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Title: Observation of an excess in the search for the Standard Model Higgs boson using cuts based analyses at ALEPH
Author: Kennedy, John Alan
ISNI:       0000 0001 3597 2254
Awarding Body: University of Glasgow
Current Institution: University of Glasgow
Date of Award: 2001
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In 2000, the final year of LEP running, the LEP accelerator produced its highest ever collision energies with centre of mass energies reaching 210 GeV. In total 217 pb-1 of integrated luminosity were collected by the ALEPH detector. The collected data have been analysed using cuts based analyses for evidence of Standard Model Higgs boson production. An excess of high mass candidate events is observed, corresponding to a significance of 3.1sigma above the standard model background expectation, with much of this excess originating in the four jets final state. The production of a Higgs boson with a mass of ≈115 GeV/c2 is favoured if the observed excess is attributed to the production of a Standard Model Higgs boson.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available