UNBIASED ESTIMATORS FOR CORRELATION-MEASUREMENTS

被引:2
作者
EGGERS, HC
LIPA, P
机构
[1] UNIV REGENSBURG,INST THEORET PHYS,D-93040 REGENSBURG,GERMANY
[2] UNIV ARIZONA,DEPT PHYS,TUCSON,AZ 85721
来源
PHYSICAL REVIEW D | 1995年 / 51卷 / 05期
关键词
D O I
10.1103/PhysRevD.51.2138
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Higher order correlation measurements involve multiple event averages which must run over unequal events to avoid statistical bias. We derive correction formulas for small event samples, where the bias is largest, and utilize the results to achieve savings in CPU time consumption for the star integral. Results from a simple model of correlations illustrate the utility and importance of these corrections. Single-event correlation measurements such as in galaxy distributions and envisaged at the BNL RHIC must take great care to avoid this unnecessary pitfall. © 1995 The American Physical Society.
引用
收藏
页码:2138 / 2149
页数:12
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