SHIBATA Tokushi Institute for Nuclear Study, Tokyo University, 放射線管理室, 教授 (80028224)
SUZUKI Takenori National Laboratory for High Energy Physics, 放射線安全管理センター, 助教授 (40162961)
KONDO Kenjiro National Laboratory for High Energy Physics, 放射線安全管理センター, 教授 (20004434)
IEIRI Masaharu National Laboratory for High Energy Physics, 物理研究部, 助手 (50192472)
TANAKA Kazuhiro National Laboratory for High Energy Physics, 物理研究部, 助手 (90171743)
KOBAYASHI Toshio National Laboratory for High Energy Physics, 物理研究部, 助手 (30186754)
IMAZATO Jun National Laboratory for High Energy Physics, 物理研究部, 助教授 (40107686)
NAKAI Koji National Laboratory for High Energy Physics, 実験企画調整室, 教授 (40028155)
During the last two physical years of a Grant under The Monbusho International Scientific Field Research, we have visited the following 10 major accelerator facilities with strong beam currents and/or high energies in Europe and North America :
LAMPF (Los Alamos National Laboratory, USA)
BNL (Brookhaven National Laboratory, Upton, USA)
FNAL (Fermi National Laboratory, USA)
LBL (University of California Lawrence Berkeley Laboratory, USA)
TRIUMF (Tri-University Meson Facilities, Canada)
ISIS (Rutherford Appleton Laboratory, United Kingdom)
SATURNE (SATURNE National Laboratory, France)
DESY (Deutsches Elektronen-Synchrotron, West Germany)
PSI (Paul Scherrer Institute, Switzerland)
CERN (European Organization for Nuclear Research, Switzerland).
From these Field Researches, we have learned the important handling techniques to accelerate proton beams with high energy and strong currents, which can be summarized as following :
1) In the design and construction stage, handling of accelerator components and the reduction of radiation dose and field must be taken care of.
2) Utilizing radiation-resistant materials for accelerator components, it is important to construct a maintenance-free beam line.
3) In the case of maintenance, each component can be accessed remotely.