Materials and Life Science Experimental Facility at the Japan Proton Accelerator Research Complex I: Pulsed Spallation Neutron Source

• Main Authors: Hiroshi Takada, Katsuhiro Haga, Makoto Teshigawara, Tomokazu Aso, Shin-Ichiro Meigo, Hiroyuki Kogawa, Takashi Naoe, Takashi Wakui, Motoki Ooi, Masahide Harada, Masatoshi Futakawa
• Format: Article
• Language: English
• Published: MDPI AG 2017-08-01
• Series: Quantum Beam Science
• Subjects: spallation neutron source; mercury target; moderator; para-hydrogen; cavitation; pressure waves; microbubbles; cryogenic hydrogen system; 3 GeV proton beam transport
• Online Access: https://www.mdpi.com/2412-382X/1/2/8

At the Japan Proton Accelerator Research Complex (J-PARC), a pulsed spallation neutron source provides neutrons with high intensity and narrow pulse width pulse to promote researches on a variety of science in the Materials and Life Science Experimental Facility (MLF). It was designed to be driven by a proton beam with an energy of 3 GeV, a power of 1 MW at a repetition rate of 25 Hz, that is world’s highest power level. It is still on the way towards the goal to accomplish the operation with a 1 MW proton beam. In this review, distinctive features of the target-moderator-reflector system of the pulsed spallation neutron source are presented.