Longitudinal beam dynamics and FEL interaction on a negative momentum compaction storage ring

H. Hama, M. Hosaka

Research output: Contribution to journalConference articlepeer-review

6 Citations (Scopus)


A simulation study for longitudinal phase space of the electron bunch including effects of potential-well distortion and FEL interaction has been performed for both positive and negative momentum compaction factors on a storage ring. The trend of the bunch lengthening is well interpreted by the wake field due to inductive impedance. In spite of large energy spread in the case of the negative momentum compaction, FEL oscillation may be possible. The peak power of Q-switched lasing is higher than that in positive momentum compaction. There was, however, no significant difference in FEL power and particle distribution in the longitudinal phase space at the equilibrated state.

Original languageEnglish
Pages (from-to)172-178
Number of pages7
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Issue number1
Publication statusPublished - 1999 Jun
Externally publishedYes
EventProceedings of the 1998 20th International Free Electron Laser Conference and 5th FEL User Workshop - Williamsburg, VA, USA
Duration: 1998 Aug 161998 Aug 21

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation


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