NameMegías Vázquez, Guillermo Daniel
DepartmentFísica Atómica, Molecular y Nuclear
Knowledge areaFísica Atómica, Molecular y Nuclear
Professional categoryProfesor Contratado Doctor
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Combined Analysis of Neutrino and Antineutrino Charged Current Inclusive Interactions

Franco Patiño, Juan Manuel; Gaciño Olmedo, Nicolás; González Rosa, Jesús; Dolan, Stephen J.; Megías Vázquez, Guillermo Daniel; Munteanu, Laura; Barbaro, Maria B.; Caballero Carretero, Juan Antonio (MDPI, 2024)
This paper presents a combined analysis of muon neutrino and antineutrino charged-current cross sections at kinematics of ...
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New Model Comparison for Semi-inclusive Charged-current Electron and Muon Neutrino Scattering by Ar40 in the Energy Range of the MicroBooNE Experiment

Franco Patiño, Juan Manuel; Dolan, S.; González Jiménez, Raúl; Barbaro, M. B.; Caballero Carretero, Juan Antonio; Megías Vázquez, Guillermo Daniel (American Physical Society, 2024)
In this work we present a comparison of semi-inclusive muon and electron neutrino cross sections with 40Ar target measured ...
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Superscaling in the resonance region for neutrino-nucleus scattering: The SuSAv2 dynamical coupled-channels model

González Rosa, Jesús; Megías Vázquez, Guillermo Daniel; Caballero Carretero, Juan Antonio; Barbaro, M. B.; Franco Patiño, Juan Manuel (American Physical Society, 2023)
In this work, the SuSAv2 and dynamical coupled-channels (DCC) models have been combined and tested in the inelastic regime ...
Final Degree Project
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Aniquilación electrón-positrón en procesos electrodébiles

Collado Soto, Andrés; Caballero Carretero, Juan Antonio; Megías Vázquez, Guillermo Daniel (2023)
El objetivo principal de este trabajo consiste en estudiar los procesos resultantes de la interacción electromagnética ...
Final Degree Project
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Resolución numérica de la ecuación de Dirac y su aplicación a problemas de interés físico

Vilches Menor de Gaspar, Gabriel; Moro Muñoz, Antonio Matías; Megías Vázquez, Guillermo Daniel (2023)
El estudio de las soluciones de Dirac es importante para la descripción relativista de una variedad de sistemas, siendo ...
Master's Final Project
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Estudio de las incertidumbres asociadas a la estructura hadrónica y la dinámica nuclear en reacciones de neutrinos con núcleos y nucleones a energías intermedias

Sayago Rodríguez, Marta; Caballero Carretero, Juan Antonio; Megías Vázquez, Guillermo Daniel (2023)
En este trabajo, se realiza una descripción teórica de los procesos de dispersión elástica neutrino-nucleón y de dispersión ...
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Analysis of T2K and MINERνA Semi-Inclusive νμ−12C Measurements

Franco Patiño, Juan Manuel; González Jiménez, Raúl; Dolan, S.; Barbaro, M. B.; Caballero Carretero, Juan Antonio; Megías Vázquez, Guillermo Daniel; Udias, J. M. (MPDI, 2023)
We compare the semi-inclusive νμ−12C cross-section measurements via T2K and MINERνA collaborations with the predictions ...
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Weak Neutrino (Antineutrino) Charged-Current Responses and Scaling for Nuclear Matter in the Relativistic Mean Field

Cruz Barrios, Sara; Megías Vázquez, Guillermo Daniel; Caballero Carretero, Juan Antonio (MDPI, 2023)
A systematic analysis of the weak responses for charged-current quasielastic neutrino-nucleus reactions is presented within ...
Final Degree Project
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Interacción débil en procesos de dispersión neutrino-leptón

Prats Garrido, Miguel; Megías Vázquez, Guillermo Daniel; Caballero Carretero, Juan Antonio (2023)
Este trabajo es un estudio teórico de los procesos de dispersión entre neutrinos y leptones cargados. Tras realizar una ...
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Measurements of neutrino oscillation parameters from the T2K experiment using 3.6×1021 protons on target

Abe, K.; Akhlaq, N.; Akutsu, R.; Ali, A.; Alonso Monsalve, S.; Alt, C.; Andreopoulos, C.; Caballero Carretero, Juan Antonio; Franco Patiño, Juan Manuel; González Rosa, Jesús; Megías Vázquez, Guillermo Daniel; Zsoldos, S. (Springer, 2023)
The T2K experiment presents new measurements of neutrino oscillation parameters using 19.7(16.3)×1020 protons on target ...
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Scintillator ageing of the T2K near detectors from 2010 to 2021

