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Suzuya, Kentaro; Kameda, Yasuo*; Otomo, Toshiya*; Yoshida, Koji*; Ito, Keiji*; Fukunaga, Toshiharu*; Misawa, Masakatsu*
Journal of Neutron Research, 13(1-3), p.123 - 128, 2005/03
The design, performance, philosophy, lessons learned and advantages of the neutron total scattering spectrometer for hydrogenous materials, FAST, under consideration for the J-PARC-JSNS, are described. In particular, novel instrumentation concept such as the small fractional scattered neutron flight path, 
= L
/(L
+L), where L is the incident flight path, moderator to sample, L is the scattered neutron flight path from sample to detector, is presented and their expected performance at the JSNS is considered.
OKameda, Yasuo*; Sasaki, Motoya*; Usuki, Takeshi*; Otomo, Toshiya*; Ito, Keiji*; Suzuya, Kentaro; Fukunaga, Toshiharu*
Journal of Neutron Research, 11(3), p.153 - 163, 2003/09
We describe results of time-of-flight (TOF) neutron diffraction of the liquid water null-HO in order to investigate the effect of both the scattering angle and the neutron flight path ratio to the observed self-scattering intensities. An empirical inelasticity correction procedure is proposed using the self-scattering intensity observed for the null-HO.
