Super High Resolution Powder Diffractometer at J-PARC

• DOI: 10.1143/jpsjs.80sb.sb020
• Publication Date: 2011-12-19T07:46:53Z
• Authors: Shuki Torii; Masao Yonemura; Teguh Yulius Sury...; Junrong Zhang; Ping Miao; Takashi Muroya; Ryoko Tomiyasu; Takahiro Morishima; Setsuo Sato; Hidenori Sagehashi; Yukio Noda; Takashi Kamiyama
• Keywords: 0103 physical sciences; 01 natural sciences; 7. Clean energy

Super High Resolution Powder Diffractometer, SuperHRPD, is located at about 100 m from a thin side of a decoupled poisoned moderator at the Materials and Life Science Experimental Facility in the Japan Proton Accelerator Research Complex. The first neutron was produced successfully from a spallation neutron source in J-PARC in the end of May of 2008, and SuperHRPD has achieved the world best resolution Δ d / d = 0.035% in June using the existing Sirius 1) chamber. In the summer of 2009, a new SuperHRPD chamber was installed aiming at increasing the detector solid angle and expanding d -range / Q -range, with at most 1500 one-dimensional 3 He position-sensitive detectors of 1/2 inch in diameter. The on-beam commissioning of the new SuperHRPD was started in the autumn of 2009.