Treatment of Errors in Efficiency Calculations

Details Treatment of Errors in Efficiency Calculations Treatment of Errors in Efficiency Calculations

2007-01-17

arxiv.org/abs/physics/0701199v1

Physics

Data Analysis, Statistics and Probability

8 pages, 3 figures

Scientific paper

In this report we discuss the treatment of statistical errors in cut efficiencies. The two commonly used methods for the calculation of the errors, Poissonian and Binomial, are shown to be defective. We derive the form of the underlying probability density function and characterize its mean, mode, and variance. A method for the calculation of errors based on the variance of the distribution is discussed.

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