Journal
JOURNAL OF NEUTRON RESEARCH
Volume 15, Issue 1, Pages 5-12Publisher
IOS PRESS
DOI: 10.1080/10238160601048742
Keywords
J-PARC; Spallation neutron source; Chopper spectrometer; Inelastic neutron scattering; High-T-c superconductivity
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Funding
- Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan [17001001]
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Design and performance of a new chopper spectrometer 4SEASONS, which is under construction for the spallation neutron source at Japan Proton Accelerator Research Complex (J-PARC), are described. This spectrometer has middle energy resolution and two orders higher performance than current state-of-theart chopper spectrometers by utilizing a unique beam transport design and the repetition rate multiplication (RRM) method. 4SEASONS has a specification optimized for the study of the high critical temperature (T-c) superconductivity, and should be suitable for collecting weak inelastic signals from a single crystal over a wide four-dimensional (4D) Q-omega space.
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