Дисертації з теми "Precision Calculation"
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Xu, Qingjun. "Precision calculation for supersymmetric particle decays." [S.l.] : [s.n.], 2006. http://deposit.ddb.de/cgi-bin/dokserv?idn=98041332X.
Повний текст джерелаIskrenova-Tchoukova, Eugeniya. "All-order approach to high-precision atomic calculation." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 144 p, 2008. http://proquest.umi.com/pqdweb?did=1601519371&sid=2&Fmt=2&clientId=8331&RQT=309&VName=PQD.
Повний текст джерелаThrowe, William (William Thomas). "High precision calculation of generic extreme mass ratio inspirals." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/61270.
Повний текст джерелаCataloged from PDF version of thesis.
Includes bibliographical references (p. 63-64).
Orbits around black holes evolve due to gravitational-wave emission, losing energy and angular momentum, and driving the orbiting body to slowly spiral into the black hole. Recent theoretical advances now make it possible to model the impact of this wave emission on generic (eccentric and inclined) black hole orbits, allowing us to push beyond the handful of constrained (circular or equatorial) cases that previous work considered. This thesis presents the first systematic study of how generic black hole orbits evolve due to gravitational-wave emission. In addition to extending the class of orbits which can be analyzed, we also introduce a new formalism for solving for the wave equation which describes radiative backreaction. This approach is based on a spectral decomposition of the radiation field originally introduced by Mano, Suzuki, and Takasugi (MST), and was then adapted for numerical analysis by Fujita and Tagoshi (FT). We find that the MST-FT formalism allows us to compute various quantities significantly more accurately than previous work, even in strong field regimes. We use this code to explore the location in orbital parameter space of the surface at which the evolution of orbital eccentricity changes sign from negative (orbits circularize) to positive (orbits become more eccentric).
by William Throwe.
S.B.
Yuen, Ming Fatt. "Dilution of Precision (DOP) calculation for mission planning purposes." Thesis, Monterey, Calif. : Naval Postgraduate School, 2009. http://edocs.nps.edu/npspubs/scholarly/theses/2009/March/09Mar%5FYuen.pdf.
Повний текст джерелаThesis Advisor(s): Driels, Morris R. ; Harkins, Richard M. "March 2009." Description based on title screen as viewed on April 24, 2009. Author(s) subject terms: GPS, DOP, JMEM, Delivery Accuracy. Includes bibliographical references (p. 200-201). Also available in print.
Kurth, Thorsten [Verfasser]. "Precision Physics from the Lattice Calculation of the Hadron Spectrum, Quark Masses and Kaon Bag Parameter / Thorsten Kurth." Wuppertal : Universitätsbibliothek Wuppertal, 2011. http://d-nb.info/1018298673/34.
Повний текст джерелаBraathen, Johannes. "Automating Higgs precision calculations." Thesis, Sorbonne université, 2018. http://www.theses.fr/2018SORUS073/document.
Повний текст джерелаThe Standard Model-like Higgs boson provides an excellent setting for the indirect search of New Physics, through the study of its properties. In particular its mass is now measured with an astonishing precision, of the order of 0.1%, while being predicted in some models of Beyond the Standard Model (BSM) Physics, such as supersymmetric (SUSY) models. The main purpose of this thesis is to push further the calculation of radiative corrections to Higgs boson masses in BSM models, as well as the automation of these calculations, in order to set or improve constraints on New Physics coupling to the Higgs boson. A first chapter is devoted to the computation of the leading two-loop O (alpha_s alpha_t) corrections to neutral scalar masses in SUSY models with Dirac gauginos. Then, we show to address the Goldstone Boson Catastrophe -- a case of infra-red divergences due to massless Goldstone bosons that plague the calculation of effective potentials, tadpole equations, and self-energies -- in the context of general renormalisable field theories, by adopting an on-shell renormalisation scheme for the Goldstone masses. Afterwards, we illustrate the numerical implementation of our solution to the Goldstone Boson Catastrophe in the public tool SARAH. Finally, in a last chapter, we consider the high-scale behaviour of non-supersymmetric models with extended Higgs sectors
Coissard, Vincent. "Étude d'un cœur de processeur pour l'arithmétique exacte." Grenoble INPG, 1998. http://www.theses.fr/1998INPG0089.