Abe K.; Akhlaq N.; Akutsu R.; Ali A.; Alt C.; Andreopoulos C.; Antonova M.; Aoki S.; T2K Collaboration; Megías Vázquez, Guillermo Daniel (Institute of Physics Publishing, 2022)
The T2K experiment widely uses plastic scintillator as a target for neutrino interactions and an active medium for the ...
Final Degree Project
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Oscilaciones de neutrinos y procesos de dispersión neutrino-leptón

Sayago Rodríguez, Marta; Caballero Carretero, Juan Antonio; Megías Vázquez, Guillermo Daniel (2022)
Este trabajo incluye una revisión de las propiedades más importantes del neutrino como el sabor, la helicidad y la masa, ...
Final Degree Project
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Estudio de la dispersión profundamente inelástica en procesos electrón-nucleón y análisis de los factores de forma del nucleón

Gallego Bonilla, Javier; Caballero Carretero, Juan Antonio; Megías Vázquez, Guillermo Daniel (2022)
Este trabajo constituye un amplio estudio sobre la dispersión de electrones con nucleones, centrándonos en la región ...
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Neutrino Energy Reconstruction from Semi-inclusive Samples

González Jiménez, Raúl; Barbaro, M. B; Caballero Carretero, Juan Antonio; Donnelly, T. W.; Jachowicz, N.; Megías Vázquez, Guillermo Daniel; Niewczas, K.; Nikolakopoulos, A.; Van Orden, J. W.; Udías, J. M. (American Physical Society, 2022)
We study neutrino-nucleus charged-current reactions on finite nuclei for the situation in which an outgoing muon and a ...
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SuSAv2 Model for Inelastic Neutrino-nucleus Scattering

González Rosa, Jesús; Megías Vázquez, Guillermo Daniel; Caballero Carretero, Juan Antonio; Barbaro, M. B. (American Physical Society, 2022)
The susperscaling model SuSAv2, already available for charged-current neutrino-nucleus cross sections in the quasielastic ...
Presentation
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Semi-inclusive charged-current neutrino-nucleus reactions: Analysis of data in the Relativistic Plane-Wave Impulse Approximation

Franco Patiño, Juan Manuel; Barbaro, M. B.; Caballero Carretero, Juan Antonio; Megías Vázquez, Guillermo Daniel (Sissa Medialab Srl, 2022)
Semi-inclusive neutrino-nucleus cross sections within the plane-wave impulse approximation (PWIA) for three nuclear models: ...
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Final state interactions in semi-inclusive neutrino-nucleus scattering: Applications to the T2K and MINERνA experiments

Franco Patiño, Juan Manuel; González Jiménez, Raúl; Dolan, S.; Barbaro, M. B.; Caballero Carretero, Juan Antonio; Megías Vázquez, Guillermo Daniel; Udias, J. M. (American Physical Society, 2022)
We present a complete comparison of semi-inclusive νμ−12C cross section measurements by T2K and MINERνA collaborations ...
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SuSAv2 Model for Inelastic Neutrino-nucleus Scattering

González Rosa, Jesús; Megías Vázquez, Guillermo Daniel; Caballero Carretero, Juan Antonio; Barbaro, M. B. (American Physical Society, 2022)
The susperscaling model SuSAv2, already available for charged-current neutrino-nucleus cross sections in the quasielastic ...
Final Degree Project
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Interacción electrón-nucleón y estudio de la estructura interna del nucleón

del Palacio Lirola, Jaime; Caballero Carretero, Juan Antonio; Megías Vázquez, Guillermo Daniel (2022)
Este trabajo constituye un estudio profundo y detallado de la dispersión elástica electrón protón, y una breve incursión ...
Final Degree Project
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Interacción neutrino-nucleón: relevancia en el estudio de la estructura interna del nucleón y en el estudio de las oscilaciones de neutrinos

Gaciño Olmedo, Nicolás; Megías Vázquez, Guillermo Daniel (2022)
Desde la hipotesis de Pauli, los neutrinos han sido objeto de investigación en distintas partes del mundo para caracterizar ...
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Neutrino-nucleus scattering in the SuSA model

Amaro, J. E.; Barbaro, M. B.; Caballero Carretero, Juan Antonio; Donnelly, T. W.; González Jiménez, Raúl; Megías Vázquez, Guillermo Daniel (Springer, 2021)
The super-scaling approach (SuSA) model, based on the analogies between electron and neutrino interactions with nuclei, ...
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Inclusive electron scattering and the genie neutrino event generator

