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Title: RHIC spin flipper commissioning results

Conference ·
OSTI ID:1047665

The five AC dipole RHIC spin flipper design in the RHIC Blue ring was first tested during the RHIC 2012 polarized proton operation. The advantage of this design is to eliminate the vertical coherent betatron oscillations outside the spin flipper. The closure of each ac dipole vertical bump was measured with orbital response as well as spin. The effect of the rotating field on the spin motion by the spin flipper was also confirmed by measuring the suppressed resonance at Q{sub s} = 1 - Q{sub osc}.

Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States). Relativistic Heavy Ion Collider (RHIC)
Sponsoring Organization:
USDOE SC OFFICE OF SCIENCE (SC)
DOE Contract Number:
DE-AC02-98CH10886
OSTI ID:
1047665
Report Number(s):
BNL-96745-2012-CP; R&D Project: KBCH139; 18031; KB0202011; TRN: US1204013
Resource Relation:
Conference: 2012 International Particle Accelerator Conference (IPAC 2012); New Orleans, LA; 20120520 through 20120525
Country of Publication:
United States
Language:
English

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