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| TUOBM03 |
High-Intensity Polarized H- (Proton), Deuteron and 3He++ Ion Source Development at BNL
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1010 |
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- A. Zelenski, J. G. Alessi, A. Kponou, D. Raparia
BNL, Upton, Long Island, New York
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New techniques for production of polarized H- (protons), deuteron and 3He++ ion beams (based on optical pumping polarization method) will be discussed. Feasibility studies of these techniques are in progress at BNL. The depolarization factors in the multi-step spin-transfer polarization technique and basic limitations on maximum polarization in the OPPIS (Optically-Pumped Polarized H- Ion Source) will be discussed. Detailed studies of polarization losses in the RHIC OPPIS and the source parameters optimization resulted in the OPPIS polarization increase to 86-90%. This contributed to AGS and RHIC polarization increase to 65-70%.
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Slides
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