RIKEN Polarized Ion Source

Specifications for the deuteron beam

Intensity
	140 uA	at extraction (7.5 keV)
	3.5 uA	at AVF-exit (14 MeV)
	1 uA	at Ring-exit (270 MeV) *
	*Limited due to radation protection
Polarization
80-85% (vector mode)
75-80% (tensor mode)
Axis is freely controlable by using the Wien filter

Introduction

Details of components

• Dissociator
• Sextupole magnets
• RF transitions
• ECR ionizer
• monitor & control

History & persons

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Polarimeters etc.

• Low-energy polarimeter
• High-energy polarimeter
• Swinger polarimeter
• Spin rotation method

Experiments using the polarized deuteron beam @ 270 MeV

• d+p elastic scattering & Fadeev calculation
• (d, d) elastic scattering & virtual breakup effect
• Spin- & isospin-excitation via the (d,²He) reaction
• Polarization transfer of (d, d') inelastic scattering

RIKEN Accelerator Research Facility

Ion Sources in the World

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