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 79 for “"Energy dependence"”.
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Energy Dependence of Transverse Momentum Correlations and an Exploration of the Color String Percolation Model in AuAu Collisions
… Ion Collider (RHIC) conducted a two year beam energy
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Energy dependence of the helium-3 induced charge exchange reaction on several light nuclei with n - z = 1
9Be , llB, 25Mg and 27Al targets have been bombarded with the He beam from the University of Illinois cyclotron. The angular distributions for the (3He ,t) charge exchange reaction have been obtained for 9Be at 20.2, 22.1, 24.9 and 27.8 MeV; for 11B at 20.2, 22.1, and 24.9 MeV; and for' 25 Mg and …
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Dynamic Pion Studies in Nuclear Matter
… any static pion model to one containing explicit energy dependence is provided. We show that adding energy dependence to the pionic component of the Nucleon-Nucleon interaction reduces the component of D-state wave function in the deuteron while adding a non-negligible chance of finding the …
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Generalized quantum defect methods in quantum chemistry
… reaction matrix in a form which minimizes its energy dependence. This reaction matrix method is applied to the Rydberg electronic structure of Calcium monofluoride. The spectroscopic quantum defects for the ... states of CaF are computed using an effective one-electron calculation. Good …
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Electron disintegration of helium between 45 and 100 MeV
… measured at five angles over an energy range of 45-100 MeV. Electrons from the National Bureau of Standards 120 MeV, 40 kW linear electron accelerator struck a gaseous-He target. The charged reaction products were detected by 10 lithium drifted silicon detectors cooled to 770K …
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A gauge-invariant, symmetry-preserving truncation of JIMWLK
… chromodynamics in its application to high-energy collider experiments in the spirit of an effective field theory. In deeply inelastic lepton-hadron scattering experiments, as well as in hadron-hadron collisions, the internal degrees of freedom of in-state hadrons are dominated by a dense …
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Measurement of the strong interaction form factor and the charge asymmetry in the decay K0L®pme±n(`n)
… performed at the Argonne ZGS which measures the energy dependence of the strong interaction form factor and the charge asymmetry in the decay ~ - ,,+ ei v(v). The events were identified by the observation of an electron shower in a set of shower spark chambers, reconstructed by the measurement of …
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Properties of extensive air showers around 10(17) eV
… and the CASA-MIA ground array within the energy range 10(16.7)-10(17.9) eV. Arrival direction, energy, location of muon content, and Xmax were determined for each event. A predominantly heavy composition was found over the entire energy range. The muon multiplicity and lateral distribution …
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Direct pion-nucleus interactions in the resonance region
The direct reactions of pions with nuclei in the energy region of the πN(3,3) resonance are examined in the eikonal formalism. In particular, the angular and energy dependence of the elastic scattering of πsup(+-) from the calcium isotopes 40Ca, 48Ca is studied, using a detailed phenomenological …
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Alcator C-Mod soft X-ray pulse height analysis system
… soft X-rays in the 1-30 keV range with an energy resolution on the order of 100eV. A FASTComtec MCA-3 multichannel analyzer allows integration times of ims while the PHA supports counting rates of up to 80kHz. The thermal electron temperature is measured from the energy dependence of the …
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An investigation of the natural line shape of the giant dipole resonance.
… 165Ho showed that the best function for the energy dependence of the reduced transition probability is given by the Breit-Wigner form rather than the Lorentz form of a resonance function. However, the form of the resulting measured cross section is of the Lorentz type. The dependence of the …
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Spectroscopic radiography with monoenergetic neutrons for homeland security applications
… which leverages the large differences in the energy dependence of neutron interaction cross sections between hydrogenous materials and those of higher atomic number. These dependencies result in characteristic spectral details of hydrogenous materials which may be analyzed to classify type and …
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Looking for matter enhanced neutrino oscillations via day v. night asymmetries in the NCD phase of the Sudbury Neutrino Observatory
… that this effect is expected to have an energy dependence, the asymmetry is modeled as an affine function of energy. This measurement yields an asymmetry in the neutrino flux of ... measured in MeV.
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Observation of quasi two-body production in pion plus proton goes to neutron plus four charged pions at 8 geV/c
… is made to another experiment regarding the energy dependence of certain cross sections and a simple power law behavior is observed.
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Localization properties of nonlinear disordered lattices
… presented where the focus lies especially on the energy dependence of the thermalization properties. A connection with so-called breathers is drawn.
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Compensation Techniques in Accelerator Physics
… are studied in the context of the MEIC (Medium Energy Electron Ion Collider) project at Jefferson Laboratory. Several chromaticity (the energy dependence of the particle tune) compensation methods are evaluated numerically and deployed in a figure eight ring designed for the electrons in the …
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Evidence for e+e− → γηc(1S) at center-of-mass energies between 4.01 and 4.60 GeV at BESIII
… Born cross section, σE(e+e− → γηc(1S)), at each energy using a combination of twelve ηc(1S) decay channels. Because the significance of the signal is marginal at each energy (≤ 3.0σ), we also combine all six energies under various assumptions for the energy-dependence of the cross section. If a Y …
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Thermal modelling of ultrarelativistic heavy ion collisions conserving strangeness exactly
… for heavy-ion collisions in the broad range of energy from SIS/GSI through AGS/BNL up to BPS/CERN and RHIC/BNL, assuming that particles can be described by a hadron gas in thermal and chemical equilibrium. The role of strangeness conservation and strangeness equilibration is a central feature in …
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Study of recycling impurity retention in Alcator C-mod
… source till it reaches the core, include the energy dependence on recycled impurity atoms, and allow for more realistic impurity recycling in the SOL. This added capability allows the determination of which source locations are dominant in determining the core impurity level, where they cross …
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Strategies for the future of lighting
… market. Lighting consumes an enormous amount of energy, and LEDs have the potential to dramatically reduce energy dependence. The approach utilized for this thesis involved first analyzing the projected performance improvements for LEDs, as these metrics are key factors to customer adoption. In …
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