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David Vanegas Forero (Universidad de Medellin)24/07/2024, 08:00
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Nicolás Bernal (New York University Abu Dhabi)24/07/2024, 08:30
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Prof. DIEGO ALEJANDRO RESTREPO QUINTERO24/07/2024, 09:30Dark Matter
Restrictions in Wilson coefficients for Dark matter simplified models
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Fredy Alexander Ochoa Perez24/07/2024, 10:30Dark Matter
We consider an L_{\mu} - L_{\tau} abelian symmmetry extension of the Standard Model to derive spin-independent and spin-dependent interactions of fermion dark matter and electrons through the new gauge boson. We explore prospects with XLZD and OSCURA experiments to close the constraints in the parameter space able to explain simultaneously the recent measurement on the anomalous magnetic...
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Nicolás Bernal (New York University Abu Dhabi)24/07/2024, 11:00Dark Matter
We explore the production of thermal dark matter (DM) candidates (WIMPs, SIMPs, ELDERs and Cannibals) during cosmic reheating. Assuming a general parametrization for the scaling of the inflaton energy density and the standard model (SM) temperature, we study the requirements for kinetic and chemical DM freeze-out in a model-independent way. For each of the mechanisms, up to two solutions that...
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Oscar Zapata24/07/2024, 15:05Dark Matter
QCD-like theories in which the dark matter (DM) of the Universe is hypothesized to be a thermal relic in the form of a dark pion has been extensively investigated, with most studies neglecting the CP-violating θ-angle associated with the topological vacuum. We point out that a non-vanishing θ could potentially trigger resonant number-changing processes giving rise to the observed relic density...
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OSCAR ANDRES RODRIGUEZ CIFUENTES24/07/2024, 15:35Dark Matter
In one-component dark matter (DM) scenarios is commonly assumed that a scalar WIMP must either be part of an $SU(2)_L$ multiplet with zero hypercharge or have suppressed vector interactions with the $Z$ gauge boson to circumvent stringent direct detection (DD) bounds. In this work, we demonstrate that multi-component scenarios with a dark scalar doublet exhibiting vector-like interactions with...
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Dr Robinson Longas (UdeA)24/07/2024, 16:05
The Kalb-Ramond (KR) field is an antisymmetric rank two tensor that appears in the context of string theory. In this work, we consider the massive KR field as a dark matter candidate and we study its production via the FIMP mechanism trough the Higgs portal. We find that the KR field gives account for the relic density of dark matter today for a wide range of masses.
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Andrés Fernando Castillo Ramirez (IAC/ULL)24/07/2024, 17:00Dark Matter
We investigate a model based on fuzzy dark matter (FDM) formalism to describe rotation curves of nearby isolated dwarf galaxies. Our study evaluates the consistency of the FDM behavior with high resolution rotation curves from the LITTLE THINGS 3D catalog, which contains dark matter dominated galaxies. We find that the phenomenological model incorporating a central soliton structure, as...
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David Vanegas Forero (Universidad de Medellin)25/07/2024, 08:30
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JOSE DAVID TAMARA JARAMILLO (Universidad Antonio Nariño)25/07/2024, 09:30Neutrino Physics
In this talk we are going to provide an introduction to Fermilab computing and how to set up an account in Fermilab to use The Liquid Argon Software (LArSoft) and Its main functionalities. This tutorial will present the principal LArSoft modules used as tools in the simulation and reconstruction of different phenomena across liquid Argon time projection chambers, which are employed in...
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Andrés Flórez (Universidad de Los Andes)25/07/2024, 10:30Neutrino Physics
In this talk we present an variation of the Scotogenic Model, that extends the gauge group by a global U(1) symmetry, and a singlet scalar that induces Spontaneous Symmetry Breaking to explain the origin of both Majorana Masses and Lepton number violation. Then, we make a brief analysis of the compatible parameter space for both fermionic and scalar dark matter, which can be considered in a...
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Maud SARAZIN25/07/2024, 11:00Neutrino Physics
I will present a triplet-scotogenic model, so called "T1-2G", in order to provide a solution to neutrino masses, and dark matter, while satisfying the limit on lepton flavor violation processes. The viable region of the parameter space is determined through a Markov Chain Monte Carlo numerical code, and satisfies both dark matter observable and lepton flavor violation constraints.
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Sergio Tostado (Universidad Santiago de Cali)25/07/2024, 11:30Neutrino Physics
The searches for an underlying pattern in neutrino masses have motivated different proposals for textures in the neutrino mass matrix, which is also related to particular arranges of the mixing matrix. The current precise determinations of neutrino mixings have discarded some of the most studied proposals, such as the one involving a $\mu-\tau$ exchange symmetry. In this work, we investigate...
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Nicolás Bernal (New York University Abu Dhabi)25/07/2024, 14:00
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Jorge Eduardo Ossa Sánchez (Universidad de Medellín, Estudiante Doctorado en Modelación y Computación Científica)25/07/2024, 16:30Neutrino Physics
El Proyecto DUNE cuyo objetivo es ahondar en el estudio y comprensión de los neutrinos consta de un generador de haz de neutrinos captados luego por un detector cercano y posteriormente por un detector lejano. Para detectar dichas partículas se hace necesario un gran volumen de material sensible y su correspondiente hardware orientado a amplificar y digitalizar la señal de lo los eventos...
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Sebastián Manco (EIA University)25/07/2024, 16:50Neutrino Physics
El modelo estándar de la fı́sica de partı́culas ha demostrado ser la teorı́a más exitosa de la historia, gracias a su impresionante poder predictivo y su capacidad para explicar una amplia gama de fenómenos naturales. No obstante, esta teorı́a no es definitiva y deja varias preguntas sin resolver, siendo una de las más intrigantes: ¿cómo adquieren masa los neutrinos? En este trabajo, abordamos...
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Andres Layana (UCN)Dark Matter
Se estudia el rompimiento espontáneo de simetrías discretas no abelianas que dejen simetrías residuales conservadas. Con esto, podremos construir extensiones del modelo estándar que incluyan un sector oscuro que proporciona un candidato a materia oscura tipo WIMP. Al mismo tiempo que generan términos de masa para los neutrinos. Exploramos el espacio de parámetros para verificar la viabilidad...
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