249 citations · 3.5k across the 127 of their papers we have counts for
98 papers · 1 filter
Unitarity limits on HH production from VBF mediated channels
A. Dobado, D. Domenech, M. Herrero +1
In this work we study the unitarity constraints on double Higgs production from Vector Boson Fusion mediated channels, specifically in scattering, whe…
How relevant are top loops in VBS at the LHC?
Carlos Quezada-Calonge, Antonio Dobado, Juan José Sanz-Cillero
We present the contributions to the imaginary part of the elastic scattering from top and bottom quark one-loop diagrams. The computation is performed within the context o…
On the relevance of fermion loops for scattering
Carlos Quezada-Calonge, Antonio Dobado, Juan José Sanz-Cillero
We study the one-loop corrections to Vector Boson Scattering (in particular elastic scattering) within the framework of effective theories. Re-scattering via intermediate…
Importance of fermion loops in elastic scattering
Antonio Dobado, Carlos Quezada-Calonge, Juan José Sanz-Cillero
We test the assumption that fermion-loop corrections to high energy scattering are negligible when compared to the boson-loop ones. Indeed, we find that, if the couplings…
Top quark loop corrections to scattering in EChL
Antonio Dobado, Carlos Quezada-Calonge, Juan José Sanz-Cillero
We calculate fermion-loop corrections to high energy scattering in the context of a Strongly Interacting Electroweak Symmetry Breaking Sector (EWSBS) using Higgs Effective…
Strongly coupled theories beyond the Standard Model
Antonio Dobado, Domènec Espriu
This article presents a number of technical tools and results that may be instrumental to discern the nature of the Higgs particle. In scenarios where an additional strongly intera…
Resonances in unitarized HEFT at the LHC
Antonio Dobado, Felipe J. Llanes-Estrada, Alexandre Salas-Bernardez +1
Higgs Effective Field Theory (HEFT) is deployed to study elastic vector-boson scattering at the high LHC energies. The interaction is strong over most of the parameter space, with…
Triggering the QCD phase transition through the Unruh effect: chiral symmetry restoration for uniformly accelerated observers
Adrián Casado-Turrión, Antonio Dobado
In this work we study the chiral phase transition as observed by an accelerating observer taking into account the Unruh effect. We use Chiral Perturbation Theory at leading order a…
Unitarized HEFT for strongly interacting longitudinal electroweak gauge bosons with resonances
Rafael L. Delgado, Antonio Dobado, Felipe J. Llanes-Estrada
Higgs Effective Field Theory can be used to study vector-boson elastic scattering at the high energies relevant for the LHC. For most of the parameter space, the scattering is stro…
Resonant events at the LHC from a unitarized study of the EChL
R. L. Delgado, A. Dobado, D. Espriu +4
We present a study of the production of vector resonances at the LHC via vector boson scattering and explore the sensitivities to these resonances for expected LHC luminosit…
Resonant production of Wh and Zh at the LHC
Antonio Dobado, Felipe J. Llanes-Estrada, Juan J. Sanz-Cillero
We examine the production of Wh and Zh pairs at the LHC in the context of a Strongly Interacting Symmetry Breaking Sector of the Standard Model. Our description is based on a non-l…
Collider phenomenology of HEFT and new Wh and Zh resonances
Antonio Dobado, Felipe J. Llanes-Estrada, Juan J. Sanz-Cillero
We report computations of the production cross-section of longitudinal electroweak and Higgs boson pairs within Effective Field Theory for the Electroweak sector (including the Hig…
Collider production of Electroweak resonances from photon-photon states
Rafael L. Delgado, Antonio Dobado, Miguel Espada +2
We estimate production cross sections for 2-body resonances of the Electroweak Symmetry Breaking sector (in and rescattering) from scattering. We employ unit…
Production of vector resonances at the LHC via WZ-scattering: a unitarized EChL analysis
R. L. Delgado, A. Dobado, D. Espriu +4
In the present work we study the production of vector resonances at the LHC by means of the vector boson scattering and explore the sensitivities to these resonances fo…
Coupling WW, ZZ unitarized amplitudes to in the TeV region
Rafael L. Delgado, Antonio Dobado, Felipe J. Llanes-Estrada
We define and calculate helicity partial-wave amplitudes for processes linking the Electroweak Symmetry Breaking Sector (EWSBS) to , employing (to NLO) the Higgs-EFT (HEFT) ext…
Top-antitop production from and scattering under a strongly-interacting symmetry-breaking sector
Andrés Castillo, Rafael L. Delgado, Antonio Dobado +1
By using a Non-linear Electroweak Chiral Lagrangian, including the Higgs, coupled to heavy quarks, and the Equivalence Theorem, we compute (in the regime $M_t^2/v^2\ll\sqrt{s}M_t/v…
Comparing mesons and W_L W_L TeV-resonances
Antonio Dobado, Rafael L. Delgado, Felipe J. Llanes-Estrada +1
Tantalizing LHC hints suggest that resonances of the Electroweak Symmetry Breaking Sector might exist at the TeV scale. We recall a few key meson-meson resonances in the GeV region…
Resonances in W_L W_L, Z_L Z_L and hh scattering from dispersive analysis of the non-linear Electroweak+Higgs Effective Theory
Antonio Dobado, Rafael L. Delgado, Felipe J. Llanes-Estrada
If new resonances of the electroweak symmetry breaking sector (longitudinal-gauge and Higgs) bosons are found in the 1-3 TeV region, the right tool to assess their properties and c…
Describing 2-TeV scale W_L W_L resonances with Unitarized Effective Theory
Felipe J. Llanes-Estrada, Antonio Dobado, Rafael L. Delgado
The LHC is now exploring the 1-3 TeV scale where resonances of the Electroweak Symmetry Breaking Sector might exist. If so, Unitarized Effective Theory can be used to describe the…
Production cross section estimates for strongly-interacting Electroweak Symmetry Breaking Sector resonances at particle colliders
Antonio Dobado, Feng-Kun Guo, Felipe J. Llanes-Estrada
We are exploring a generic strongly-interacting Electroweak Symmetry Breaking Sector (EWSBS) with the low-energy effectie field theory for the four experimentally known particles (…
Unitarity, analyticity, dispersion relations and resonances in strongly interacting , and scattering
Rafael L. Delgado, Antonio Dobado, Felipe J. Llanes-Estrada
If the Electroweak Symmetry Breaking Sector turns out to be strongly interacting, the actively investigated effective theory for longitudinal gauge bosons plus Higgs can be efficie…
A Strongly Interacting Electroweak Symmetry Breaking Sector with a Higgs-like light scalar
Rafael L. Delgado, Antonio Dobado, Felipe J. Llanes-Estrada
The apparent finding of a 125 GeV light Higgs boson would close the minimal Standard Model (SM), that is weakly interacting. This is an exceptional feature not generally true if ne…
Electroweak chiral Lagrangian with a light Higgs and scattering at one loop
R. L. Delgado, A. Dobado, M. J. Herrero +1
In these proceedings we provide a brief summary of the findings of a previous article where we have studied the photon-photon scattering into longitudinal weak bosons within the co…
Strongly interacting and from unitarized one-loop computations
Rafael L. Delgado, Antonio Dobado, Felipe J. Llanes-Estrada
Recently, a new boson h has been discovered at the LHC which, so far, is compatible with the properties of the SM Higgs. However, the SM is not the most general low-energy dynamics…