Relevant bibliographies by topics / Plane wave Born approximation / Dissertations / Theses
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Dissertations / Theses on the topic 'Plane wave Born approximation'

Author: Grafiati
Published: 4 June 2021
Last updated: 13 February 2022

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1

Arnold, Thomas [Verfasser], Dietmar [Akademischer Betreuer] Hömberg, Simon Neil [Akademischer Betreuer] Chandler-Wilde, and Andreas [Akademischer Betreuer] Rathsfeld. "Scattering of plane waves by rough surfaces in the sense of Born approximation / Thomas Arnold. Gutachter: Dietmar Hömberg ; Simon Neil Chandler-Wilde ; Andreas Rathsfeld." Berlin : Technische Universität Berlin, 2014. http://d-nb.info/1065669666/34.

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2

Cross, Brian. "Structure and break-up of one-neutron halo nuclei." Thesis, University of Surrey, 1995. http://epubs.surrey.ac.uk/843872/.

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This thesis concerns the use of nuclear reactions to study the structure of neutron-rich light nuclei. Emphasis is placed on 11Be which has been identified as a nucleus with a single neutron halo and which offers a simple 2-body case for detailed analysis. Comparisons are made with experimental data for the break-up of 11Be on gold, titanium and beryllium targets. As a prelude to more detailed work a simple elastic break-up model calculation, using the Distorted Wave Born Approximation (DWBA), is attempted. The resulting theoretical cross-sections show good agreement with the shape of the expe
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3

Reiten, Andreas Lønning. "Diffuse Small Angle X-Ray Scattering From Thin Film Structures In the Distorted Wave Born Approximation." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for fysikk, 2011. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-13379.

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The differential scattering cross section for diffuse scattering of X-rays from thinfilm structures is discussed within the framework of the distorted wave Born ap-proximation (DWBA). In contrast to the standard Born approximation (BA), thedistorted wave approach succeeds in calculating scattering from surfaces near thecritical angle of reflection. The method is particularly useful for studying averagesurface properties.Compromises made in the derivation of the model substantially simplify thefinal expression, but also limit its range of validity, which depends on the surfaceroot mean square r
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4

Adera, Gashaw Bekele. "Relativistic distorted wave analysis of neutrino-induced strange particle production on nuclei." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/96081.

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5

Haynes, Matthew, and n/a. "Low Energy (e,2e) Studies of Inner Valence Ionization." Griffith University. Centre for Quantum Dynamics, 2002. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20050902.142912.

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This thesis presents a series of electron impact ionization measurements on the gas phase targets of argon and krypton. The (e,2e) coincidence technique has been employed to measure the triple differential cross section (TDCS) using a new coincidence spectrometer designed to operate in the low energy regime (2 to 5 times the ionization energy) and in the coplanar geometry. The spectrometer is a conventional device utilizing a non-energy selected electron gun and two 1800 hemispherical electron analysers fitted with channel electron multipliers for detection of the outgoing electrons. A series
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6

Van, Zyl Johannes Jacobus. "Two-nucleon transfer in the 58Ni(p;3He)56Co reaction at incident energies of 80, 100 and 120 MeV." Thesis, Stellenbosch : Stellenbosch University, 2012. http://hdl.handle.net/10019.1/71798.

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7

Mikulik, Petr. "Réflectivité des rayons X par des multicouches planaires et structurées." Université Joseph Fourier (Grenoble), 1997. http://www.theses.fr/1997GRE10056.

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La reflectivite des rayons x par des multicouches planaires et structurees est presentee en utilisant differentes approches theoriques. Les phenomenes de diffusion etudies sont : la reflectivite speculaire par des multicouches planaires ayant diverses sequences d'empilement (monocouche, periodique, quasiperiodique), la diffusion diffuse de multicouches rugueuses, et enfin la diffusion par des reseaux de surface et par des reseaux de multicouche. Les theories employees pour les calculs : la theorie cinematique, l'approximation de l'onde deformee de born, la theorie dynamique, et plusieurs appro
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8

Akhtar, Shamim. "Study of the 12C(α,γ)16O Reaction via the α-Transfer Reactions: 12C(6Li,d)16O and 12C(7Li,t)16O". Ohio University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1471384669.

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9

Long, Elena A. "Polarized 3He(e,e'n) Asymmetries in Three Orthogonal Measurements." Kent State University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=kent1350487441.

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10

Huynh, Dan-Nha. "Nonlinear optical phenomena within the discontinuous Galerkin time-domain method." Doctoral thesis, Humboldt-Universität zu Berlin, 2018. http://dx.doi.org/10.18452/19396.

