Beam-beam collisions and crossing angles in RHIC

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Description

This paper evaluates the strength of head on and parasitic beam-beam collisions in RHIC when the crossing angle is zero. A non-zero crossing angle is not required in normal operation with 120 bunches, thanks to the early separation of the two beams. The RHIC lattice is shown to easily accommodate even conservatively large crossing angles, for example in beam dynamics studies, or in future operational upgrades to as many as 360 bunches per ring. A modest loss in luminosity is incurred when gold ions collide at an angle after 10 hours of storage.

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3 p.

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Peggs, S. June 1, 1999.

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Description

This paper evaluates the strength of head on and parasitic beam-beam collisions in RHIC when the crossing angle is zero. A non-zero crossing angle is not required in normal operation with 120 bunches, thanks to the early separation of the two beams. The RHIC lattice is shown to easily accommodate even conservatively large crossing angles, for example in beam dynamics studies, or in future operational upgrades to as many as 360 bunches per ring. A modest loss in luminosity is incurred when gold ions collide at an angle after 10 hours of storage.

Physical Description

3 p.

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INIS; OSTI as DE99002664

Source

  • Workshop on beam-beam effects in large hadron colliders, Geneva (Switzerland), 12-16 Apr 1999

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  • Other: DE99002664
  • Report No.: BNL--66426
  • Report No.: CONF-990413--
  • Grant Number: AC02-98CH10886
  • Office of Scientific & Technical Information Report Number: 350918
  • Archival Resource Key: ark:/67531/metadc675055

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  • June 1, 1999

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • Nov. 9, 2015, 4:55 p.m.

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Peggs, S. Beam-beam collisions and crossing angles in RHIC, article, June 1, 1999; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc675055/: accessed September 26, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.