Confidence Level Computation for Combining Searches with Small Statistics

Details Confidence Level Computation for Combining Searches with Small Statistics Confidence Level Computation for Combining Searches with Small Statistics

1999-02-05

arxiv.org/abs/hep-ex/9902006v1

Nucl.Instrum.Meth.A434:435-443,1999

Physics

High Energy Physics

High Energy Physics - Experiment

17 pages, 2 figures, LaTeX, program available at http://home.cern.ch/~thomasj/searchlimits/ecl.html one replacement to fix a

Scientific paper

10.1016/S0168-9002(99)00498-2

This article describes an efficient procedure for computing approximate confidence levels for searches for new particles where the expected signal and background levels are small enough to require the use of Poisson statistics. The results of many independent searches for the same particle may be combined easily, regardless of the discriminating variables which may be measured for the candidate events. The effects of systematic uncertainty in the signal and background models are incorporated in the confidence levels. The procedure described allows efficient computation of expected confidence levels.

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