Estimating relative luminosity for RHIC spin physics

被引:0
作者
Spinka, C
Holan, S
Spinka, H
机构
[1] Argonne Natl Lab, High Energy Phys Div, Argonne, IL 60439 USA
[2] Texas A&M Univ, Dept Stat, College Stn, TX 77843 USA
关键词
luminosity monitoring; rate induced biases;
D O I
10.1016/j.nima.2004.04.213
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
Relative luminosities for different beam spin states must be determined to better than 10(-4)-10(-3) in order to measure spin asymmetries to the desired accuracy at RHIC. It is demonstrated that biases due to high rates in luminosity monitors can be kept acceptably small for anticipated RHIC operating conditions. Additionally, the distribution of the estimates is shown to be approximately Gaussian (normal) with known mean and standard error, permitting the construction of confidence intervals for the true spin asymmetry. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码:536 / 540
页数:5
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