Phys. Rev. ST Accel. Beams 8, 123201 (2005) [7 pages]

Effects of antigrazing ridges on electron cloud at the BNL Relativistic Heavy Ion Collider warm sections

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S. Y. Zhang *, H. C. Hseuh, P. Thieberger, and D. Trbojevic
C-A Department, Brookhaven National Laboratory, Upton, New York 11973, USA

Received 21 October 2005; published 14 December 2005

The antigrazing ridges installed in two Relativistic Heavy Ion Collider (RHIC) warm straight sections have been tested with beam. Significant reduction in electron cloud induced pressure rise has been observed. In addition, the pressure rise pattern at these locations has changed. The effect of antigrazing ridges on the RHIC warm section electron cloud are discussed, as well as possible mechanisms.


©2005 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevSTAB.8.123201
DOI: 10.1103/PhysRevSTAB.8.123201
PACS: 29.20.Dh, 29.27.Bd

* Email address: syzhang@BNL.GOV

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