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Title: Experimental demonstration of interaction region beam waist position knob for luminosity leveling

In this paper, we report the experimental implementation of the model-dependent control of the interaction region beam waist position (s* knob) at Relativistic Heavy Ion Collider (RHIC). The s* adjustment provides an alternative way of controlling the luminosity and is only known method to control the luminosity and reduce the pinch effect of the future eRHIC. In this paper, we will first demonstrate the effectiveness of the s* knob in luminosity controlling and its application in the future electron ion collider, eRHIC, followed by the detail experimental demonstration of such knob in RHIC.
Authors:
 [1] ;  [2] ;  [3] ;  [1] ;  [1] ;  [1] ;  [4]
  1. Brookhaven National Lab. (BNL), Upton, NY (United States)
  2. Inst. fuer Kernphysik, Juelich (Germany). Inst. for Advanced Simulation
  3. Inst. of High Energy Physics, Beijing (China)
  4. SLAC National Accelerator Lab., Menlo Park, CA (United States)
Publication Date:
OSTI Identifier:
1188270
Report Number(s):
BNL--107436-2015-CP
R&D Project: KBCH139; KB0202011; TRN: US1500264
DOE Contract Number:
SC00112704
Resource Type:
Conference
Resource Relation:
Conference: 6th International Particle Accelerator Conference (IPAC’15), Richmond, VA (United States), 3-8 May 2015
Research Org:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Org:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS; BEAM LUMINOSITY; BROOKHAVEN RHIC; ELECTRONS; INTERACTIONS; CONTROL; BEAM DYNAMICS; IMPLEMENTATION