Explanipedia

Study of deeply virtual Compton scattering at the future electron-ion collider Open

NULL AUTHOR_ID, V. Batozskaya, S. Fazio, A. Jentsch, J. Kim , et al. · 2025

This study presents the impact of future measurements of deeply virtual Compton scattering (DVCS) with the ePIC detector at the electron-ion collider (EIC), currently under construction at Brookhaven National Laboratory. The considered pro…

Nuclear Physics and the European Particle Physics Strategy Update 2026 Open

L. M. Fraile, J. J. Gaardhøje, U. van Kolck, H. Moutarde, N Patronis , et al. · 2025

This document provides input to the update of the European Strategy for Particle Physics in fields that are related to Nuclear Physics as described in the NuPECC Long Range Plan 2024 (arXiv:2503.15575).

Proton internal pressure from deeply virtual Compton scattering on collider kinematics Open

Hervé Dutrieux, Thibaud Meisgny, Cédric Mezrag, H. Moutarde · 2024

The unique experimental connection to the QCD energy-momentum tensor offered by generalised parton distributions has been strongly highlighted in the past few years with attempts to extract the pressure and shear forces distributions withi…

Low-dimensional signal representations for massive black hole binary signals analysis from LISA data Open

Elie Leroy, J. Bobin, H. Moutarde · 2024

Context . The space-based gravitational wave observatory LISA will provide a wealth of information to analyze massive black hole binaries with high chirp masses, beyond 10 5 solar masses. The large number of expected MBHBs (one event a day…

In Memoriam: Dr. Christophe Theisen (1969–2024) Open

H. Moutarde · 2024

Unraveling Generalized Parton Distributions Through Lorentz Symmetry and Partial DGLAP Knowledge Open

Pietro Dall’Olio, F. De Soto, Cédric Mezrag, José Manuel Morgado Chávez, H. Moutarde , et al. · 2024

Relying on the polynomiality property of generalized parton distributions, which roots on Lorentz covariance, we prove that it is enough to know them at vanishing- and low-skewness within the DGLAP region to obtain a unique extension to th…

Precision studies of QCD in the low energy domain of the EIC Open

Volker Burkert, L. Elouadrhiri, Andrei Afanasev, J. Arrington, M. Contalbrigo , et al. · 2023

Revisiting evolution equations for generalised parton distributions Open

Valerio Bertone, Hervé Dutrieux, Cédric Mezrag, José Manuel Morgado Chávez, H. Moutarde · 2022

Accessing pion GPDs through the Sullivan process: is it feasible? Open

José Manuel Morgado Chávez, Valerio Bertone, M. Defurne, F. De Soto, Cédric Mezrag , et al. · 2022

Describing hadronic structure is one of the most intriguing problems in physics. In this respect, generalized parton distributions (GPDs) constitute an outstanding tool, allowing to draw “three dimensional pictures” of hadron’s inside. Sta…

Erratum to: Artificial neural network modelling of generalised parton distributions Open

Hervé Dutrieux, Oskar Grocholski, H. Moutarde, P. Sznajder · 2022

Accessing pion GPDs through the Sullivan process: is it feasible? Open

José Manuel Morgado Chávez, Valerio Bertone, M. Defurne, F. De Soto, Cédric Mezrag , et al. · 2022

Describing hadronic structure is one of the most intriguing problems in physics. In this respect, generalized parton distributions (GPDs) constitute an outstanding tool, allowing to draw "three dimensional pictures" of hadron's inside. Sta…

Artificial neural network modelling of generalised parton distributions Open

Hervé Dutrieux, H. Moutarde · 2021

We discuss the use of machine learning techniques in effectively nonparametric modelling of generalised parton distributions (GPDs) in view of their future extraction from experimental data. Current parameterisations of GPDs suffer from mo…

Sparse data inpainting for the recovery of Galactic-binary gravitational wave signals from gapped data Open

Aurore Blelly, J. Bobin, H. Moutarde · 2021

The forthcoming space-based gravitational wave observatory LISA will open a new window for the measurement of Galactic binaries, which will deliver unprecedented information about these systems. However, the detection of Galactic binary gr…

