Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 10 of 10 for “"tau lepton"”.
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Search for anomalous couplings in the decay of polarized Z bosons to tau lepton pairs
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 1997.
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Measurement of the Anomalous Magnetic Moment of Tau Lepton with CMS Experiments and Improvements to the Zero Degree Calorimeters at CMS
… Measurements of the anomalous magnetic moment of leptons have recently gained interest owing to the tension between experimental measurements of the anomalous magnetic moment of muons am at the Muon g-2 experiment [1] and Standard Model predictions [2]. If physics beyond the standard model is …
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Search for Charged Higgs Bosons at centre-of-mass Energies of 189-209 GeV at LEP
… waehrend das W^* Boson in zwei Quarks oder ein Lepton und Neutrino zerfallen kann. Da geladene Higgs Bosonen am LEP Speicherring in Paaren produziert werden, kann dieser Kanal acht oder mehr Teilchenbuendel im Endzustand haben. Auch ist der Zerfall eines der geladenen Higgs Bosonen in ein …
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A study of tau identification with the CMS detector at the LHC
In this thesis I explore the identification of [tau] leptons from simulated reconstructed data that will be collected by the Compact Muon Solenoid (CMS) detector on the Large Hadron Collider (LHC) at CERN. The two components of particle identification, efficiencies of [tau] identification from …
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Search for Heavy Resonances Decaying to Taus in 7 TeV Proton-Proton Collisions at the Large Hadron Collider
… that may lead to events with highly energetic tau lepton pairs. In this dissertation, focus is placed on a possible search for new heavy gauge bosons decaying to highly energetic tau pairs using a data sample corresponding to an integrated luminosity of 36 pb^-1 of proton-proton collisions at …
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Search for promptly decaying heavy neutral leptons in proton-proton collision events with trilepton final states using the CMS detector
… in het verval naar een toestand van meerdere leptonen wordt onderzocht in de analyse. Desondanks zal deze thesis zich focussen op slechts ´e ´en model dat zal dienen als ondersteunend materiaal om de bijdragen van de auteur in eindtoestanden met een hadronisch vervallen tau lepton te …
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Detectors and Physics at a Future Linear Collider
… The reconstruction and classification of tau lepton decay products was studied. Utilising highly granular calorimeters, the high resolution of energy and invariant mass of the tau decay products enabled a high classification rate. A hypothesis test was performed for expected decay final …
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Light Quark Masses from QCD Finite Energy Sum Rules
… scheme defined at some given scale, e.g. at the tau-lepton mass scale, and another chosen energy scale, s. This relation explicitly depicts the renormalization scheme dependence of the running quark mass on the scale parameter, s, and is important in accurately determining a light quark mass at a …
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Search for a charged Higgs Boson in proton-proton collisions at the LHC using the ATLAS detector
… ($H^{\pm}$) in the decay $H^{\pm} \rightarrow \tau_{had} \nu$, which are performed using data recorded in 2011 and 2012 by the ATLAS detector at the LHC. The $H^{\pm}$ bosons are predicted by some extensions of the Standard Model (SM) that include multiple Higgs doublet fields, such as the …
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Measurement of Higgs couplings to top quarks and τ leptons with the ATLAS detector
… is discussed in the context of the ttH → multilepton analysis, with an emphasis on final states with τhad-vis. A ttH cross section measurement, obtained in combination with results from tt(H → γγ), tt(H → ZZ* → 4ℓ) and tt(H → bb), is also presented. All results are found to be compatible with …