Welcome to the World of Beam Matchings !
高分解能ビーム整合技術の世界へようこそ！


今まで見えなかったものを、高分解能、高角度分解能でみたい。そんな素朴な
欲求を満たすべく、磁気スペクトロメータ系の限界性能達成に向けての挑戦。


"Matching of a beam line and a spectrometer 
  -New beam line project at RCNP- "

    Nuclear Instruments and Methods in Physics Research B 126 (1997) 274. 


 Abstract
     A magnetic spectrometer combined with an accelerator is a
     powerful tool for the precise measurements of nuclear-reaction 
     spectra.  By applying matching techniques to the beam line 
     connnecting an accelerator and the spectrometer, it is possible
     to compensate thespectrum-line broadening effects caused by the 
     beam momentum spread and reaction kinematics, and thus full 
     capability of high resolving-power of a magneticspectrometer can
     be extracted.  In addition to the usual matching methods, like 
     lateral dispersion matching and focus matching, the importance of 
     angular dispersion matching is discussed for reaction with finite 
     kinematic factor K \ne 0, which is important if the resolution of 
     the scattering angle is needed.  Based on the discussed
     principles, a new beam line called ``WS course'' is designed in 
     order to realize the beam matching between a cyclotron and a 
     spectrometer with a large dispersion at RCNP, Osaka.  

New Beam Line : WS-course Project 工事完了 2000, April, at RCNP。