244 citations · 974 across the 30 of their papers we have counts for
28 papers · 1 filter
Effect of sub-nucleon fluctuations on the DVCS process in proton and nuclear targets at the EIC
J. Cepila, V. P. Goncalves, A. Ridzikova
The impact of the sub - nucleon fluctuations on the Deeply Virtual Compton Scattering (DVCS) process at the Electron - Ion Collider (EIC) is investigated considering proton and nuc…
Diffractive vector meson photo-production in oxygen-oxygen and neon-neon ultraperipheral collisions at energies available at the CERN Large Hadron Collider
J. Cepila, J. G. Contreras, M. Matas +1
The energy-dependent hotspot model is used to predict cross sections for vector-meson diffractive photo-nuclear production off oxygen (O) and neon (Ne) that can be extracted…
Probing nuclear structure with the Balitsky-Kovchegov equation in full impact-parameter dependence
J. Cepila, M. Matas, M. Vaculciak
Building on the newly available solution of the Balitsky-Kovchegov (BK) equation with the full impact-parameter dependence, we extend the study of parton evolution from proton to n…
Exclusive quarkonium photoproduction: predictions with the Balitsky-Kovchegov equation including the full impact-parameter dependence
J. Cepila, J. G. Contreras, M. Vaculciak
The ongoing Run 3 at the Large Hadron Collider (LHC) is substantially increasing the luminosity delivered to the experiments during Run 1 and Run 2. The advent of the high-luminosi…
Impact-parameter-dependent solutions to the Balitsky-Kovchegov equation at next-to-leading order
J. Cepila, J. G. Contreras, M. Matas +1
A stable numerical solution of the impact-parameter-dependent next-to-leading order Balitsky-Kovchegov equation is presented for the first time. The rapidity evolution of the dipol…
Diffractive photoproduction of dark photons
Jan Cepila, Jesús Guillermo Contreras
Dark photons serve as a portal to connect the dark and standard model sectors. Here, we propose photon-induced exclusive diffractive processes as a new tool to study the production…
Vector meson production using the Balitsky-Kovchegov equation including the dipole orientation
Jan Cepila, Jesus Guillermo Contreras, Matej Vaculciak
In this proceedings a solution of the target-rapidity Balitsky-Kovchegov (BK) equation is presented considering the complete impact-parameter dependence, including the orientation…
Incoherent production at large identifies the onset of saturation at the LHC
Jan Cepila, Jesus Guillermo Contreras, Marek Matas +1
We predict that the onset of gluon saturation can be uniquely identified using incoherent production in Pb$\unicode{x2013}$Pb collisions at currently accessible energie…
Solutions to the Balitsky-Kovchegov equation including the dipole orientation
J. Cepila, J. G. Contreras, M. Vaculciak
Solutions of the target-rapidity Balitsky-Kovchegov (BK) equation are studied considering, for the first time, the complete impact-parameter dependence, including the orientation o…
Role of rapidity choice for the impact-parameter dependent Balitsky-Kovchegov equation
Matej Vaculciak, Jesus Guillermo Contreras, Jan Cepila
Reaching higher energies of electron-ion collisions with facilities like EIC is expected to provide a probe of a kinematic region where the parton densities should start to exhibit…
Diffractive deeply inelastic scattering in future electron-ion colliders
D. Bendova, J. Cepila, J. G. Contreras +2
The impact of nonlinear effects in the diffractive observables that will be measured in future electron-ion collisions is investigated. We present, for the first time, the predicti…
New opportunities at the photon energy frontier
Jaroslav Adam, Christine Aidala, Aaron Angerami +72
Ultra-peripheral collisions (UPCs) involving heavy ions and protons are the energy frontier for photon-mediated interactions. UPC photons can be used for many purposes, including p…
Photonuclear production at the LHC: proton-based versus nuclear dipole scattering amplitudes
D. Bendova, J. Cepila, J. G. Contreras +1
The coherent photonuclear production of a vector meson at the LHC has been computed using two different sets of solutions of the impact-parameter dependent Balitsky-…
Contribution of the non-linear term in the Balitsky-Kovchegov equation to the nuclear structure functions
Jan Cepila, Marek Matas
In this paper, we present nuclear structure functions calculated from the impact-parameter dependent solution of the Balitsky-Kovchegov equation with our recently proposed set of n…
Predictions for nuclear structure functions from the impact-parameter dependent Balitsky-Kovchegov equation
J. Cepila, J. G. Contreras, M. Matas
In this work we present dipole scattering amplitudes, including the dependence on the impact-parameter, for a variety of nuclear targets of interest for the electron-ion colliders…
Solution to the Balitsky-Kovchegov equation with the collinearly improved kernel including impact-parameter dependence
D. Bendova, J. Cepila, J. G. Contreras +1
The solution to the impact-parameter dependent Balitsky-Kovchegov equation with the collinearly improved kernel is studied in detail. The solution does not present the phenomenon o…
Coherent and incoherent vector meson electroproduction in the future electron-ion colliders: the hot-spot predictions
M. Krelina, V. P. Goncalves, J. Cepila
One of the more promising observables to probe the high energy regime of the QCD dynamics in the future Electron-Ion Colliders (EIC) is the exclusive vector meson production cross…
Spin rotation effects in diffractive electroproduction of heavy quarkonia
Michal Krelina, Jan Nemchik, Roman Pasechnik +1
In this work we present for the first time the comprehensive study of the Melosh spin rotation effects in diffractive electroproduction of S-wave heavy quarkonia off a nucleon targ…
Theoretical uncertainties in exclusive electroproduction S-wave heavy quarkonia
Jan Cepila, Jan Nemchik, Michal Krelina +1
In this work, we revise the conventional description of J/Psi(1S), Y(1S), Psi'(2S) and Y'(2S) elastic photo- and electroproduction off a nucleon target within the color dipole pict…
Collinearly improved kernel suppresses Coulomb tails in the impact-parameter dependent Balitsky-Kovchegov evolution
J. Cepila, J. G. Contreras, M. Matas
We solved the impact-parameter dependent Balitsky-Kovchegov equation with the recently proposed collinearly imporved kernel. We find that the solutions do not present the Coulomb t…
Dissociative production of vector mesons at electron-ion colliders
D. Bendova, J. Cepila, J. G. Contreras
We present predictions for the exclusive and dissociative production of vector mesons off protons in an electron-ion collider. The computation is based on the energy-dependent hot…
Mass dependence of vector meson photoproduction off protons and nuclei within the energy-dependent hot-spot model
J. Cepila, J. G. Contreras, M. Krelina +1
We study the photoproduction of vector mesons off proton and off nuclear targets. We work within the colour dipole model in an approach that includes subnucleon degrees of freedom,…
Coherent and incoherent photonuclear production in an energy-dependent hot-spot model
Jan Cepila, Jesus Guillermo Contreras, Michal Krelina
In a previous publication, we have presented a model for the photoproduction of vector mesons off protons, where the proton structure in the impact-parameter plane i…
Energy dependence of dissociative photoproduction as a signature of gluon saturation at the LHC
J. Cepila, J. G. Contreras, J. D. Tapia Takaki
We have developed a model in which the quantum fluctuations of the proton structure are characterised by hot spots, whose number grows with decreasing Bjorken-. Our model reprod…