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 20 of 1903 for “"High-Energy"”.
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High energy scalar quantum electrodynamics.
Thesis: Ph. D., Massachusetts Institute of Technology, Department of Physics, 1970
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HIGH ENERGY RESUMMATION IN PERTURBATIVE QCD
… this work, we review the general aspects of the high energy resummation technique. Recently derived results for high energy resummation of direct photon production are matched to NLO computations, and their implications at the Tevatron and at the LHC are explored. The effects of resummation are …
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Modelling of high-energy grinding processes
… often accomplished following a top-down route by high energy grinding. The reduced size of the particles constituting the end product and the incorporation of defects cause modified materials properties and increased solid-state chemical reactivity. Among grinding devices, the planetary ball mill …
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High Energy Laser Driven Electron Acceleration
… the intention of observing an increase in the energy of electrons and an improvement on several other parameters of the beam after acceleration (divergence, relative peak width, and beam pointing). It was found that a density gradient was able to accelerate the electrons to higher energies …
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High-Energy Aspects of Inflationary Cosmology
… be probed using two cosmological observables: higher-order correlations of primordial density perturbations (non-Gaussianity) and primordial gravitational waves (tensor modes). In the first part of the thesis, we explore novel signatures of high-energy physics in higher- order correlation …
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High Energy Two -Body Deuteron Photodisintegration
… counting rule behavior up to 4.0 GeV photon energy. The 37° and 53° data do not agree with the constituent counting rule prediction. The new data are compared with a variety of theoretical models inspired by quantum chromodynamics (QCD) and traditional hadronic nuclear physics.
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Dimuon Production by High-Energy Neutrons
Made available in DSpace on 2015-05-13T15:22:05Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 7709101.PDF: 1551247 bytes, checksum: 2c9b1ef5bf166c7ff6dbcbd999114da3 (MD5) Previous issue date: 1976
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High energy two-body deuteron photodisintegration
… counting rule behavior up to 4.0 GeV photon energy. The 37° and 53° data do not agree with the constituent counting rule prediction. The new data are compared with a variety of theoretical models inspired by quantum chromodynamics (QCD) and traditional hadronic nuclear physics.
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Multiperipheral models in high energy scattering
… predicted dif£ractive slopes are systematically high. Comments on duality and on the Trelman-Yang angle distribution, as they apply to this model, are made. The second part of the thesis is an application of the multiperipheral model to inelastic electron-proton scattering. The form factor vW2 …
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Dimuon production by high energy neutrons
… Accelerator Laboratory, the dimuon production by high energy neutrons has been measured for incident neutron energies of approximately 250 and 320 GeV. The mass spectra show clear peaks in the rho-omega mass region and at the J /psi mass. Cross sections and longitudinal and transverse momenta …
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High-energy approximations to nuclear scattering
We study high-energy approximations to nuclear scattering. These are based on expansions of the free-particle propagator. We distinguish the eikonal expansion and the Fresnel expansion and interpret their physical meaning in optical terms. A "Fresnel approximation" is defined as a partial sum of …
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High-Energy YB-Doped Femtosecond Fiber Lasers
… parameters that contribute in limiting the pulse energy and spectral bandwidth of the mode-locked femtosecond fiber lasers. I have focused on studying the impact of the parameters of the saturable absorber and the bandwidth of the lumped spectral filter on the temporal and spectral profiles of the …
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From Static Potentials to High-Energy Scattering
… potentials, confining QCD strings, and hadronic high-energy reactions with special emphasis on saturation effects manifesting S-matrix unitarity at ultra-high energies. The model combines perturbative gluon exchange with the non-perturbative stochastic vacuum model which describes color …
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Hadron Production in High-Energy Muon Scattering
Made available in DSpace on 2015-05-13T15:22:14Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 7913484.PDF: 4373659 bytes, checksum: 668f9e1aa0303132948cefcde811f8d9 (MD5) Previous issue date: 1978
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Hadron production in high energy muon scattering
… to study muon-proton scattering at an incident energy of 225 GeV and a total effective flux of 4.3 x 1010 muons. This experiment is able to detect charged particles in coincidence with the scattered muon in the forward hemisphere, and we report results for the neutral strange particles KO and AO …
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Photoproduction of electron pairs at high energy
Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-07-05T20:26:20Z No. of bitstreams: 1 1976_cormell.pdf: 4999498 bytes, checksum: 625e9604af7f6bca3e4614daac2cc39d (MD5)
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Adaptive optics for high energy laser systems
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1994.
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High-energy sub-cycle optical waveform synthesizer
… new ground with the advent of phase controlled high-energy few-cycle pulse sources. In particular, broadband optical parametric chirped pulse amplifier (OPCPA) has been investigated intensively in recent years to enable studies of novel strong-field physics phenomena such as high-harmonic …
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