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Lower bound for the Standard Model Higgs boson mass from combining the results of the four LEP experiments

By Aleph Delphi And, Opal Collaborations, Contributions From P. Bock, J. Carr, S. De Jong, F. Di Lodovico, E. Gross, P. Igo-kemenes, P. Janot, W. Murray, M. Pieri, A. Read, V. Ruhlmann-kleider and A. Sopczak

Abstract

Various statistical methods are considered to combine the searches for the Standard Model Higgs boson performed by the four LEP collaborations. These methods are applied to the published data collected in 1996 at centre-of-mass energies close to 161 GeV and 172 GeV. A 95% confidence level lower bound of 77.5 GeV=c 2 is obtained for the mass of the Standard Model Higgs boson. 1 Contributions from P. Bock, J. Carr, S. De Jong, F. Di Lodovico, E. Gross, P. Igo-Kemenes, P. Janot, W. Murray, M. Pieri, A. Read, V. Ruhlmann-Kleider, A. Sopczak. 1 Introduction The statistical combination of the searches for the Standard Model Higgs boson performed by the four LEP collaborations is a rather complex task due to the numerous search channels, the different centre-of-mass energies and the various analysis procedures adopted. There is no unique, exact, method to deal with this problem. The LEP working group for Higgs boson searches has considered several statistical procedures. The proposed sc..

Year: 2007
OAI identifier: oai:CiteSeerX.psu:10.1.1.31.4317
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