Повний текст джерелаProudom, Josselin. "Supersymmetric phenomenology : polarized collisions and precision calculations." Thesis, Université Grenoble Alpes (ComUE), 2015. http://www.theses.fr/2015GREAY079/document.
Повний текст джерелаSupersymmetric theories, such as the Minimal Supersymmetric Standard Model (MSSM), constitute very popular extensions of the Standard Model of particle physics that are extensively searched for at the Large Hadron Collider (LHC). In this thesis, we focus on two specific aspects of the phenomenology of supersymmetric theories at high-energy hadron colliders, namely polarized collisions and precision calculations. First, we perform a Leading Order (LO) study, in which we show how the availability of (longitudinally) polarized proton beams could us help us to disentangle various Beyond the Standard Model (BSM) scenarios exhibiting the same final-state signature. For the sake of illustration, we focus on the case of one particular class of scenarios leading to monotop production, which corresponds to the production of a top quark in association with missing transverse energy. We present our results for a polarized LHC at 14 TeV, and for the recently proposed Future Circular Collider (FCC), supposed to operate at 100 TeV. Then, we concentrate on precise predictions for the pair production of coloured supersymmetric particles at next-to-leading order (NLO) in supersymmetric QCD, with or without Non-Minimal Flavour Violations (NMFV), and with or without matching those predictions with Parton Showers (PS). More specifically, we provide the first preliminary results for squark-antisquark pair production at NLO in SUSY-QCD with NMFV, in the case of a fixed order calculation, and consider in the context of simplified models the pair production of coloured scalar and coloured Majorana particles at NLO matched with PS
Feige, Ilya Eric Alexander. "Factorization and Precision Calculations in Particle Physics." Thesis, Harvard University, 2015. http://nrs.harvard.edu/urn-3:HUL.InstRepos:17467340.
Повний текст джерелаPhysics
Deutschmann, Nicolas. "Precision calculations in effective theories for Higgs production." Thesis, Lyon, 2017. http://www.theses.fr/2017LYSE1142/document.
Повний текст джерелаAfter a general introduction, this manuscript presents two preliminary chapters, describing first the physics context and the mathematical techniques used in this thesis.We then present the work performed in this thesis. We start with extraction of the power-suppressed of the Yukawa coupling of the bottom quark in the Higgs Effective Field Theory (HEFT) by a two-loop matching calculation between the Standard Model and the HEFT. This correction was the missing piece to improve the prediction of the production cross section of a Higgs boson in association to a pair of bottom quarks.The two next chapters present different aspects of the NLO corrections to Higgs boson production through gluon fusion in the standard model effective field theory. We first present the evaluation of the virtual corrections to this process and use the known one-loop ultraviolet and infrared divergence structure to extract a two-loop counterterm that allowed us to renormalize the amplitude, which we then analytically continued to the physical regions.We then combine this result with the automatic calculation of the real emission corrections in the program Madgraph5_aMC@NLO. The results are presented for the total cross section and differential distributions and comment on the effect of radiative corrections on these predictions
Zhou, Jia. "Precision Calculations for Electroweak Physics at Hadron Colliders." Thesis, State University of New York at Buffalo, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10163882.
