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 76 for “"High Energies"”.
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Ion Bunching at High Energies
Light ions offer several advantages over an electron beam or lasers as the driver for pellet fusion. This research deals with demonstrating that the electrostatic space charge fields produced by a reflex triode can be used to extract, accelerate, focus and bunch ions onto a target. The source of …
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Pulsar wind nebulae at high energies
… study of the detected population of PWNe at high energies. To outline general trends regarding their evolutionary behaviour, a time-dependent model is introduced and compared to the available data. In particular, this work presents two exceptional PWNe which protrude from the rest of the …
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Deep inelastic scattering at high energies
The primary purpose of this thesis is to provide a pedagogical introduction into the general formalism for applying the theory of Quantum Chromodynamics (QCD) to collider phenomenology. To this end, we frame the discussion in terms of one of the simplest, yet still one of the most important …
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Inelastic electron-deuteron scattering at high energies.
Massachusetts Institute of Technology. Dept. of Physics. Thesis. 1971. Ph.D.
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Theory of Alpha-Nucleus Collisions at High Energies
<p>The interaction of high energy alpha particles with atomic nuclei is considered using multiple scattering theories. Semi-classical solutions to coupled-channel equations derived from Watson's form of the nucleus-nucleus multiple scattering series are shown to be equivalent to the Glauber …
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Exclusive diffractive dissociation of KL mesons at high energies
… results of two other experiments at lower lab energies with charged kaon beams on a hydrogen target."
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ON THE SPECTRA OF GAMMA-RAY BURSTS AT HIGH ENERGIES
… for the first time, an investigation of the high-energy (>1 MeV) behavior of a substantial number of gamma-ray bursts.</p><p>It is found that high-energy emission is seen in a large fraction of all events and that the data are consistent with all bursts emitting to at least 5 MeV with no …
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Aspects of QCD at high energies and their Phenomenological Consequences
We study the high-energy limit of QCD using the DGLAP, BFKL and B-JIMWLK frameworksbased on non-standard perturbative re-summation techniques to calculate the theory predictionsfor the cross section of semi-hard processes in these little explored kinematic domains.In particular, we have studied …
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Exclusive Diffractive Dissociation of K(l) Mesons at High Energies
… results of two other experiments at lower lab energies with charged kaon beams on a hydrogen target.
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Rapidity evolution of observables at high energies using the Gaussian truncation
… contributions to cross-sections measured at high-energy collider experiments. At high energies, the quantum-chromo-dynamics of particle collisions is well described through the use of the colour-glass condensate. In this domain, the interaction of coloured objects with the CGC medium is well …
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A study of the process e⁺e⁻ [arrow] hadrons at high energies
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 1987.
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Running Coupling Constant and Transition From Low to High Energies in Quantum Chromodynamics
… on the energy of the interacting particles. At high energies, the coupling constant vanishes and QCD becomes asymptotically free. However, at lower energy, the running coupling constant increases, leading to the confining strong-coupling theory at energies of the order of hadron masses. We study …
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Some Problems and Models Relating to the Elastic Scattering of Hadrons at Very High Energies
Submitted by Jesse Garrison (jagarris@illinois.edu) on 2012-01-12T18:28:18Z No. of bitstreams: 1 1974_davidson.pdf: 4355785 bytes, checksum: 8cf89923d301b42134421c86d0555145 (MD5)
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Statistical methods for the search of high energy neutrinos from galactic sources in KM3NeT and ANTARES telescopes
… astroparticle physics. More generally, at very high energies, astronomy with photons becomes useless because they are absorbed on the low energy photons from the cosmic background radiation. This limits the path length of a 10 TeV photon, for example, to roughly the distance of the nearest …
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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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HIGH ENERGY COSMIC RAY CHARGE AND ENERGY SPECTRA MEASUREMENTS ABOVE 100 GEV/NUC
… was employed to extend these measurements to high energies. The total collection factor for these flights is greater than twenty m('2) ster-hr. Individual charge resolution is achieved over the charge range Z = 4 - 26, and overlapping differential spectra are obtained from the three flights up …
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Bootstrap Techniques in Flat Space and Cosmology
… mechanism remain hidden behind a veil of high energies that we cannot access in particle accelerators. Physics of the early Universe can instead be studied by identifying its effects on cosmological fluctuations produced in the early Universe, which are responsible for the anisotropies of …
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Focused orientation of campaniform sensilla on Periplaneta americana L. (Orthoptera: Blattidae) trochanters and femurs
… Within parallel and series focuses, low and high stimulus energies may yield different depolarization sequences, i.e., low energies depolarize near sensilla while high energies depolarize larger numbers of distant sensilla.
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Design and construction of a cyclotron capable of accelerating protons to 2 MeV
… electrical field accelerates these particles to high energies, typically on the order of mega-electron volts. This cyclotron can be used by students in the Department of Nuclear Engineering to perform experiments with low energy proton beams. For example, this cyclotron could be used for …
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Nucleon-Nucleon Spin Dependent Scattering Amplitudes to Describe Final State Interactions in Electromagnetic and Electroweak Nuclear Processes
… spin dependent scattering amplitudes at high energies (<em> s</em> ≥ 6 GeV<sup>2)</sup>. This work aims to provide a model for calculating these high-energy scattering amplitudes. The foundation of the model is Regge theory since it allows for a relativistic description and full spin …
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