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

Technical Report ·
DOI:https://doi.org/10.2172/1116507· OSTI ID:1116507
 [1]
  1. Brookhaven National Lab. (BNL), Upton, NY (United States)

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.

Research Organization:
Brookhaven National Lab. (BNL), Upton, NY (United States). Relativistic Heavy Ion Collider (RHIC)
Sponsoring Organization:
USDOE Office of Science (SC)
DOE Contract Number:
AC02-98CH10886
OSTI ID:
1116507
Report Number(s):
BNL-103466-2013-IR; R&D Project: KBCH139; 18031; KB0202011
Country of Publication:
United States
Language:
English