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Diese Arbeit befasst sich mit der theoretischen Beschreibung nichtlinearer optischer Phänomene in Hinblick auf das (numerische) unstetige Galerkin-Zeitraumverfahren. Insbesondere werden zwei Materialmodelle behandelt: das hydrodynamische Modell für Metalle und das Modell für Raman-aktive Materialien. Im ersten Teil der Arbeit wird das hydordynamische Modell für Metalle unter Verwendung eines störungstheoretischen Ansatzes behandelt. Insbesondere wird dieser Ansatz genutzt, um die nichtlinearen optischen Effekte, Erzeugung zweiter Harmonischer und Summenfrequenzerzeugung, mit Hilfe des unstetig
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11

Shi, Hongting. "Defect structure and optical properties of alkaline earth fluorides." Doctoral thesis, [S.l.] : [s.n.], 2007. http://deposit.ddb.de/cgi-bin/dokserv?idn=984572015.

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12

de, Oliveira Santos F. "Détermination par réaction de transfert de largeurs alpha dans le fluor 19. Applications à l'astrophysique." Phd thesis, Université Paris Sud - Paris XI, 1995. http://tel.archives-ouvertes.fr/tel-01009384.

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La nucléosynthèse du fluor n'est pas encore clairement expliquée. Plusieurs scénarios prédisent que la réaction de capture alpha radiative sur l'azote 15 est la principale réaction de production de fluor. Dans l'expression du taux de cette réaction un paramètre essentiel est manquant, la largeur partielle alpha de la résonance sur le niveau d'énergie E = 4,377 MeV du fluor 19. Une mesure directe est exclue du fait de la très faible valeur attendue de la section efficace. Nous avons déterminé cette largeur alpha par le biais d'une réaction de transfert et une analyse en FR-DWBA (Finite Range Di
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13

"Multidimensional Born inversion with a wide-band plane wave source." Laboratory for Information and Decision Systems, Massachusetts Institute of Technology, 1985. http://hdl.handle.net/1721.1/2888.

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14

Chak, Tong Chan Anthony. "Distorted Wave Born Approximation For Inelastic Atomic Collision." Thesis, 2007. http://hdl.handle.net/10012/3131.

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An investigation of the problem of inelastic scattering process under the Coulomb Born approximation is given. Different approaches to calculate Coulomb wavefunctions in the momentum space representation are analyzed and a discussion of their existences in the generalized distribution sense is provided. Inokuti’s approach of finding the differential cross section in the momentum space representation under the Coulomb Born approximation is described and a different approach with an application of the Bremsstrahlung integral is developed and compared with Inokuti’s approach.
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15

Lisa, Nyameko. "Theoretical and computational considerations of Quasi-Free (p; 2p) reactions using the distorted-wave impulse approximation and Monte Carlo simulations in Geant4." Diss., 2014. http://hdl.handle.net/10500/18610.

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Under current investigation is the re-implementation of the Distorted-Wave Impulse Approximation (DWIA), originally formulated in FORTRAN by N.S. Chant and P.G. Roos, with the intention of developing it in a portable Python environment. This will be complimented by developing a GEANT4 detector simulation application. These two techniques will be used to model the (p,2p) proton knock-out reaction 40Ca(p; 2p)39K (2.52 MeV)1 2 + first excited state, at intermediate incident energies of 150 MeV. This study is a test-bed that lays the foundation and platform from which one may develop an in
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16

Bansal, Reeshidev 1978. "Seismic characterization of naturally fractured reservoirs." Thesis, 2007. http://hdl.handle.net/2152/3767.

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Many hydrocarbon reservoirs have sufficient porosity but low permeability (for example, tight gas sands and coal beds). However, such reservoirs are often naturally fractured. The fracture patterns in these reservoirs can control flow and transport properties, and therefore, play an important role in drilling production wells. On the scale of seismic wavelengths, closely spaced parallel fractures behave like an anisotropic media, which precludes the response of individual fractures in the seismic data. There are a number of fracture parameters which are needed to fully characterize a fractured
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17

Yi, Zhijun. "Ab-initio Study of Semi-conductor and Metallic Systems: from Density Functional Theory to Many Body Perturbation Theory." Doctoral thesis, 2010. https://repositorium.ub.uni-osnabrueck.de/handle/urn:nbn:de:gbv:700-201002115394.

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Substitutional dopants in III-V semi-conductors, such as Si atoms in GaAs, are of great interest for the applications in transistors, Schottky diodes, and doping super-lattices which have been widely employed to control the electrical properties of semi-conductors. Although Si doped GaAs systems have been intensively investigated theoretically and experimentally in the last several decades, some properties are still debated. In order to give a further explanation of Si doped GaAs systems, we systematically studied DX center in bulk GaAs and in GaAs(110), as well as the relative stabilities
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