RHIC spin flipper commissioning results

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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}.

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M., Bai; Roser, T.; Dawson, C.; Kewisch, J.; Makdisi, Y.; Oddo, P. et al. May 20, 2012.

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Description

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}.

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  • 2012 International Particle Accelerator Conference (IPAC 2012); New Orleans, LA; 20120520 through 20120525

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  • Report No.: BNL--96745-2012-CP
  • Grant Number: DE-AC02-98CH10886
  • Office of Scientific & Technical Information Report Number: 1047665
  • Archival Resource Key: ark:/67531/metadc840956

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  • May 20, 2012

Added to The UNT Digital Library

  • May 19, 2016, 9:45 a.m.

Description Last Updated

  • June 9, 2016, 2:56 p.m.

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M., Bai; Roser, T.; Dawson, C.; Kewisch, J.; Makdisi, Y.; Oddo, P. et al. RHIC spin flipper commissioning results, article, May 20, 2012; United States. (digital.library.unt.edu/ark:/67531/metadc840956/: accessed September 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.