Measurement of the Z tau tau boson production cross-section in proton-proton collisions at sqrt(s) = TeV with the ATLAS detector

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Measurement of the Z tau tau boson production cross-section in proton-proton collisions at sqrt(s) = TeV with the ATLAS detector

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dc.contributor.advisor Goussiou, Anna en_US
dc.contributor.author GRIFFITHS, Justin Adam en_US
dc.date.accessioned 2012-09-13T17:30:16Z
dc.date.available 2012-09-13T17:30:16Z
dc.date.issued 2012-09-13
dc.date.submitted 2012 en_US
dc.identifier.other GRIFFITHS_washington_0250E_10206.pdf en_US
dc.identifier.uri http://hdl.handle.net/1773/20697
dc.description Thesis (Ph.D.)--University of Washington, 2012 en_US
dc.description.abstract The first measurement of the inclusive cross-section of the <italic>Z</italic> boson decaying to two tau leptons was measured with the ATLAS detector at the LHC. The data sample in this analysis represents an integrated luminosity of 35 pb<super>-1</super> of proton-proton collisions at a center of mass energy of sqrt(s)=7 TeV. Separate measurements were performed in four decay modes based on how the two tau leptons decay: to hadrons and an electron, to hadrons and a muon, to an electron and a muon, and to two muons. In all four final states, inclusive cross-section measurements were made both in the fiducial region of the ATLAS detector where acceptance is high and in the full phase space, restricted to the mass range of [66, 116] GeV. The measurements from the four individual channels were then combined to yield the combined <italic>Z</italic>→ττ cross-section of 970 ± 70 (stat.) ± 60 (sys.) ± 30 (lumi.) pb. en_US
dc.format.mimetype application/pdf en_US
dc.language.iso en_US en_US
dc.subject ATLAS; Cross-section; LHC; Zboson en_US
dc.subject.other Physics en_US
dc.subject.other Particle physics en_US
dc.subject.other Physics en_US
dc.title Measurement of the Z tau tau boson production cross-section in proton-proton collisions at sqrt(s) = TeV with the ATLAS detector en_US
dc.type Thesis en_US
dc.embargo.terms No embargo en_US


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