNS) currently has about 20 completed neutron scattering instruments. With a broad coverage of the momentum transfer (Q)-energy (E) space, these instruments serve an extensive user community. In an effort to further expand the scientific capabilities of the SNS instrument suites, we propose a low background, inverse geometry Brillouin inelastic spectrometer for the SNS which will expand the Q-E coverage of the current instrument suite and facilitate the study of inelastic and quasi-elastic scatterings at low Q values. The possible location for the proposed instrument is either beamline 8 which views the decoupled water moderator, or beamline 14A, which views a cold, coupled super critical hydrogen moderator. The instrument parameters, optimizations, and performances at these two beamline locations are discussed.",

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IBIS: An inverse geometry Brillouin inelastic neutron spectrometer for the SNS

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