Повний текст джерелаElectroweak (EW) corrections can be enhanced at high energies due to the soft or collinear radiation of virtual and real W and Z bosons that result in Sudakov-like corrections of the form α Wllogn(Q2/MV 2), where αW = α/(4πsin2&thetas; W) and n ≤ 2l – 1. Here MV denotes the W or Z boson mass, &thetas; w the weak mixing angle and Q2 a typical energy scale of the hard process under consideration. The inclusion of EW corrections in predictions for the CERN Large Hadron Collider (LHC) is therefore especially important when searching for signals of possible new physics in distributions probing the kinematic regime Q2 » MV 2. Next-to-leading order (NLO) EW corrections should also be taken into account when their size (O(α)) is comparable to that of QCD corrections at next-to-next-to-leading order (NNLO) (O(αs2)). To this end we have calculated and implemented in the parton-level Monte-Carlo program MCFM the NLO weak corrections to three key processes at the LHC: the Neutral-Current Drell-Yan process, top-quark pair production and di-jet production. This enables a study of their effects on LHC observables combined with the already available QCD corrections at NLO and NNLO. We provide both the full NLO weak corrections and their Sudakov approximation, since the latter is often used for a fast evaluation of weak effects at high energies and can be extended to higher orders. With both the exact and approximate results at hand, the validity of the Sudakov approximation can be readily quantified. In the case of top-quark pair production at the LHC we also calculated the NLO QED corrections.
Раус, Сергій Сергійович. "Дослідження механізму затиску верстата для обробки кілець кулькових підшипників". Master's thesis, КПІ ім. Ігоря Сікорського, 2019. https://ela.kpi.ua/handle/123456789/30977.
Повний текст джерелаMaster's thesis on the topic: "Study of the clamping mechanism of the machine for processing ball bearings” The thesis consists of an introduction, 3 sections, conclusions, references. The text of the note consists of 77 pages, which includes 52 figures and 14 tables. A self-centering expansion Chuck has been developed for processing bearing rings based on the inner spherical surface on a duplex CNC machine. Designed capture for changing the workpiece between the spindles, which increases the processing performance in large-scale production. Stress analysis was carried out in the most critical parts of the clamping Chuck.
Магистерская диссертация на тему: ”Исследование механизма зажима станка для обработки шариковых подшипников” Диссертация состоит из вступления, 3 разделов, выводов, списка литературы. Текст записки состоит из 77 страниц, которая включает в себя 52 рисунков и 14 таблиц. Разработан самоцентрирующий разжимной патрон для обработки колец подшипника с базированием по внутренней сферической поверхности на двухшпиндельном станке с ЧПУ. Разработан захват для смены заготовки между шпинделями, который повышает производительность обработки при крупносерийном производстве. Был осуществлен анализ напряжений в наиболее ответственных деталях зажимного патрона.
Slavich, P. "Precision calculations in supersymmetric extensions of the Standard Model." Habilitation à diriger des recherches, Université Pierre et Marie Curie - Paris VI, 2013. http://tel.archives-ouvertes.fr/tel-00824019.
Повний текст джерелаReuschle, Christian Andreas [Verfasser]. "Numerical precision calculations for LHC physics / Christian Andreas Reuschle." Mainz : Universitätsbibliothek Mainz, 2013. http://d-nb.info/1032971843/34.
Повний текст джерелаNickel, Kilian [Verfasser]. "Precision Calculations in Supersymmetric Models using Phenomenological Tools / Kilian Nickel." Bonn : Universitäts- und Landesbibliothek Bonn, 2016. http://d-nb.info/1124540156/34.
Повний текст джерелаWlotzka, Alexander [Verfasser], and M. [Akademischer Betreuer] Mühlleitner. "Precision Calculations in New Physics Models / Alexander Wlotzka ; Betreuer: M. Mühlleitner." Karlsruhe : KIT-Bibliothek, 2017. http://d-nb.info/1133171842/34.
Повний текст джерелаKarlberg, Alexander. "At the frontier of precision QCD in the LHC era." Thesis, University of Oxford, 2016. https://ora.ox.ac.uk/objects/uuid:73cc8cf7-da8b-4845-b015-be0313ae0493.
Повний текст джерелаFickinger, Michael. "Applications of Effective Field Theories for Precision Calculations at e⁺e⁻ Colliders." Diss., The University of Arizona, 2012. http://hdl.handle.net/10150/241973.
