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Theoretical Physics to Face the Challenge of LHCLecture Notes of the Les Houches Summer School: Volume 97, August 2011$
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Laurent Baulieu, Karim Benakli, Michael R. Douglas, Bruno Mansoulie, Eliezer Rabinovici, and Leticia F. Cugliandolo

Print publication date: 2015

Print ISBN-13: 9780198727965

Published to Oxford Scholarship Online: March 2015

DOI: 10.1093/acprof:oso/9780198727965.001.0001

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About the identification of signals at LHC

About the identification of signals at LHC

analysis and statistics

(p.90) (p.91) 4 About the identification of signals at LHC
Theoretical Physics to Face the Challenge of LHC

Bruno Mansoulié

Oxford University Press

This chapter describes the main ingredients and steps of the analysis used in the search for the Standard Model Higgs boson decaying into WW (l‎, l‎, νν‎) in the ATLAS experiment. It presents a short guide through a “modern” analysis, typical of the analyses performed on LHC data. The main ingredients are reviewed: irreducible and reducible backgrounds, background estimates from Monte Carlo or data-driven, signal and control regions, global fit, extraction of limits and signal, and the look-elsewhere effect.

Keywords:   LHC, ATLAS, data analysis, background estimates, Monte Carlo, look-elsewhere effect

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