Dissertations / Theses on the topic 'Non-Standard Interactions'
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Szafron, Robert. "General description of neutrino oscillations with non-standard interactions." Doctoral thesis, Katowice : Uniwersytet Śląski, 2012. http://hdl.handle.net/20.500.12128/5275.
Full textDennis, Stephen. "Muon antineutrino disappearance and non-standard interactions at the T2K experiment." Thesis, University of Warwick, 2015. http://wrap.warwick.ac.uk/77362/.
Full textAmanik, Philip. "Effects of non-standard neutrino flavor changing interactions in core collapse supernovae." Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2006. http://wwwlib.umi.com/cr/ucsd/fullcit?p3216385.
Full textTitle from first page of PDF file (viewed September 5, 2006). Available via ProQuest Digital Dissertations. Vita. Includes bibliographical references (p. 87-89).
Hansen, Fredrik. "Multidimensional Analysis of Non-Standard Neutrino Interactions Using the Proposed ESSnuSB Experiment." Thesis, KTH, Teoretisk fysik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-175861.
Full textFORMOZOV, ANDREY. "SEARCH FOR NON-STANDARD NEUTRINO INTERACTIONS WITH LARGE-VOLUME LIQUID SCINTILLATOR DETECTORS." Doctoral thesis, Università degli Studi di Milano, 2019. http://hdl.handle.net/2434/646205.
Full textHoudy, Thibaut. "Testing non-standard neutrino interactions from 8B solar neutrino rate measurement with Borexino to characterization of the 144Ce source of the SOX experiment." Thesis, Sorbonne Paris Cité, 2017. http://www.theses.fr/2017USPCC209/document.
Full textLocated in the Gran Sasso underground laboratory (LNGS), Borexino measures solar neutrinos for 10 years. Among solar neutrinos, 8B continuous spectrum (up to 17 MeV) enables to test the transition zone between vacuum and matter regime of the MSW effect. This new measurement increases by one order of magnitude the exposure with respect to previous Borexino publication. To do so, the entire active volume is considered in this analysis above 5 MeV. A new background has been identified and a radial fit is done above 3 and 5 MeV enabling to extract the neutrino component. Existence of a light sterile neutrino would have important consequences on astrophysics and cosmology. SOX is the only experiment aiming at testing this hypothesis using a punctual radioactive source. A 3-5.5 PBq 144Ce source is actually under production and will be positioned under Borexino in 2018. Precise knowledge of the source is one of the main challenge of this experiment, based on rate and shape neutrino measurement. Two critical parameters are the heat released by the source for activity measurement and the expected neutrino spectrum in the detector. We first describe the SOX experiment insisting on 144Ce source production. Then, we focus on Saclay installations dedicated to constrain radioactive contamination inside the source using representative samples. Alpha, gamma and mass spectroscopy calibration and simulation are discussed and competitive constrains are derived. A status on 144Ce beta shape measurements is done as well as presentation of future measurement
Girardi, Ivan. "Discrete Symmetry Approach to Lepton Flavour, Neutrino Mixing and Leptonic CP Violation, and Neutrino Related Physics Beyond the Standard Theory." Doctoral thesis, SISSA, 2016. http://hdl.handle.net/20.500.11767/4923.
Full textBlennow, Mattias. "Theoretical and Phenomenological Studies of Neutrino Physics." Doctoral thesis, Stockholm : Department of Theoretical Physics, Royal Institute of Technology, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4415.
Full textChatelain, Amélie. "Neutrino propagation in dense astrophysical environnements : beyond the standard frameworks." Thesis, Sorbonne Paris Cité, 2018. http://www.theses.fr/2018USPCC224.
Full textSince the discovery of neutrino oscillations in vacuum, it has been shown that the presence of a matter background can greatly modify the flavor evolution. The inclusion of neutrino self-interactions in the studies of neutrino flavor conversions in dense astrophysical environments has triggered an intense theoretical activity. This thesis enters into this context by going beyond usual approaches. In our first project, we explore analytically and numerically the so-called helicity coherence, using for the first time a detailed astrophysical simulation of binary neutron star merger remnants. This study shows that helicity coherence cannot lead to conversions and, by doing so, strengthens the validity of the usually-employed mean-field equations in dense media. It also brought a better understanding of the nonlinear feedback mechanism. Having done so, we examine in a second part the role of nonstandard matter-neutrino interactions in the same astrophysical setting. We find that the presence of such interactions creates another MSW-like resonance, called the inner resonance, which can have an interesting interplay with the matter-neutrino resonance, and leads to flavor conversions very close to the central object. We also analyze the mechanism of such a resonance and show that it can be met as a synchronized resonance in the presence of a strong self-interaction potential. Finally, our last study is more formal, as it focuses on the fundamental question of decoherence by wave-packet separation in the presence of strong gravitational fields. We use the density matrix formalism for the neutrino wave packet in the Schwarzschild metric and derive the expression of the coherence length. This work provides with the first study in the description of decoherence in curved space-time
Medina, Jaime Miguel 1983. "Interações não padrão de neutrinos no modelo 331 com setor de Higgs mínimo." [s.n.], 2010. http://repositorio.unicamp.br/jspui/handle/REPOSIP/278592.