Повний текст джерелаHoferichter, Martin [Verfasser]. "Precision calculations for the low-energy dynamics of pions and nucleons / Martin Hoferichter." Bonn : Universitäts- und Landesbibliothek Bonn, 2012. http://d-nb.info/1044081163/34.
Повний текст джерелаPellen, Mathieu [Verfasser], Michael [Akademischer Betreuer] Krämer, and Margarete [Akademischer Betreuer] Muhlleitner. "Precision calculations for physics beyond the standard model / Mathieu Pellen ; Michael Krämer, Margarete Muhlleitner." Aachen : Universitätsbibliothek der RWTH Aachen, 2015. http://d-nb.info/1129261646/34.
Повний текст джерелаKesenheimer, Matthias [Verfasser], and Barbara [Akademischer Betreuer] Jäger. "Precision Calculations for Weakino-Pair Production at Hadron Colliders / Matthias Kesenheimer ; Betreuer: Barbara Jäger." Tübingen : Universitätsbibliothek Tübingen, 2018. http://d-nb.info/1168729467/34.
Повний текст джерелаKallweit, Stefan. "Precision calculations for Gauge-Boson pair production with a hadronic jet at Hadron colliders." Diss., kostenfrei, 2008. http://edoc.ub.uni-muenchen.de/9362/.
Повний текст джерелаLim, Matthew Alexander. "Quantum chromodynamics and the precision phenomenology of heavy quarks." Thesis, University of Cambridge, 2019. https://www.repository.cam.ac.uk/handle/1810/285109.
Повний текст джерелаVolotka, Andrey V. "High-precision QED calculations of the hyperfine structure in hydrogen and transition rates in multicharged ions." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2006. http://nbn-resolving.de/urn:nbn:de:swb:14-1164063385430-72550.
Повний текст джерелаBredenstein, Axel. "Precision calculations for gamma gamma -> 4 fermions and H -> WW/ZZ -> 4 fermions." Diss., lmu, 2006. http://nbn-resolving.de/urn:nbn:de:bvb:19-52794.
Повний текст джерелаNeumann, Tobias [Verfasser]. "Perturbative calculations for Standard Model precision physics: Higgs production and Yang-Mills gradient flow / Tobias Neumann." Wuppertal : Universitätsbibliothek Wuppertal, 2015. http://d-nb.info/1078321795/34.
Повний текст джерелаCapozi, Matteo [Verfasser], and Gerhard [Akademischer Betreuer] Buchalla. "Precision calculations in the Higgs sector within and beyond the Standard Model / Matteo Capozi ; Betreuer: Gerhard Buchalla." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2020. http://d-nb.info/1222436612/34.
Повний текст джерелаPardo, Vega Javier. "Higgs mass and QCD axion properties at high precision." Doctoral thesis, SISSA, 2016. http://hdl.handle.net/20.500.11767/4902.
Повний текст джерелаKlappert, Jonas [Verfasser], Robert V. [Akademischer Betreuer] Harlander, and Michael [Akademischer Betreuer] Krämer. "Precision calculations for Higgs physics in the standard model and beyond / Jonas Klappert ; Robert V. Harlander, Michael Krämer." Aachen : Universitätsbibliothek der RWTH Aachen, 2020. http://d-nb.info/1217257098/34.
Повний текст джерелаBilal, Moazzam [Verfasser], Stephan [Gutachter] Fritzsche, Andrey [Gutachter] Surzhykov, and Zoltán [Gutachter] Harman. "High precision many-electron calculations for multiply-charged ions / Moazzam Bilal ; Gutachter: Stephan Fritzsche, Andrey Surzhykov, Zoltán Harman." Jena : Friedrich-Schiller-Universität Jena, 2019. http://d-nb.info/1207155969/34.
Повний текст джерелаKlappert, Jonas Verfasser], Robert V. [Akademischer Betreuer] [Harlander, and Michael [Akademischer Betreuer] Krämer. "Precision calculations for Higgs physics in the standard model and beyond / Jonas Klappert ; Robert V. Harlander, Michael Krämer." Aachen : Universitätsbibliothek der RWTH Aachen, 2020. http://d-nb.info/1217257098/34.
