Author: Muroga, T.
Paper Title Page
MOPO053
 Development of a Linear Electron Accelerator-based Neutron Source for Analysis of Structural Materials  
MOOP10   use link to see paper's listing under its alternate paper code  
 
  • B.E. O’Rourke, T. Fujiwara, K. Kino, R. Kuroda, K. Michishio, H. Ogawa, N. Oshima, D. Sato, N. Sei, R. Suzuki, M. Tanaka, H. Toyokawa, A. Watazu
    AIST, Aichi, Japan
  • N. Hayashizaki
    RLNR, Tokyo, Japan
  • T. Muroga, T. Shishido
    ISMA, Ibaraki, Japan
  
  Funding: This paper is based on results obtained from Innovative Structural Materials R&D Project commissioned by the New Energy and Industrial Technology Development Organization(NEDO).
Neu­trons are a pow­er­ful probe of struc­tural ma­te­ri­als due to their high pen­e­tra­tion. As part of the In­no­v­a­tive Struc­tural Ma­te­ri­als R&D pro­ject funded by the New En­ergy and In­dus­trial Tech­nol­ogy De­vel­op­ment Or­ga­ni­za­tion (NEDO), the In­no­v­a­tive Struc­tural Ma­te­ri­als As­so­ci­a­tion (ISMA) is de­vel­op­ing a ded­i­cated, com­pact elec­tron-ac­cel­er­a­tor based neu­tron source at the Na­tional In­sti­tute of Ad­vanced In­dus­trial Sci­ence and Tech­nol­ogy (AIST) in Tsukuba, Japan, for the char­ac­ter­i­za­tion of struc­tural ma­te­ri­als. The ac­cel­er­a­tor is de­signed to have a max­i­mum elec­tron beam power of 10 kW (~36 MeV and ~275 mA), which will be in­ci­dent on a wa­ter-cooled Ta tar­get. The elec­tron beam will have a max­i­mum pulse length of around 10 μs at a rep­e­ti­tion rate of 100 Hz. Neu­trons pro­duced through photo-nu­clear re­ac­tions will be cooled by a de­cou­pled solid methane mod­er­a­tor. Using this pulsed, low-en­ergy neu­tron beam we plan to per­form var­i­ous imag­ing spec­tro­scopies of struc­tural ma­te­ri­als in­clud­ing Bragg-edge imag­ing. In this con­tri­bu­tion we will de­scribe the ded­i­cated neu­tron source in more de­tail, with par­tic­u­lar em­pha­sis on the elec­tron ac­cel­er­a­tor. 		 
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