Full textDissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Física Gleb Wataghin
Made available in DSpace on 2018-08-16T08:47:51Z (GMT). No. of bitstreams: 1 MedinaJaime_Miguel_M.pdf: 2665434 bytes, checksum: ff126a38e30aec81b803a8fdcddcbc96 (MD5) Previous issue date: 2010
Resumo: Neste trabalho apresentamos um estudo de alguns problemas que ainda não forem esclarecidos na física de neutrinos do modelo padrão (MP) e encaminhamos eles na direção de física nova. Para esse fim, estuda-se uma classe de extensões de Gauge quirais do MP com simetria SU(3)C x SU(3)L x U(1)X (modelos 331), onde estudamos a interação eletrofraca dos neutrinos com a matéria via correntes carregadas e neutras (CC e CN) através dos bósons Gauge do modelo para processos de espalhamento elástico coerente. Finalmente, encontramos vínculos entre as contribuições não padrão no modelo 331 com as interações não padrão (INP) em experimentos de seção de choque, onde encontramos que o modelo 331 apresenta INP diagonais universais da ordem e a M2 W,Z / M2 X <~ O(10-3). Mostramos que o valor esperado no vácuo (VEV) para o tão procurado bóson de Higgs neste modelo tem que ser ?2 <~174.105GeV e os VEV V > 1.3TeV e 142 GeV < ?1 < 201GeV. Os novos bósons do modelo deverão ter massas maiores a 610 GeV
Abstract: We present a study of some problems that are not yet clarified in Standard Model (SM) neutrino physics and guide them in the direction of new physics. To this aim, we study a class of extensions of the SM Gauge chiral symmetry SU(3)CSU(3)LU(1)X (331 model), where we study the electroweak interaction of neutrinos with matter via charged and neutral current (CC and NC) by the gauge bosons of the model for coherent elastic scattering process. We finally found connections between the non-standard contributions on 331 with non-standard interactions (NSI) in cross section experiments, where we find that the model 331 has diagonal universal NSI of order e a M2 W,Z / M2 X <~ O(10-3) . We show that the expected value in vacuum (VEV) for the quite searched Higgs boson in this model has to be ?2 <~174.105 GeV and the VEV V > 1.3TeV and 142 GeV < ?1 < 201 GeV. The new bosons of the model must have masses greater than 610 GeV
Mestrado
Física das Particulas Elementares e Campos
Mestre em Física
Clémentine, Vulliet. "Study Of Non-Standard Interaction Effects On The Solar Neutrino Day-Night Asymmetry." Thesis, KTH, Teoretisk fysik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-161648.
Full textAbdallah, Nada. "Raisonnements standard et non-standard pour les systèmes décentralisés de gestion de données et de connaissances." Phd thesis, Université Paris Sud - Paris XI, 2010. http://tel.archives-ouvertes.fr/tel-00536926.
Full textHuot, Stéphane. "Une nouvelle approche pour la conception créative : de l'interprétation du dessin à main levée au prototypage d'interactions non-standard." Phd thesis, Université de Nantes, 2005. http://tel.archives-ouvertes.fr/tel-00010210.
Full textToutefois, la faisabilité technique d'une telle approche a rapidement été compromise de par la rigidité et le manque d'extensibilité des outils actuels pour le développement d'interfaces. C'est pourquoi nous proposons aussi dans cette thèse un nouveau modèle d'architecture logicielle plus flexible et dynamique, qui, une fois réalisé dans la boîte à outils MAGGLITE, nous a permis de faciliter et d'encourager le prototypage et la réalisation d'interactions avancées.
Bilmis, Selcuk. "Study On Non Standard Interaction Of Neutrino And Unparticle Physics With Neutrino-electron Scattering Data At Low Energy In Texono Experiment." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12612495/index.pdf.
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e&minus
data taken at the Kuo-Sheng Reactor Neutrino Laboratory were used to probe two sceneria: Non-Standard Neutrino Interactions (NSI) and Unparticle Physics. New constraints were placed to the NSI parameters (&epsilon
eL , &epsilon
eR ), (&epsilon
eL , &epsilon
eR ) and (&epsilon
eL , &epsilon
eR ) , as well as to the coupling constants for scalar (&lambda
0 ) and vector (&lambda
1 ) unparticles to the neutrinos and electrons.
Mollet, Simon. "Exploration of 6-dimensional models with non trivial topology and their predictions for fermions masses and mixings, neutrino physics, flavour changing interactions and CP violation." Doctoral thesis, Universite Libre de Bruxelles, 2016. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/230863.
Full textDoctorat en Sciences
info:eu-repo/semantics/nonPublished
Chetouani, Lyazid. "Etude d'une interaction N-N matricielle, non locale séparable, et application à la photodésintégration du deutéron : développement d'un potentiel local en séries de potentiels non-locaux, séparablesEtude de deux alternatives à la mécanique quantique standard : les formalismes des intégrales fonctionnelles et de l’espace des phases de Weyl." Mulhouse, 1986. http://www.theses.fr/1986MULH0010.
Full textChetouani, Lyazid. "Etude d'une interaction N-N matricielle, non locale, séparable et application à la photodésintégration du deutéron développement d'un potentiel local en séries de potentiels non-locaux, séparables, étude de deux alternatives à la Mécanique Quantique Standard, les formalismes des intégrales fonctionnelles et de l'espace des phases de Weyl." Grenoble 3 : ANRT, 1986. http://catalogue.bnf.fr/ark:/12148/cb375966872.
Full textBréant, Christian. "Développement de lasers infrarouges accordables de haute pureté spectrale : application à la spectroscopie hyperfine des molécules HF et SF(6)." Paris 13, 1985. http://www.theses.fr/1985PA132010.
Full textBayes, Ryan David. "Measurement of the decay parameter rho and a search for non-Standard Model decays in the muon decay spectrum." Thesis, 2010. http://hdl.handle.net/1828/2973.
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