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 9 of 9 for “"Proton-proton interactions"”.
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Strange-particle production in 8 BeV/c proton-proton interactions
… hydrogen bubble chamber exposed to 8 BeV/c protons. All 2, 4, 6, and 8 prong events with one or more associated kinks or V's were scanned for and 7,300 candidates for strange particle events were found. Of these, 3,600 were successfully measured and3 of these, 1,260 strange particle events …
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Single π° production in proton-proton interactions at 2.8 Bev/c
Approximately 6,000 two prong events from proton-proton interactions at 2.8 Bev/c have been analyzed in order to study single π° production. The center-of-mass momentum distributions of the final state protons and pions have been found to be in generally good agreement with the theoretical …
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Search for Excited Randall-Sundrum Gravitons with Semi-Leptonic Diboson Final States in 4.7 fb-1 of Proton-Proton Collisions using the ATLAS Detector at the Large Hadron Collider
This dissertation describes a search for resonant WW and WZ production in the lvjj decay channel using 4.701 fb-1 of sqrt(s) = 7 TeV LHC collision data collected by the ATLAS detector. Events with a single charged lepton, at least two jets and missing transverse energy are analyzed and no …
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Measurement of single-top T-channel production using ATLAS data
… collected during the first half of 2011, from proton-proton collisions with a 7 TeV center-of-mass collision energy. Single-top is electroweak top-quark production and t-channel is one of the standard model production modes. To isolate this production, selections are applied to find events with …
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Electron-Muon Correlations in Proton+Proton and Deuteron+Gold Collisions at PHENIX
… at the PHENIX experiment at RHIC in 200 GeV proton-proton and deuteron-gold collisions. Electron-muon pairs result from the semileptonic decay of D mesons, which come from correlated charm pairs. The pairs are measured at forward rapidity, with ∣η∣ < 0.5 for the electron and 1.4 < ∣η∣ < 2.1 …
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Properties of Fragmentation Photons in p+p Collisions at 200 GeV Center-of-Mass Energy
The strong modification to the production of final state hadrons in heavy ion collisions is a key signature of the hot dense medium produced at energies achieved at the Relativistic Heavy Ion Collider (RHIC). Understanding the mechanisms for the parton energy loss responsible for these …
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Jet Quenching in Relativistic Heavy Ion Collisions at the LHC
Jet production in relativistic heavy ion collisions is studied using Pb+Pb collisions at a center of mass energy of 2.76 TeV per nucleon. The measurements reported here utilize data collected with the ATLAS detector at the LHC from the 2010 Pb ion run corresponding to a total integrated luminosity …
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Charged Particle Multiplicity and Open Heavy Flavor Physics in Relativistic Heavy Ion Collisions at the LHC
In this thesis, two independent measurements are presented: the measure- ments of centrality dependence and pseudo-rapidity dependence of charged particle multiplicities, and the measurements of centrality dependence of open heavy flavor suppression. These measurements are carried out with the …
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Direct Jet Reconstruction in Proton-Proton and Copper-Copper Collisions at √sNN = 200 GeV
… the 2004/2005 RHIC run. The result includes the proton-proton inclusive jet spectrum, the proton-proton fragmentation function, the copper-copper jet nuclear modification factor, the copper-copper jet central-to-peripheral modification factor, and the copper-copper dijet azimuthal correlation. …