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《中国物理C》 2016-01
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Simulations to study the static polarization limit for RHIC lattice

Zhe Duan;Qing Qin;Key Laboratory of Particle Acceleration Physics and Technology,Institute of High Energy Physics, Chinese Academy of Sciences;University of Chinese Academy of Sciences;  
A study of spin dynamics based on simulations with the Polymorphic Tracking Code(PTC) is reported,exploring the dependence of the static polarization limit on various beam parameters and lattice settings for a practical RHIC lattice. It is shown that the behavior of the static polarization limit is dominantly affected by the vertical motion, while the effect of beam-beam interaction is small. In addition, the "nonresonant beam polarization"observed and studied in the lattice-independent model is also observed in this lattice-dependent model. Therefore,this simulation study gives insights of polarization evolution at fixed beam energies, that are not available in simple spin tracking.
【Fund】: Supported by the U.S.Department of Energy(DE-AC02-98CH10886);; Hundred-Talent Program(Chinese Academy of Sciences);; National Natural Science Foundation of China(11105164)
【CateGory Index】: TL50
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