A Study of Betatron and Momentum Collimators in RHIC | Zendy

D. Trbojevic | Zendy; A. J. Stevens | Zendy; Michael R. Harrison | Zendy; F. Dell | Zendy; S. Peggs | Zendy

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A Study of Betatron and Momentum Collimators in RHIC

Author(s) -

D. Trbojevic,

A. J. Stevens,

Michael R. Harrison,

F. Dell,

S. Peggs

Publication year - 1997

Language(s) - English

Resource type - Reports

DOI - 10.2172/1119533

Subject(s) - betatron , physics , nuclear physics , relativistic heavy ion collider , beam (structure) , momentum (technical analysis) , scattering , collider , amplitude , heavy ion , optics , ion , economics , finance , quantum mechanics

The Relativistic Heavy Ion Collider (RHIC) has two interaction regions where /spl beta/*=1-2 m, with large detectors PHENIX and STAR. The transverse and longitudinal emittances are expected to double in size between one to two hours due to intra-beam scattering which may lead to transverse beam loss. Primary betatron collimators are positioned in the ring to allow efficient removal of particles with large betatron amplitudes. We have investigated distributions and losses coming from the out-scattered particles from the primary collimators, as well as the best positions for the secondary momentum and betatron collimators.

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