The simulation of Siberian Snakes based on calculated three dimensional magnet field

Technical Report · Wed Dec 03 04:00:00 EST 1997

DOI:https://doi.org/10.2172/1149852· OSTI ID:1149852

Meiqin, Xiao ^[1]; Katayama, T. ^[1]

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1. Brookhaven National Laboratory (BNL), Upton, NY (United States). RIKEN Research Center

As a special kind of transport elements in storage ring, Siberian Snakes in RHIC, which consist of four right-handed helical dipole magnets, are expected to rotate spin direction of polarized proton to 180°, and should not affect the beam orbit at the same time, the axis of spin precession should make an angle = ±45° too. However, the problem is that actually they can not make the spin direction rotate 180° perfectly, also the fringing magnetic field will affect the beam trajectories

• Research Organization: Brookhaven National Laboratory (BNL), Upton, NY (United States)
• Sponsoring Organization: USDOE Office of Science (SC)
• DOE Contract Number: AC02-98CH10886
• OSTI ID: 1149852
• Report Number(s): BNL--103695-2014-IR
• Country of Publication: United States
• Language: English

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