Helical spin rotators and snakes for RHIC

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The RHIC collider, now under construction at BNL, will have the possibility of polarized proton-proton collisions up to a beam energy of 250 Gev. Polarized proton beams of such high energy can be only obtained with the use of siberian snakes, a special kind of spin rotator that rotates the particle spin by 180{degree} around an axis lying in the horizontal plane. Siberian snakes help to preserve the beam polarization while numerous spin depolarizing resonances are crossed, during acceleration. In order to collide longitudinally polarized beams, it is also planned to install spin rotators around two interaction regions. This paper ... continued below

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4 p.

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Ptitsin, V. I.; Shatunov, Yu. M. & Peggs, S. May 1995.

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The RHIC collider, now under construction at BNL, will have the possibility of polarized proton-proton collisions up to a beam energy of 250 Gev. Polarized proton beams of such high energy can be only obtained with the use of siberian snakes, a special kind of spin rotator that rotates the particle spin by 180{degree} around an axis lying in the horizontal plane. Siberian snakes help to preserve the beam polarization while numerous spin depolarizing resonances are crossed, during acceleration. In order to collide longitudinally polarized beams, it is also planned to install spin rotators around two interaction regions. This paper discusses snake and spin rotator designs based on sequences of four helical magnets. The schemes that were chosen to be applied at RHIC are presented.

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4 p.

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INIS; OSTI as DE95011561

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  • 16. Institute of Electrical and Electronic Engineers (IEEE) particle accelerator conference, Dallas, TX (United States), 1-5 May 1995

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  • Other: DE95011561
  • Report No.: BNL--61163
  • Report No.: CONF-950512--57
  • Grant Number: AC02-76CH00016
  • Office of Scientific & Technical Information Report Number: 61200
  • Archival Resource Key: ark:/67531/metadc699117

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  • May 1995

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  • Aug. 14, 2015, 8:43 a.m.

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  • Nov. 20, 2015, 8:36 p.m.

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Ptitsin, V. I.; Shatunov, Yu. M. & Peggs, S. Helical spin rotators and snakes for RHIC, article, May 1995; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc699117/: accessed September 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.