NSLS-II Seminar

"Some Aspects of Polarized Proton Beam Acceleration in the AGS --- Simulation, Experiment and Analysis"

Presented by Fanglei Lin

Tuesday, May 12, 2009, 9:00 am — NSLS-II Seminar Room, Bldg. 817

Two partial helical dipole snakes have been commissioned to maintain the polarization of proton beam in the AGS. However, the two partial snakes also introduce a new type of horizontal intrinsic spin resonance. Simulations and experiments have shown an agreement that the horizontal intrinsic resonances cause ~10% polarization loss. A potential solution, horizontal tune jump mechanism, is proposed to overcome this kind of spin resonance. Some aspects about the horizontal intrinsic resonance will be presented in this talk.

Hosted by: Sam Krinsky

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