Matching of a beam line and a spectrometer new beam line project at RCNP

Y. Fujita, K. Hatanaka, G. P.A. Berg, K. Hosono, N. Matsuoka, S. Morinobu, T. Noro, M. Sato, K. Tamura, H. Ueno

Research output: Contribution to journalArticle

94 Citations (Scopus)

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 connecting an accelerator and the spectrometer, it is possible to compensate the spectrum-line broadening effects caused by the beam momentum spread and reaction kinematics, and thus full capability of high resolving power of a magnetic spectrometer 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 a reaction with finite kinematic factor (K ≠ 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.

Original languageEnglish
Pages (from-to)274-278
Number of pages5
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume126
Issue number1-4
DOIs
Publication statusPublished - Apr 1996

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Instrumentation

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