Papadopoulou, A.; Ashkenazi, A.; Gardiner, S.; Betancourt, M.; Dytman, S.; Weinstein, L. B.; Piasetzky, E.; Hauenstein, F.; Khachatryan, M.; Dolan, S.; Megías Vázquez, Guillermo Daniel; Hen, O. (American Physical Society, 2021)
The extraction of neutrino mixing parameters from accelerator-based neutrino-oscillation experiments relies on proper ...
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Theoretical Description of Semi-inclusive T2K, MINERν A and MicroBooNE Neutrino-nucleus Data in the Relativistic Plane Wave Impulse Approximation

Franco Patiño, Juan Manuel; Barbaro, M. B.; Caballero Carretero, Juan Antonio; Megías Vázquez, Guillermo Daniel (American Physical Society, 2021)
We present the results of semi-inclusive neutrino-nucleus cross sections within the plane wave impulse approximation (PWIA) ...
Final Degree Project
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Mesones K: extrañeza, interacción débil y violación CP

Sánchez Pérez, Carmen; Caballero Carretero, Juan Antonio; Megías Vázquez, Guillermo Daniel (2021)
Este documento presenta un estudio en detalle de los mesones K o kaones, de gran relevancia en la F´ısica de Part´ıculas. ...
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Constraints in modeling the quasielastic response in inclusive lepton-nucleus scattering

González Jiménez, Raúl; Barbaro, M. B.; Caballero Carretero, Juan Antonio; Donnelly, T. W.; Jachowicz, N.; Megías Vázquez, Guillermo Daniel; Niewczas, K.; Nikolakopoulos, A.; Udías, J. M. (American Physical Society, 2020)
We show that the quasielastic (QE) response calculated with the superscaling approach (SuSAv2) model, that relies on the ...
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New evaluation of the axial nucleon form factor from electron- and neutrino-scattering data and impact on neutrino-nucleus cross sections

Megías Vázquez, Guillermo Daniel; Bolognesi, S.; Barbaro, M. B.; Tomasi-Gustafsson, E. (American Physical Society, 2020)
A joint fit to neutrino-nucleon scattering and pion electroproduction data is performed to evaluate the nucleon axial form ...
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Analysis of the MINERvA antineutrino double-differential cross sections within the SuSAv2 model including meson-exchange currents

Megías Vázquez, Guillermo Daniel; Barbaro, M. B.; Caballero Carretero, Juan Antonio; Dolan, S. (American Physical Society, 2019)
We compare the results of the SuSAv2 model including meson-exchange currents (MEC) with the recent measurement of the ...
Final Degree Project
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Teoría de propagadores: estudio de procesos electromagnéticos y débiles

Aguado López, Jesús; Caballero Carretero, Juan Antonio; Megías Vázquez, Guillermo Daniel (2019)
Los propagadores son una herramienta matemática central en numerosas ramas de la física ya que permiten la resolución de ...
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Realistic spectral function model for charged-current quasielastic-like neutrino and antineutrino scattering cross sections on C 12

Ivanov, M. V.; Antonov, A.N.; Megías Vázquez, Guillermo Daniel; Caballero Carretero, Juan Antonio; Barbaro, M. B.; Amaro, J. E.; Ruiz Simo, I.; Donnelly, T. W.; Udías, J. M. (American Physical Society, 2019)
A detailed study of charged current quasielastic neutrino and antineutrino scattering cross sections on a C12 target with ...
Presentation
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Charged-current quasielastic (anti)neutrino cross sections on 12C with realistic spectral functions including meson-exchange contributions

Ivanov, M. V.; Antonov, A. N.; Megías Vázquez, Guillermo Daniel; Caballero Carretero, Juan Antonio; Barbaro, M. B.; Amaro, J. E.; Simo, I. R.; Donnelly, T. W.; Udías, J. M. (AIP Publishing, 2019)
We present a detailed study of charged-current quasielastic (anti)neutrino scattering cross sections on a 12C target ...
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Mean-field and two-body nuclear effects in inclusive electron scattering on argon, carbon, and titanium: The superscaling approach

Barbaro, M. B.; Caballero Carretero, Juan Antonio; Pace, Arturo de; Donnelly, T. W.; González Jiménez, Raúl; Megías Vázquez, Guillermo Daniel (American Physical Society, 2019)
We compare the predictions of the superscaling approach (SuSAv2) model including two-particle two-hole meson-exchange ...
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Asymmetric relativistic Fermi gas model for quasielastic lepton-nucleus scattering

