Commissioning of cold-neutron disk-chopper spectrometer AMATERAS

Nakajima, Kenji  ; Kawamura, Seiko   ; Nakamura, Mitsutaka   ; Kajimoto, Ryoichi  ; Inamura, Yasuhiro; Takahashi, Nobuaki; Aizawa, Kazuya  ; Suzuya, Kentaro; Shibata, Kaoru  ; Nakatani, Takeshi ; Soyama, Kazuhiko  ; Yoshida, Noboru; Tanaka, Hiromichi; Iwahashi, Takaaki; Kambara, Wataru; Ito, Yukihiro; Maekawa, Fujio  ; Oikawa, Kenichi   ; Harada, Masahide   ; Arai, Masatoshi; Osakabe, Toyotaka  ; Wakimoto, Shuichi  ; Matsuda, Masaaki; Kakurai, Kazuhisa; Lechner, R. E.*; Mezei, F.*

AMATERAS is a cold-neutron disk-chopper spectrometer newly constructed in Materials and Life science Facility in J-PARC. Construction of the spectrometer has been completed in this spring and on 27 May, 2009 AMATERAS opened its shutter for the first neutron beam. AMATERAS is now in commissioning phase and will be ready for user program from this December. In this presentation, detail of the spectrometer, results from commissioning and plan of user program will be shown.