Mémoire (M.E.S.R.)-- Université du Québec à Chicoutimi, 1993. / Résumé disponible sur Internet. CaQCU Document électronique également accessible en format PDF. CaQCU

Thesis (Ph. D.)--University of Tennessee, Knoxville, 2009. / Title from title page screen (viewed on Nov. 2, 2009). Thesis advisor: Robert B. Cunningham. Vita. Includes bibliographical references.

Thesis (D. Miss.)--Concordia Theological Seminary, Ft. Wayne, 1997. / Abstract and vita. Includes bibliographical references (leaves 333-346) and indexes.

Thesis (D. Miss.)--Concordia Theological Seminary, Ft. Wayne, 1997. / Abstract and vita. Includes bibliographical references (leaves 333-346) and indexes.

A search for quantum black holes with color charge decaying to one electron and one quark has been performed using data collected by the ATLAS Experiment at the Large Hadron Collider corresponding to 2.29 fb−1. No excess over the expected Standard Model interactions has been observed. Limits are set on the production cross section for events with one electron and one jet resulting from new physical phenomena. Models with a combined invariant mass of the electron and jet larger than or equal to 2.5TeV and a cross section above 2.6 fb are excluded at the 95% confidence level. This allows the exclusion of a significant part of the parameter space of quantum black hole models.

Submitted by ANDRES FELIPE VASQUEZ TOCORA (anfvasquezto@unal.edu.co) on 2018-10-02T21:56:33Z No. of bitstreams: 1 thesis.pdf: 3832471 bytes, checksum: 13b65d2c4a9d5e2b2c7414dd2cdfba50 (MD5) / Rejected by Hellen Sayuri Sato null (hellen@ift.unesp.br), reason: Solicitamos que realize correções na submissão seguindo as orientações abaixo - Favor inserir a ficha catalográfica no pdf , logo após a página de rosto - No PDF está faltando as palavras-chave logo após o resumo e abstract on 2018-10-03T14:34:04Z (GMT) / Submitted by ANDRES FELIPE VASQUEZ TOCORA (anfvasquezto@unal.edu.co) on 2018-10-03T16:52:45Z No. of bitstreams: 1 Thesis.pdf: 4205198 bytes, checksum: 499748f6d69605fda811e56805ac4e12 (MD5) / Approved for entry into archive by Hellen Sayuri Sato null (hellen@ift.unesp.br) on 2018-10-03T17:32:51Z (GMT) No. of bitstreams: 1 vasqueztocora_af_me_ift.pdf: 4205198 bytes, checksum: 499748f6d69605fda811e56805ac4e12 (MD5) / Made available in DSpace on 2018-10-03T17:32:51Z (GMT). No. of bitstreams: 1 vasqueztocora_af_me_ift.pdf: 4205198 bytes, checksum: 499748f6d69605fda811e56805ac4e12 (MD5) Previous issue date: 2018-03-29 / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) / The main goal of this dissertation is to show the enhancement of the cross-section for the double Higgs production through pair annihilation by including effective interactions and through the non-perturbative Sommerfeld effect. Bounds to some Wilson coefficients were obtained from such enhancement, this in the scenarios of the future e+ e− -colliders (FCC-ee, ILC, CLIC). In order to achieve this, some computational tools were implemented: FeynRules, FeynArts, FormCalc, and LoopTools. It is also shown the enhancement of the double Higgs production in 2HDM and MSSM, discussing the general framework of these two models. In addition, it is studied the threshold behavior of the cross-section for the double Higgs production when a hidden sector couples to the Higgs boson, yielding resonances below the threshold energy due to non-perturbative effects. We study the Sommerfeld effect in the double Higgs production in the scenario of e+ e− -colliders. The enhancement is discussed as generated from a hidden sector coupled to the Higgs boson. Below and above threshold enhancements are presented. Such analysis is of importance in the ILC project, which will operate up to the threshold energy √s = 250 GeV. The results has been achieved by the use of computational tools like FeynArts, FormCalc, and LoopTools. / O objetivo principal dessa dissertação é, mostrar o aprimoramento da seção de choque para a produção em dobro dos bósons de Higgs, por meio de aniquilação de pares, incluindo interações efetivas e através do efeito não perturbativo de Sommerfeld. De tais aprimoramentos, os limites para alguns coeficientes de Wilson foram obtidos, isso nos cenários de futuros aceleradores de e+e- (FCC-ee, ILC, CLIC). Para atingir estes resultados, algumas ferramentas computacionais foram implementadas: FeynRules, FeynArts, FormCalc e LoopTools. Também, é mostrado o aprimoramento da produção em dobro de bósons de Higgs no “2HDM” e “MSSM”, discutindo o marco geral desses dois modelos. Além disso, foi estudado o comportamento, perto do limite de produção, da seção de choque da produção em dobro dos bósons de Higgs, quando um setor escondido é acoplado ao Higgs, produzindo ressonâncias abaixo da energia limite de produção, devido à efeitos não perturbativos.

