Japan-UK collaboration on New Neutron Spectrometer

中子散射是研究凝聚态物质微观结构和动力学行为的一种非常有效和独特的科学工具，其应用范围从物理学、生物学到工程学和材料科学。由日本和英国率先开发的加速器驱动脉冲中子源是下一代中子源的明确选择。日本和英国在中子散射方面的合作是日本高能加速器研究组织（KEK）和英国研究理事会中央实验室理事会（CCLRC）之间协议的结果，该协议于1996年成立，旨在促进日本和英国科学家在脉冲中子散射领域的科学合作和交流。它导致在ISIS设施建造了MAPs分光计，并使日本科学家能够正式参加ISIS的科学方案。开始建设一维位置敏感探测器库。Monbusho在1997财政年度提供了建设预算（56，000，000日元）。在这三年内，将完成MAPS的联合建设项目，并利用MAPS进行合作科学研究。1997年，利用已安装的ISIS谱仪进行的重点工作包括量子梯系统的磁激发、二维稀释海森堡反铁磁系统的分形子激发等。

Neutron scattering is an exquisitely powerful and unique sicentific tool for sutdies of the structure and dynamical behavior of condensed mater on a microscopic scale, in areas ranging from physics to biology to engineering and material science.Accelerator driven pulsed neutron sources, pioneered by Japan and the UK,are the clear choice for the next generation neutron sources. The Japan-UK Collaboration in Neutron Scattering is a consequence of an Agreement between the Japanese High Energy Accelerator Research Organization (KEK) and the UK's Council for the Central Laboratories of Research Councils (CCLRC) established in 1996 to promote scientific collaboration and interchange between Japanese and UK scientists in the field of pulsed neutron scattering. It has resulted in the construction of the MAPs spectrometer at the ISIS Facility and has given formal access to the scientific program at ISIS for Japanese scientists.The scientific achievements of the Japan-UK Collaboration in the Year of 1997 are as follows. Construction of one-dimensional position-sensitive detector bank was started. Budget for the construction was provided by Monbusho in FY1997 (56,000,000 yen). Within these three years, joint construction project of MAPs will be completed and MAPS will be used for collaborative scientific researches.Highlights of the works with already-installed ISIS spectrometers in 1997 include studies of magnetic excitatins in quantum ladder systems, fracton excitations in two-dimensional diluted Heisenberg antiferromagnetic systems etc.