Повний текст джерелаHerren, Florian [Verfasser], and M. [Akademischer Betreuer] Steinhauser. "Precision Calculations for Higgs Boson Physics at the LHC - Four-Loop Corrections to Gluon-Fusion Processes and Higgs Boson Pair-Production at NNLO / Florian Herren ; Betreuer: M. Steinhauser." Karlsruhe : KIT-Bibliothek, 2020. http://d-nb.info/1221186914/34.
Повний текст джерелаJamal, Fernando Galvanin. "Avaliação da precisão da declividade da técnica de perfuração direcional horizontal para instalações de redes de esgoto." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/18/18132/tde-10102008-091541/.
Повний текст джерелаThe present work is focused on the horizontal directional drilling (HDD) method to install gravity sewers. The results of different techniques are described intending to meet the demands of gradient. Therefore, 4 experimental pilot bores were drilled simulating a section of those structures extending 30 m with HDPE pipelines of 125 mm external diameter. Those installations were engineered in the city of São Carlos, Brazil, in a clayey sand. For each of the 4 installations a distinct constructive process was adopted. Such characteristic was on account of the diameter of the selected reamer, the number of reamer steps and the vertical drills performed to relieve the pressure in the annular space, as well as the direct depth measurements of the pilot hole. After installing the pipes, altimetric measurements were performed inside them, hence enabling to quantitatively assess the obtained results. These results indicate the need to further refine the directional drilling technique for sanitary sewers. Yet it can be seen that the employed variations for each of the holes lead to an improved course of action with the observed results. Such improvement is perceived in the holes where the selected reamer had a smaller diameter, hence allowing for less displacement in the pipes final position. Also emphasized are the resulting benefits of the vertical drills that lead to less pressure in the annular space, as well as enabling altimetric measurements of the pilot hole position. Thus, it is presumed that with further experiments and technological developments the final objective is reached, meaning, putting into effect constant and low level gradient sewer networks. Tests for precision and accuracy assessment of the tracking system were also performed in each tube installed. The tracking system is responsible for providing information related to position and temperature of the drill head during the drilling operation. The steps for the development of a new HDD solution for sewer installation are presented. The idea is based on the application of a tensile force to an element external to the product, aiming at attaining a constant gradient. Equipments and procedures developed for this new technique are described.
Bizouard, Vincent. "Calculs de précision dans un modèle supersymétrique non minimal." Thesis, Université Grenoble Alpes (ComUE), 2015. http://www.theses.fr/2015GREAY075/document.
Повний текст джерелаAlthough the Standard Model has been very successful so far, it presents several limitations showing that it is only an effective low energy theory. For example, the neutrino masses or dark matter are not predicted in this model. Gravity is also not taken into account and we expect that it plays a quantum role at energies around the Planck mass. Moreover, radiative corrections to the Higgs boson mass suffer from quadratic divergences. All these problems underline the fact that new physics should appear, and this has to be described by an extension of the Standard Model. One well-motivated possibility is to add a new space-time symetry, called Supersymmetry, which link bosons and fermions. In its minimal extension, Supersymmetry can already solve the dark matter paradox with a natural candidate, the neutralino, and provide a cancellation of the dangerous quadratic corrections to the Higgs boson mass.In this thesis, we focussed on the Next-to-Minimal SuperSymmetric extension of the Standard Model, the NMSSM. To compare theoretical predictions with experiments, physical observables must be computed precisely. Since these calculations are long and complex, automatisation is desirable. This was done by developping SloopS, a program to compute one-loop decay width and cross-section at one-loop order in Supersymmetry. With this code, we first analysed the decay of the Higgs boson in a photon and a Z boson. This decay mode is induced at the quantum level and thus is an interesting probe of new physics. Its measurement has been started during Run 1 of the LHC and is continued now in Run 2. The possibility of deviation between the measured signal strength and the one predicted by the Standard Model motivates a careful theoretical analysis in beyond Standard Models which we realised within the NMSSM. Our goal was to compute radiative corrections for any process in this model. To cancel the ultraviolet divergences appearing in higher order computations, we had to carry out and implement the renormalisation of the NMSSM in SloopS. Finally, it was possible to use the renormalised model to compute radiatives corrections to masses and decay widths of Higgs bosons and supersymmetric particles in the NMSSM and to compare the results between different renormalisation schemes
ABDALLAH, HAISCAM. "Construction d'un logiciel de calcul des elements transitoires de chaines de markov a temps continu." Rennes 1, 1989. http://www.theses.fr/1989REN10055.
