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Title: ZDC Effective Cross Section for Uranium-Uranium Collisions in Run 12

An accurate calibration of the luminosity measurement of the 2012 Uranium-Uranium RHIC run at 96 GeV per beam is of the greatest importance in order to measure the total uranium-uranium cross section with a reasonably small error bar. During the run, which lasted from April 20th to May 15th 2012, three vernier scans per experiment were performed. Beam intensities of up to 3.4 1010 Uranium ions in one ring were successfully accelerated to flattop at γ = 103.48 corresponding to 96 GeV/beam. The desired model β value was 0.7 m in the two low beta Interaction Points IP6 and IP8. With these beam parameters interaction rates of up to 15 kHz were achieved. This note presents the data associated with the vernier scans, and discusses the results and systematic effects.
  1. Brookhaven National Lab. (BNL), Upton, NY (United States)
Publication Date:
OSTI Identifier:
Report Number(s):
R&D Project: KBCH139; 18031; KB0202011
DOE Contract Number:
Resource Type:
Technical Report
Research Org:
Brookhaven National Laboratory (BNL) Relativistic Heavy Ion Collider
Sponsoring Org:
USDOE Office of Science (SC)
Country of Publication:
United States
43 PARTICLE ACCELERATORS relativistic heavy ion collider