Yamazaki, Dai 
; Soyama, Kazuhiko ; Ebisawa, Toru*; Takeda, Masayasu ; Maruyama, Ryuji*; Tasaki, Seiji*
Drabkin energy filter could be used as a fast chopper for pulsed neutrons by varying the resonant wavelength 
fast in such a way that resonant wavelength matches neutron wavelength at a small time region. The faster are varied, the smaller time window we could obtain. Neutron pulses could be sharpened much more effectively for a small wavelength band than in the wide-band pulse-shaping mode in which is varied in synchronization with the time-of-flight from the moderator. In our preliminary test of a chopper-mode with a prototype Drabkin energy filter, time-window of 0.21 ms was obtained while it was 1.08 ms with the filter driven stationary. Narrower time-window could have been obtained if we had more beam-time and it could be also narrowed with higher-resolution Drabkin filters.
Language |
: | English |
|---|---|---|
Journal |
: | |
Volume |
: | 356 |
Number |
: | 1-4 |
Pages |
: | p.174 - 177 |
Publication Year/Month |
: | 2005/02 |
Meeting title |
: | International Conference on Polarized Neutrons in Condensed Matter Investigation (PNCMI 2004) |
Held date |
: | 2004/06 |
Location (city) |
: | Washington, D.C. |
Location (country) |
: | U.S.A. |
Paper URL |
: |
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Keywords |
: | Pulse Shaping; Spatial Neutron Spin Resonance; J-PARC; Spallation Neutorn Source |
Research Facility |
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Accesses |
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InCites™ |
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Percentile:6.23 Category:Physics, Condensed Matter |
Altmetrics |
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