Possible wide-band polychromatic $_{i}$ measurements on chopper spectrometers

Nakajima, Kenji ; Kikuchi, Tatsuya* ; Kawamura, Seiko

In this study, the conditions of pulse repetition rate multiplication based polychromatic $_{i}$ measurements on chopper spectrometers at pulsed sources are described. By allowing interveined trajectories on the time-of-flight diagram, the usable width selectable for $_{i}$ s can be increased. Optimization of wide-band polychromatic $_{i}$ measurements is investigated, and a generalized condition is formulated. Application of our idea to existing spectrometers and to the criteria design of an optimized chopper spectrometer is also discussed.

Language	:	English
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Meeting title	:	International Conference on Neutron Science 2022 (ICNS 2022)
Held date	:	2022/08
Location (city)	:	Buenos Aires
Location (country)	:	Argentina
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Keywords	:	J-PARC; チョッパー型分光器; 非弾性散乱
Research Facility	:	J-PARC物質・生命科学実験施設
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Registration No. : BB20220730
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Possible wide-band polychromatic measurements on chopper spectrometers

Possible wide-band polychromatic $_{i}$ measurements on chopper spectrometers