Depolarizing Resonance Correction in Polarized Proton Beam Acceleration up to 5.0 GeV at the KEK PS : Nuclear Science, Plasmas and Electric Discharges

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概要

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• The research and development of polarized proton acceleration is being carried out at the KEK 12 GeV proton synchrotron. This paper describes the phenomena encountered in accelerating a polarized proton beam up to 5.0 GeV. Besides conventional method s for correcting depolarizing resonance, an adiabatic resonance crossing with pulsed quadruple magnets has been successfully applied to correct strong intrinsic resonances. At present, 90% of the linac polarization has been preserved in the booster synchrotron with reduced accelerating rf voltage to avoid the depolarization by synchrotron oscillation. In the main ring, 90% and 50% of the booster beam polarization was preserved at 3.5 GeV and 5.0 GeV, respectively. The KEK PS is the first cascaded synchrotron which has demonstrated a polarized proton beam.

• 社団法人応用物理学会の論文
• 1988-06-20

著者

• Sato Hikaru

  National Laboratory For High Energy Physics

関連論文

• Depolarizing Resonance Correction in Polarized Proton Beam Acceleration up to 5.0 GeV at the KEK PS : Nuclear Science, Plasmas and Electric Discharges

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