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Submitted by Onia Arantes Albuquerque (onia.ufg@gmail.com) on 2018-11-01T15:07:12Z No. of bitstreams: 2 Dissertação - Francisco José Porfírio Neto - 2018.pdf: 1221286 bytes, checksum: e5893cb7aa7de9bc21c5ead17f69fb2d (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) / Approved for entry into archive by Luciana Ferreira (lucgeral@gmail.com) on 2018-11-01T15:45:39Z (GMT) No. of bitstreams: 2 Dissertação - Francisco José Porfírio Neto - 2018.pdf: 1221286 bytes, checksum: e5893cb7aa7de9bc21c5ead17f69fb2d (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) / Made available in DSpace on 2018-11-01T15:45:39Z (GMT). No. of bitstreams: 2 Dissertação - Francisco José Porfírio Neto - 2018.pdf: 1221286 bytes, checksum: e5893cb7aa7de9bc21c5ead17f69fb2d (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Previous issue date: 2018-09-14 / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES / The purpose of this text is to analyze the notions of revaluation of moral values and superman in the work of maturity of Friedrich Nietzsche, with a hypothesis that there is a relation between these two concepts, We deal with themes that form part of the scene that composes Nietzsche's work, especially the notions of value, nihilism and the inversion of moral values. We have done a survey of the occurrences of the keywords of this work to expose, from each book, how Nietzsche understands the superman and how he understands the notion of revaluation of values at different moments of his writing. With this, we pointed out in the section of Thus Spoke Zarathustra, titled On Old and New Tables of Value, the connection between the concepts of superman and the revaluation of values. / O objetivo deste trabalho é tecer uma análise sobre as noções de transvaloração dos valores morais e além-do-homem na obra de maturidade de Friedrich Nietzsche, partido da hipótese de que há uma relação entre estes dois conceitos. Abordamos temas que fazem parte, de maneira geral, do cenário que compõe a obra de Nietzsche, em especial as noções de valor, de niilismo e de inversão dos valores morais. Fizemos um levantamento das ocorrências das palavras-chave deste trabalho para expor, a partir de cada obra, o modo como Nietzsche entende o além-do-homem e o modo como ele entende a noção de transvaloração dos valores em diferentes momentos de sua escrita. Com isso, apontamos na seção de Assim Falou Zaratustra intitulada De velhas e novas tábuas de valor, a conexão entre os conceitos de além-do-homem e transvaloração dos valores.

Neste trabalho realizamos uma abordagem fenomenológica da observação de novos bósons de spin-1 associados ao setor de Quebra de Simetria Eletrofraca. Como motivação a essa análise estudamos primeiramente o caso especial de modelos baseados no mecanismo de Quebra espontânea de Simetria por Condições de Contorno, os quais também apresentam uma torre de bósons vetoriais de Kaluza-Klein assegurando a unitariedade no espalhamento entre bósons gauge. Na análise fenomenológica efetuamos uma abordagem independente de modelo analisando o potencial do Large Hadron Collider (LHC) na detecção de novos bósons vetoriais associados ao setor de quebra de simetria. / In this work we performed a phenomenological observation of new spin-1 bosons associated with the Electroweak Symmetry Breaking sector. As motivation for this analysis we previously studied the special case of models based on the mechanism of Eletroweak Symmetry Breaking via Boundary Conditions, which also have a tower vector of Kaluza-Klein bosons ensuring unitarity in scattering between gauge bosons. In the phenomenological analysis we performed a model independent approach to analyzing the potential of the Large Hadron Collider (LHC) in the detection of new vector bosons associated with the symmetry breaking sector.

Since the discovery of the Higgs boson in 2012, the search for new physics beyond the Standard Model has been greatly intensified. At the CERN Large Hadron Collider (LHC), ATLAS searches for new physics entail looking for new particles by colliding protons together. Presented here is a search for a new form of quark matter called Vector-like Quarks (VLQ), which are hypothetical particles that are expected to have mass around a few TeV. VLQ can come in a variety of forms and can couple to their Standard Model (SM) quark counterparts, particularly to the third generation. They are necessary in several beyond the SM theories in order to solve the hierarchy problem. This search uses 36.1 fb−1of proton-proton collision data collected with the ATLAS detector at the LHC from August 2015 to October 2016. Only events with two leptons of the same charge, or three leptons, plus b-jets and high missing transverse energy are considered in the main analysis. This signature is rarely produced in the SM, which means the backgrounds in this analysis are relatively low. This analysis is sensitive to specific predicted decay modes from pair production of an up-type VLQ with a charge of +2/3, T, an up-type VLQ with a charge of +5/3, T5/3, and a down-type quark with a charge of −1/3, B, as well as single production of T5/3. There is another theorized VLQ that this analysis is not sensitive to: B−4/3, due to its primary decay mode, which is unable to produce the final-state signature of interest. The results from this analysis suggest only a slight deviation of data from SM backgrounds reaching as high as 1.89σ, which does not indicate evidence for VLQ. A mostly frequentist statistical technique, called the CLS Method, is used to interpret the data and set limits on the T, B, and T5/3 signal models. Using this method, exclusion limits are set at the 95% confidence level, effectively excluding T mass below 0.98 TeV, T5/3 mass below 1.2 TeV, and B mass below 1.0 TeV, assuming singlet branching ratios. Also, branching ratio independent limits are set on the T and B VLQ.