Barbaro, M. B.; Pace, A. De; Donnelly, T. W.; Caballero Carretero, Juan Antonio; Megías Vázquez, Guillermo Daniel; Orden, J. W. van (American Physical Society, 2018)
We develop an asymmetric relativistic Fermi gas model for the study of the electroweak nuclear response in the quasielastic ...
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Nuclear effects in (anti)neutrino charged-current quasielastic scattering at minerva kinematics

Ivanov, M. V.; Antonov, A. N.; Megías Vázquez, Guillermo Daniel; González Jiménez, Raúl; Barbaro, M. B.; Caballero Carretero, Juan Antonio; Udias, J. M. (IOP Publishing, 2018)
We compare the characteristics of the charged-current quasielastic (anti)neutrino scattering obtained in two different ...
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Nuclear effects in (anti)neutrino charge-current quasielastic scattering at MINER νA kinematics

Ivanov, M. V.; Antonov, A. N.; Megías Vázquez, Guillermo Daniel; González-Jiménez, Rocío; Barbaro, M. B.; Caballero Carretero, Juan Antonio; Donnelly, T. W.; Udias, J. M. (IOP Publishing, 2018)
We compare the characteristics of the charged-current quasielastic (anti)neutrino scattering obtained in two different ...
PhD Thesis
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Charged-current neutrino interactions with nucleons and nuclei at intermediate energies

Megías Vázquez, Guillermo Daniel; Caballero Carretero, Juan Antonio; Bárbaro, María Benedetta (2017)
Nowadays, the interest in neutrinos extends to a large variety of fields in Astrophysics, Nuclear Physics and Particle ...
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Density dependence of 2p-2h meson-exchange currents

Amaro Soriano, José Enrique; Barbaro, M. B.; Caballero Carretero, Juan Antonio; de Pace, A.; Donnelly, T. W.; Megías Vázquez, Guillermo Daniel; Ruiz Simo, I. (American Physical Society, 2017)
We analyze the density dependence of the contribution of meson-exchange currents to the lepton-nucleus inclusive cross ...
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The frozen nucleon approximation in two-particle two-hole response functions

Ruiz Simo, I.; Amaro Soriano, José Enrique; Barbaro, M. B.; Caballero Carretero, Juan Antonio; Megías Vázquez, Guillermo Daniel; Donnelly, T. W. (Elsevier, 2017)
We present a fast and efficient method to compute the inclusive two-particle two-hole (2p–2h) electroweak responses in the ...
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Charged-current neutrino-nucleus reactions within the superscaling meson-exchange current approach

Megías Vázquez, Guillermo Daniel; Amaro Soriano, José Enrique; Barbaro, M. B.; Caballero Carretero, Juan Antonio; Donnelly, T. W.; Ruiz Simo, I. (American Physical Society, 2016)
We present a detailed study of charged-current neutrino-nucleus reactions in a fully relativistic framework and comparisons ...
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Inclusive electron scattering within the SuSAv2 meson-exchange current approach

Megías Vázquez, Guillermo Daniel; Amaro Soriano, José Enrique; Barbaro, M. B.; Caballero Carretero, Juan Antonio; Donnelly, T. W. (American Physical Society, 2016)
We present our recent progress on the relativistic modeling of electron-nucleus reactions and compare our predictions with ...
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Emission of neutron–proton and proton–proton pairs in neutrino scattering

Ruiz Simo, I.; Amaro Soriano, José Enrique; Barbaro, M. B.; Pace, Arturo de; Caballero Carretero, Juan Antonio; Megías Vázquez, Guillermo Daniel (Elsevier, 2016)
We use a recently developed model of relativistic meson-exchange currents to compute the neutron–proton and proton–proton ...
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Emission of neutron-proton and proton-proton pairs in electron scattering induced by meson-exchange currents

Ruiz Simo, I.; Amaro Soriano, José Enrique; Barbaro, M. B.; Pace, Arturo de; Caballero Carretero, Juan Antonio; Megías Vázquez, Guillermo Daniel; Donnelly, T. W. (American Physical Society, 2016)
We use a relativistic model of meson-exchange currents to compute the proton-neutron and proton-proton yields in (e,e ) ...
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Charged-current inclusive neutrino cross sections in the SuperScaling model

Ivanov, M. V.; Megías Vázquez, Guillermo Daniel; González Jiménez, Raúl; Moreno, O.; Barbaro, M. B.; Caballero Carretero, Juan Antonio; Donnelly, T. W. (IOP Publishing, 2016)
SuperScaling model (SuSA) predictions to neutrino-induced charged-current π+ production in the Δ-resonance region are ...
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Star formation across the w3 complex

