New Physics Discovery Potential in Future Experiments

Details New Physics Discovery Potential in Future Experiments New Physics Discovery Potential in Future Experiments

1998-11-15

arxiv.org/abs/physics/9811025v3

Physics

Data Analysis, Statistics and Probability

1 latex files (22 pages), 3 eps files (figures), introduced normalized kappa, added comments to ref.[9]

Scientific paper

10.1142/S0217732398003442

We propose a method to estimate the probability of new physics discovery in future high energy physics experiments. Physics simulation gives both the average numbers of background and of signal events. We find that the proper definition of the significance for , >> 1 is S_{12} = sqrt(+) - sqrt() in comparison with often used significances S_1 = /sqrt() and S_2 = /sqrt( + ). We propose a method for taking into account the systematical errors related to nonexact knowledge of background and signal cross sections. An account of such systematics is very essential in the search for supersymmetry at LHC. We also propose a method for estimation of exclusion limits on new physics in future experiments.

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