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Higgs Recoil Mass and Cross-Section Analysis at ILC AND Calibration of the CALICE SiW ECAL Prototype

Abstract : The ma jor topic of this dissertation is the study of the Higgs recoil mass and the cross section measurements using the Higgs-strahlung process with Z → µ + µ− and e+e−, based on the detailed ILD detector simulation. The study assumes a Higgs mass of 120 GeV at center of mass energy 250 GeV with an integrated luminosity of 250 fb−1 . The resulting precision achieves 28 MeV on the Higgs mass measurement and 2.0% on the cross section measurement by combining the two Z decay channels. The study proves that the background can be largely reduced and the results exhibit sensitivity to the configuration of the accelerator. The analysis and its results are included in the ILD Letter of Intent. The second topic of this dissertation is the MIP calibration of the SiW ECAL prototype developed by the CALICE collaboration. The calibration constants are extracted for the beam test at FNAL in 2008, and they are found to be stable by comparing with that of 2006 CERN.
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https://tel.archives-ouvertes.fr/tel-00430432
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Submitted on : Friday, November 6, 2009 - 5:21:33 PM
Last modification on : Wednesday, September 16, 2020 - 4:19:56 PM
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  • HAL Id : tel-00430432, version 1

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H. Li. Higgs Recoil Mass and Cross-Section Analysis at ILC AND Calibration of the CALICE SiW ECAL Prototype. High Energy Physics - Experiment [hep-ex]. Université Paris Sud - Paris XI, 2009. English. ⟨tel-00430432⟩

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