Oscilaciones de neutrinos en extensiones del modelo con triplete de Higgs
dc.contributor.advisor | Ochoa Perez, Fredy Alexander | spa |
dc.contributor.author | Ospina, Michael Orlando | spa |
dc.contributor.researchgroup | Grupo de Física Teórica de Altas Energías | spa |
dc.date.accessioned | 2022-03-07T20:03:27Z | |
dc.date.available | 2022-03-07T20:03:27Z | |
dc.date.issued | 2021 | |
dc.description | ilustraciones, gráficas, tablas | spa |
dc.description.abstract | Se propone un mecanismo see-saw para las masas de neutrinos activos ligeros y sus ángulos de mezcla en el contexto de una extensión del espectro de partículas del modelo estándar con la adición de un neutrino derecho y un triplete de Higgs. Se generó una matriz de masa de neutrinos que depende de las constantes de acoplamiento de Yukawa del neutrino derecho y el triplete de Higgs. Alineando los acoplamientos del triplete como el producto de acoplamientos del neutrino derecho, se obtienen neutrinos no masivos. Cuando esta condición de alineamiento es ligeramente perturbada se generan masas pequeñas para los neutrinos activos ligeros y los ángulos de mezcla pueden ser predichos. Dando formas específicas al parámetro de perturbación, se generan matrices bimaximales de forma natural permitiendo el cálculo de los ángulos de mezcla y las diferencias de masa cuadrada con unos pocos parámetros libres. (Texto tomado de la fuente). | spa |
dc.description.abstract | A see-saw mechanism for the masses of the light active neutrinos and their mixing angles is proposed in the context of an extension of the particle spectrum of the standard model. By adding one right-handed sterile neutrino and a Higgs triplet a neutrino mass matrix was generated that depends on the sterile neutrino and Higgs triplet Yukawa couplings. By aligning the Yukawa triplet coupling as the product of the Yukawa sterile coupling, exact massless neutrinos were obtained. When this alignment condition is slightly disturbed, small masses for the light active neutrinos can be generated, and mixing angles can be predicted. By giving specific forms to the parameter that generates the disturbance, it is observed that bimaximal mass matrices arise in a natural way, allowing the mixing angles and the squares of the mass differences to be calculated with few free parameters. | eng |
dc.description.degreelevel | Maestría | spa |
dc.description.degreename | Magíster en Ciencias - Física | spa |
dc.description.notes | Incluye anexos | spa |
dc.description.researcharea | Física de particulas | spa |
dc.format.extent | xii, 67 páginas | spa |
dc.format.mimetype | application/pdf | spa |
dc.identifier.instname | Universidad Nacional de Colombia | spa |
dc.identifier.reponame | Repositorio Institucional Universidad Nacional de Colombia | spa |
dc.identifier.repourl | https://repositorio.unal.edu.co/ | spa |
dc.identifier.uri | https://repositorio.unal.edu.co/handle/unal/81144 | |
dc.language.iso | spa | spa |
dc.publisher | Universidad Nacional de Colombia | spa |
dc.publisher.branch | Universidad Nacional de Colombia - Sede Bogotá | spa |
dc.publisher.department | Departamento de Física | spa |
dc.publisher.faculty | Facultad de Ciencias | spa |
dc.publisher.place | Bogotá, Colombia | spa |
dc.publisher.program | Bogotá - Ciencias - Maestría en Ciencias - Física | spa |
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dc.rights.accessrights | info:eu-repo/semantics/openAccess | spa |
dc.rights.license | Atribución-NoComercial-SinDerivadas 4.0 Internacional | spa |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/4.0/ | spa |
dc.subject.ddc | 530 - Física | spa |
dc.subject.lemb | Leptons (nuclear physics) | eng |
dc.subject.lemb | Leptones (Física nuclear) | spa |
dc.subject.lemb | Physics - research | eng |
dc.subject.lemb | Física-Investigaciones | spa |
dc.subject.lemb | Quantum physical | eng |
dc.subject.lemb | Física cuántica | spa |
dc.subject.proposal | Neutrino | spa |
dc.subject.proposal | Neutrino | eng |
dc.subject.proposal | Oscilación de neutrinos | spa |
dc.subject.proposal | Neutrino oscillations | eng |
dc.subject.proposal | Triplete de Higgs | spa |
dc.subject.proposal | Higgs triplet | eng |
dc.subject.proposal | Matriz y ángulo de mezcla | spa |
dc.subject.proposal | Matrix and mixing angle | eng |
dc.subject.proposal | Matrices bimaximales y tribimaximales | spa |
dc.subject.proposal | Bimaximal and tribimaximal matrices | eng |
dc.subject.proposal | Modelo estándar | spa |
dc.subject.proposal | Standard model | eng |
dc.title | Oscilaciones de neutrinos en extensiones del modelo con triplete de Higgs | spa |
dc.title.translated | Neutrino oscillations in extensions of the model with Higgs triplet | eng |
dc.type | Trabajo de grado - Maestría | spa |
dc.type.coar | http://purl.org/coar/resource_type/c_bdcc | spa |
dc.type.coarversion | http://purl.org/coar/version/c_ab4af688f83e57aa | spa |
dc.type.content | Text | spa |
dc.type.driver | info:eu-repo/semantics/masterThesis | spa |
dc.type.redcol | http://purl.org/redcol/resource_type/TM | spa |
dc.type.version | info:eu-repo/semantics/acceptedVersion | spa |
dcterms.audience.professionaldevelopment | Estudiantes | spa |
dcterms.audience.professionaldevelopment | Investigadores | spa |
dcterms.audience.professionaldevelopment | Maestros | spa |
dcterms.audience.professionaldevelopment | Público general | spa |
oaire.accessrights | http://purl.org/coar/access_right/c_abf2 | spa |
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