Simulations to study the static polarization limit for RHIC lattice

Zhe Duan; Qing Qin

doi:10.1088/1674-1137/40/1/017002

Chinese Physics C> 2016, Vol. 40> Issue(1) : 017002 DOI: 10.1088/1674-1137/40/1/017002

Simulations to study the static polarization limit for RHIC lattice

Zhe Duan ^1,2,3,, ,
Qing Qin ¹

1.
Key Laboratory of Particle Acceleration Physics and Technology, Institute of High Energy Physics, Chinese Academy of Sciences, 100049 Beijing, China
2.
University of Chinese Academy of Sciences, Beijing 100049, China
3.
Key Laboratory of Particle Acceleration Physics and Technology, Institute of High Energy Physics, Chinese Academy of Sciences, 100049 Beijing, China

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Abstract：
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.
- polarized beam ,
- Polymorphic Tracking Code ,
- static polarization limit ,
- stroboscopic average

References

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Zhe Duan and Qing Qin. Simulations to study the static polarization limit for RHIC lattice[J]. Chinese Physics C, 2016, 40(1): 017002. doi: 10.1088/1674-1137/40/1/017002

Zhe Duan and Qing Qin. Simulations to study the static polarization limit for RHIC lattice[J]. Chinese Physics C, 2016, 40(1): 017002. doi: 10.1088/1674-1137/40/1/017002 shu

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Received: 2015-04-28
Revised: 2015-08-27

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Supported by the U.S. Department of Energy (DE-AC02-98CH10886), Hundred-Talent Program (Chinese Academy of Sciences), and National Natural Science Foundation of China (11105164)

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Simulations to study the static polarization limit for RHIC lattice

Corresponding author: Zhe Duan,

1. Key Laboratory of Particle Acceleration Physics and Technology, Institute of High Energy Physics, Chinese Academy of Sciences, 100049 Beijing, China

2. University of Chinese Academy of Sciences, Beijing 100049, China

3. Key Laboratory of Particle Acceleration Physics and Technology, Institute of High Energy Physics, Chinese Academy of Sciences, 100049 Beijing, China

Received Date: 2015-04-28

Accepted Date: 2015-08-27

Available Online: 2016-01-20

Fund Project: Supported by the U.S. Department of Energy (DE-AC02-98CH10886), Hundred-Talent Program (Chinese Academy of Sciences), and National Natural Science Foundation of China (11105164)

Abstract: 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.

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Simulations to study the static polarization limit for RHIC lattice

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