Author: Bai, M.
Paper Title Page
TUPWI048 Experimental Demonstration of an Interaction Region Beam Waist Position Knob for Luminosity Leveling 2357
 
  • Y. Hao, Y. Luo, A. Marusic, G. Robert-Demolaize, X. Shen
    BNL, Upton, Long Island, New York, USA
  • M. Bai
    FZJ, Jülich, Germany
  • Z. Duan
    IHEP, Beijing, People's Republic of China
 
  Funding: Work supported by Brookhaven Science Associates, LLC under Contract No. DE-AC02-98CH10886 with the U.S. Department of Energy.
In this paper, we report on the experimental implementation of the model-dependent control of the interaction region beam waist position (s* knob) at the Relativistic Heavy Ion Collider (RHIC). The s* adjustment provides an alternative way of controlling the luminosity and is the only known method to control the luminosity and to reduce the pinch effect of the future eRHIC. We first demonstrate the effectiveness of the s* knob in luminosity controlling and its application in the future electron ion collider, eRHIC, followed by details of the experimental demonstration of such knob in RHIC.
 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2015-TUPWI048  
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