Повний текст джерелаXu, Qingjun [Verfasser]. "Precision calculation for supersymmetric particle decays / Qingjun Xu." 2006. http://d-nb.info/98041332X/34.
Повний текст джерелаFidanyan, K. S., and V. V. Stegailov. "Calculation of the vacancy diffusion rate: beyond the NEB precision." 2017. https://ul.qucosa.de/id/qucosa%3A31660.
Повний текст джерелаYin, Hantao. "Precision Lattice Calculation of Kaon Decays with Möbius Domain Wall Fermions." Thesis, 2013. https://doi.org/10.7916/D8RR25F3.
Повний текст джерелаBanik, Sumit. "On Hypergeometric solutions of Feynman integrals using Mellin-Barnes Integrals with Applications." Thesis, 2022. https://etd.iisc.ac.in/handle/2005/5948.
Повний текст джерелаMinistry of Human Resource Development (MHRD), Government of India
Zhang, Jianhui [Verfasser]. "Precision calculations for the decay of Higgs bosons in the MSSM / Jianhui Zhang." 2009. http://d-nb.info/993391265/34.
Повний текст джерелаTurczyk, Sascha S. [Verfasser]. "Testing the standard model with precision calculations of semileptonic B-decays / vorgelegt von Sascha S. Turczyk." 2010. http://d-nb.info/1013087356/34.
Повний текст джерелаBredenstein, Axel [Verfasser]. "Precision calculations for γγ [gamma-gamma] → 4-fermions and H → WW/ZZ → 4-fermions / vorgelegt von Axel Bredenstein". 2006. http://d-nb.info/979932475/34.
Повний текст джерелаKallweit, S. [Verfasser]. "Precision calculations for gauge-boson pair production with a hadronic jet at hadron colliders / vorgelegt von Stefan Kallweit." 2008. http://d-nb.info/991829859/34.
Повний текст джерелаVolotka, Andrey V. [Verfasser]. "High-precision QED calculations of the hyperfine structure in hydrogen and transition rates in multicharged ions / vorgelegt von Andrey V. Volotka." 2006. http://d-nb.info/982398115/34.
Повний текст джерелаPont, Federico Manuel. "Sistemas de pocos cuerpos en un entorno del umbral del continuo :." Doctoral thesis, 2010. http://hdl.handle.net/11086/139.
Повний текст джерелаEn esta tesis se presenta un estudio de varios sistemas cuánticos cuyo común denominador es que poseen uno o más estados ligados cerca del umbral de energía del continuo. En este aspecto se analizaron los diagramas de estabilidad de varios sistemas de dos y tres partículas ligadas por diferentes potenciales centrales, tanto externos como de interacción entre partículas, determinando las zonas en que los sistemas son capaces de ligar tres, dos, una, o ninguna partícula. Se demuestra mediante cálculos variacionales de alta precisión que algunos sistemas de partículas cargadas inmersas en plasmas, en la aproximación de Debye-Hueckel, presentan Efecto Efimov y enlace Borromeano ( capaces de ligar tres partículas pero no dos). Se analizaron también sistemas con estados ligados cuya energía cruza el umbral del continuo al variar los parámetros del Hamiltoniano.
Federico Manuel Pont.