183 citations · 3.8k across the 109 of their papers we have counts for
78 papers · 1 filter
Higher Order Corrections to the Effective Field Theory of Low-energy Axions
Bryan Cordero-Patino, Álvaro Duenas-Vidal, Jorge Segovia
Dark matter (DM) can be composed of a collection of axions, or axion-like particles (ALPs), whose existence is due to the spontaneous breaking of the Peccei-Quinn symmetry w…
The case for an EIC Theory Alliance: Theoretical Challenges of the EIC
Raktim Abir, Igor Akushevich, Tolga Altinoluk +167
We outline the physics opportunities provided by the Electron Ion Collider (EIC). These include the study of the parton structure of the nucleon and nuclei, the onset of gluon satu…
Unraveling the nature of the novel and tetraquark candidates
P. G. Ortega, D. R. Entem, F. Fernandez +1
Using proton-proton collisions at centre-of-mass energies , , and TeV, with a total integrated luminosity of , the LHCb collaboration has performed am…
A contact interaction model for the and mesons in a SDE-BSE approach to QCD: masses, decay widths and transition form factors
Bilgai Almeida Zamora, Enrique Carreon Martínez, Jorge Segovia +1
We construct a contact interaction model for the and mesons in the SDE-BSE approach to QCD and compute several static properties of these mesons and their transition form…
Light-front Wave Functions of Vector Mesons in an Algebraic Model
B. Almeida-Zamora, J. J. Cobos-Martínez, A. Bashir +3
Inspired by the recent development of an algebraic model which provides an adequate and unified description of the internal structure of the lowest-lying pseudo-scalar mesons, belo…
Rotation and vibration in tetraquarks
Amir Jalili, Jorge Segovia, Feng Pan +1
A novel approach is introduced for obtaining precise solutions of the pairing Hamiltonian for tetraquarks, which utilizes an algebraic technique in infinite dimensions. The paramet…
Charmoniumlike tetraquarks in a chiral quark model
Gang Yang, Jialun Ping, Jorge Segovia
The lowest-lying charmonium-like tetraquarks and , with spin-parity , and , and isospin and , are syst…
Nature of the doubly-charmed tetraquark in a constituent quark model
Pablo G. Ortega, Jorge Segovia, David R. Entem +1
The recently discovered is evaluated as a molecular structure in the sector. A coupled-channels calculation in charged basis, considering the $D^0D^{*\,…
Kaon spectrum revisited
U. Taboada-Nieto, P. G. Ortega, D. R. Entem +2
The European Organization for Nuclear Research (CERN) has recently approved a world-unique QCD facility in which an updated version of the external M2 beam line of the CERN SPS in…
Fully-charm and -bottom pentaquarks in a Lattice-QCD inspired quark model
Gang Yang, Jialun Ping, Jorge Segovia
The fully-charm and -bottom pentaquarks, \emph{i.e.} and , with spin-parity quantum numbers , and , are…
Towards the discovery of novel states: radiative and hadronic transitions
B. Martín-González, P. G. Ortega, D. R. Entem +2
The properties of the -meson family () are still not well determined experimentally because the specific mechanisms of formation and decay remain poorly understood. U…
Bottomonium-like tetraquarks in a chiral quark model
Gang Yang, Jialun Ping, Jorge Segovia
The low-lying bottomonium-like tetraquarks with spin-parity , and , and isospin or , are systematicall…
Accessing pion GPDs through the Sullivan process: is it feasible?
Jose Manuel Morgado Chávez, Valerio Bertone, Maxime Defurne +5
Describing hadronic structure is one of the most intriguing problems in physics. In this respect, generalized parton distributions (GPDs) constitute an outstanding tool, allowing t…
Composition of low-lying -baryons
Langtian Liu, Chen Chen, Ya Lu +2
A Poincaré-covariant quark+diquark Faddeev equation is used to develop insights into the structure of the four lightest baryon multiplets. W…
Special Issue on Advances in Chiral Quark Models
Jorge Segovia
The number of exotic candidates in both light- and heavy-quark hadron sectors has increased dramatically since the discovery by the Belle Collaboration of the so-called i…
The as the dressed meson in a coupled-channels calculation
Pablo G. Ortega, Jorge Segovia, David R. Entem +1
The recent discovery of the meson by the LHCb Collaboration has stimulated the analysis of meson-meson channels effects in the two-body quark-antiquark meson spect…
Accessing the pion 3D structure at US and China Electron-Ion Colliders
J. M. Morgado Chávez, V. Bertone, F. De Soto +5
We present in this letter the first systematic feasibility study of accessing generalised parton distributions of the pion at an electron-ion collider through deeply virtual Compto…
Pion GPDs: A path toward phenomenology
José Manuel Morgado Chavez, Valerio Bertone, Feliciano De Soto Borrero +5
We introduce a new family of Generalised Parton Distribution models able to fulfil by construction all the theoretical properties imposed by QCD. These models are built on standard…
Hidden-charm tetraquarks with strangeness in the chiral quark model
Gang Yang, Jialun Ping, Jorge Segovia
The hidden-charm tetraquarks with strangeness, , in , and are systematically investigated in the framework of real- and complex-s…
The structures in a constituent quark model coupled-channels calculation
Pablo G. Ortega, Jorge Segovia, Francisco Fernandez
The and are two bottomonium-like structures discovered in the , and invariant mass spectra, where…
The bosonic algebraic approach applied to the tetraquarks
A. J. Majarshin, Yan-An Luo, Feng Pan +1
The exact eigenenergies of the , , and tetraquarks are calculated within the extended tra…
Line shape and the experimental determination of the branching fraction
Jorge Segovia, Jaume Tarrús Castellà
We study the photon spectrum line-shape of the decay process in a nonrelativistic effective field theory (EFT) framework of quantum chromodynamics (QCD). We tak…
The structure of the X(3872) as explained by a Diffusion Monte Carlo calculation
M. C. Gordillo, F. De Soto, J. Segovia
Two decades after its unexpected discovery, the properties of the exotic resonance are still under intense scrutiny. In particular, there are doubts about its nature as a…
Exotic resonances of fully-heavy tetraquarks in a lattice-QCD insipired quark model
Gang Yang, Jialun Ping, Jorge Segovia
Fully-heavy tetraquark states, i.e. , , (), , , and ,…