Velocity distribution of ion beams from the RIKEN IGISOL

M. Koizumi, A. Yoshida, K. Morita, M. Takami, T. T. Inamura, M. Azuma, H. Katsuragawa, M. Nakaoka, I. Nakamura, T. Ishizuka, T. Murayama, A. Iivonen, K. Valli, K. Shimomura, S. Matsuki, I. Sugai

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Abstract

A direct measurement of the velocity distribution of ion beams from an ion-guide isotope separator on-line (IGISOL) was carried out at RIKEN with a technique of laser spectroscopy. The skimmer-potential and gas-cell pressure dependence of the velocity distribution were also measured. The velocity distribution was found to be about two times narrower than that estimated from the mass resolving power (MRP). It is pointed out that the velocity spread deduced from MRP is considerably overestimated at various conditions. The way of improvement to make the velocity distribution of the ion beam from the IGISOL narrower and the feasibility of fast atomic-beam collinear laser spectroscopy are discussed.

Original languageEnglish
Pages (from-to)1-10
Number of pages10
JournalNuclear Inst. and Methods in Physics Research, A
Volume313
Issue number1-2
DOIs
Publication statusPublished - Mar 1 1992
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Instrumentation

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    Koizumi, M., Yoshida, A., Morita, K., Takami, M., Inamura, T. T., Azuma, M., Katsuragawa, H., Nakaoka, M., Nakamura, I., Ishizuka, T., Murayama, T., Iivonen, A., Valli, K., Shimomura, K., Matsuki, S., & Sugai, I. (1992). Velocity distribution of ion beams from the RIKEN IGISOL. Nuclear Inst. and Methods in Physics Research, A, 313(1-2), 1-10. https://doi.org/10.1016/0168-9002(92)90079-J