Search for associated production of Z and Higgs bosons in proton-antiproton collisions at 1.96 TeV.

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Search for associated production of Z and Higgs bosons in proton-antiproton collisions at 1.96 TeV.

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dc.contributor.author BackusMayes, John
dc.date.accessioned 2011-01-04T17:33:41Z
dc.date.available 2011-01-04T17:33:41Z
dc.date.issued 2010
dc.identifier.uri http://hdl.handle.net/1773/16335
dc.description.abstract We present a search for associated production of Z and Higgs bosons in 4.2/fb of ppbar collisions at sqrt{s} = 1.96 TeV, produced in RunII of the Tevatron and recorded by the D0 detector. The search is performed in events containing at least two muons and at least two jets. The ZH signal is distinguished from the expected backgrounds by means of multivariate classifiers known as random forests. Binned random forest output distributions are used in comparing the data to background-only and signal+background hypotheses. No excess is observed in the data, so we set upper limits on ZH production with a 95% confidence level. en_US
dc.language.iso en_US en_US
dc.publisher ProQuest Information and Learning en_US
dc.subject D0 en_US
dc.subject Tevatron en_US
dc.subject random forest en_US
dc.subject Higgs en_US
dc.subject Higgsstrahlung en_US
dc.title Search for associated production of Z and Higgs bosons in proton-antiproton collisions at 1.96 TeV. en_US
dc.type Thesis en_US


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