We recently tested a new spin resonance crossing technique, Kondratenko Crossing (KC) by sweeping an rf solenoid’s frequency through an rf‐induced spin resonance with both the KC an traditional Fast Crossing (FC) patterns. Using both rf bunched and unbunched 1.85 GeV/c polarized deuterons stored in COSY, we varied the parameters of both crossing patterns. Compared to FC with the same crossing speed, KC reduced the depolarization by measured factors of and for unbunched and bunched beams, respectively. This clearly showed the large potential benefit of Kondratenko Crossing over Fast Crossing.
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© 2009 American Institute of Physics.
2009
American Institute of Physics
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