Román Zúñiga, Carlos G.; Ybarra, Jason E.; Megías Vázquez, Guillermo Daniel; Tapia, Mauricio; Lada, Elizabeth A.; Alves, Joáo F. (IOP Publishing Ltd., 2015)
We present a multi-wavelength analysis of the history of star formation in the W3 complex. Using deep, near-infrared ...
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Meson-exchange currents and quasielastic predictions for charged-current neutrino-12C scattering in the superscaling approach

Megías Vázquez, Guillermo Daniel; Donnelly, T. W.; Moreno, O.; Williamson, C. F.; Caballero Carretero, Juan Antonio; González Jiménez, Raúl; de Pace, A.; Barbaro, M. B. (American Physical Society, 2015)
We evaluate and discuss the impact of meson-exchange currents (MECs) on charged-current quasielastic neutrino cross sections. ...
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Charged-current inclusive neutrino cross sections in the SuperScaling model including quasielastic, pion production and meson-exchange contributions

Ivanov, M. V.; Megías Vázquez, Guillermo Daniel; González Jiménez, Raúl; Moreno, O.; Barbaro, M. B.; Caballero Carretero, Juan Antonio; Donnelly, T. W. (IOP Publishing, 2015)
Charged current inclusive neutrino-nucleus cross sections are evaluated using the superscaling model for quasielastic ...
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Estimate of the theoretical uncertainty of the cross sections for nucleon knockout in neutral-current neutrino-oxygen interactions

Ankowski, Artur M.; Barbaro, M. B.; Benhar, Omar; Caballero Carretero, Juan Antonio; Giusti, Carlotta; González Jiménez, Raúl; Megías Vázquez, Guillermo Daniel; Meucci, Andrea (American Physical Society, 2015)
Free nucleons propagating in water are known to produce γ rays, which form a background to the searches for diffuse supernova ...
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Nuclear effects in neutrino and antineutrino charged-current quasielastic scattering at MINERνA kinematics

Megías Vázquez, Guillermo Daniel; Ivanov, M. V.; González Jiménez, Raúl; Barbaro, M. B.; Caballero Carretero, Juan Antonio; Donnelly, T. W.; Udías, J. M. (American Physical Society, 2014)
We compare the charged-current quasielastic neutrino and antineutrino observables obtained in two different nuclear models, ...
Presentation
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Testing nuclear models via neutrino scattering

Barbaro, M. B.; Albertus Torres, Conrado; Amaro, J. E.; Antonov, A. N.; Caballero Carretero, Juan Antonio; Donnelly, T. W.; González Jiménez, Raúl; Ivanov, M. V.; Moya de Guerra, E.; Megías Vázquez, Guillermo Daniel; Ruiz Simo, Ignacio; Udías, J. M. (2014)
Recent progresses on the relativistic modeling of neutrino-nucleus reactions are presented and the results are compared with high precision experimental data in a wide energy range
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Charged-current quasielastic neutrino scattering cross sections on 12 C with realistic spectral and scaling functions

Ivanov, M. V.; Antonov, A. N.; Caballero Carretero, Juan Antonio; Megías Vázquez, Guillermo Daniel; Barbaro, M. B.; Moya de Guerra, E.; Udías, J. M. (American Physical Society, 2014)
Charge-current quasielastic (anti)neutrino scattering cross sections on a 12C target are analyzed using a spectral function ...
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Extensions of superscaling from relativistic mean field theory: The SuSAv2 model

González Jiménez, Raúl; Megías Vázquez, Guillermo Daniel; Barbaro, M. B.; Caballero Carretero, Juan Antonio; Donnelly, T. W. (American Physical Society, 2014)
We present a systematic analysis of the quasielastic scaling functions computed within the relativistic mean field (RMF) ...
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Neutrino and antineutrino CCQE scattering in the superScaling approximation from miniBooNE to NOMAD energies

Megías Vázquez, Guillermo Daniel; Amaro Soriano, José Enrique; Barbaro, M. B.; Caballero Carretero, Juan Antonio; Donnelly, T. W. (Elsevier, 2013)
We compare the predictions of the SuperScaling model for charged-current quasielastic muonic neutrino and antineutrino ...
Presentation
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Analysis of Charged-Current Neutrino-Nucleus Cross Section

Megías Vázquez, Guillermo Daniel; Caballero Carretero, Juan Antonio (AIP Publishing, 2013)
A study of the cross section for chaged-current quasielastic (CCQE) scattering on nuclei has been performed using a ...