Pion GPDs: A path toward phenomenology Open

José Manuel Morgado Chávez, Valerio Bertone, F. De Soto, M. Defurne, Cédric Mezrag , et al. · 2021

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 Parton Distribution Functions and extended to off-forward …

Shadow generalized parton distributions: a practical approach to the deconvolution problem of DVCS Open

Valerio Bertone, Hervé Dutrieux, Cédric Mezrag, H. Moutarde, P. Sznajder · 2021

Deeply virtual Compton scattering (DVCS) attracts a lot of interest due to its sensitivity to generalized parton distributions (GPDs) which provide a rich access to the partonic structure of hadrons. However, the practical extraction of GP…

Basic properties of GPDs and modelling of the latter Open

Cédric Mezrag, N. Chouika, H. Moutarde, J. Rodrı́guez-Quintero · 2020

We present here a new method based on the Radon transform to model Generalised Parton Distributions (GPDs). It allows to fulfil all theoretical constraints applying on GPDs, especially polynomiality and positivity at the same time. More sp…

Pion and kaon structure at the electron-ion collider Open

A. C. Aguilar, Z. Ahmed, C. Aidala, Salina Ali, V. Andrieux , et al. · 2019

PARTONS: PARtonic Tomography Of Nucleon Software Open

Benoît Berthou, Daniele Binosi, N. Chouika, L. Colaneri, M. Guidal , et al. · 2018

A Nakanishi-based model illustrating the covariant extension of the pion GPD overlap representation and its ambiguities Open

N. Chouika, Cédric Mezrag, H. Moutarde, J. Rodrı́guez-Quintero · 2018

Partonic Structure of Light Nuclei Open

W. Armstrong, S. S. Stepanyan, Silvia Niccolai, M. Paolone, S. Joosten , et al. · 2017

We propose to study the partonic structure of $^4$He by measuring the Beam Spin Asymmetry (BSA) in coherent Deeply Virtual Compton Scattering (DVCS) and the differential cross-section of the Deeply Virtual Meson Production (DVMP) of the $ϕ…

Nuclear Exclusive and Semi-inclusive Measurements with a New CLAS12 Low Energy Recoil Tracker Open

W. Armstrong, J. Arrington, Ian C. Cloët, Kawtar Hafidi, Mohammad Hattawy , et al. · 2017

We propose to study the partonic structure of $^4$He by measuring the Beam Spin Asymmetry (BSA) in coherent Deeply Virtual Compton Scattering (DVCS) and the differential cross-section of the Deeply Virtual Meson Production (DVMP) of the $\…

Spectator-Tagged Deeply Virtual Compton Scattering on Light Nuclei Open

W. Armstrong, Adam Freese, S. Stepanyan, Silvia Niccolai, Frank Thanh Cao , et al. · 2017

The three-dimensional picture of quarks and gluons in the proton is set to be revealed through Deeply virtual Compton scattering while a critically important puzzle in the one-dimensional picture remains, namely, the origins of the EMC eff…

Tagged EMC Measurements on Light Nuclei Open

W. Armstrong, S. S. Stepanyan, Silvia Niccolai, M. Paolone, S. Joosten , et al. · 2017

We propose to measure tagged deep inelastic scattering from light nuclei (deuterium and $^4$He) by detecting the low energy nuclear spectator recoil (p, $^3$H and $^3$He) in addition to the scattered electron. The proposed experiment will …

Round table: Nucleon tomography. What can we do better today than Rutherford 100 years ago? Open

N. G. Stefanis, Constantia Alexandrou, T. Horn, H. Moutarde, Ignazio Scimemi · 2017

A survey is presented on the current status of 3D nucleon tomography. Several\nresearch frontiers are addressed that dominate modern physics from theory to\ncurrent and future experiments. We have now a much more detailed spatial image\nof…

Concurrent approaches to Generalized Parton Distribution modeling: the pion’s case Open

N. Chouika, Cédric Mezrag, H. Moutarde, J. Rodrı́guez-Quintero · 2017

The concept of Generalized Parton Distributions promises an understanding \nof the generation of the charge, spin, and energy-momentum structure \nof hadrons by quarks and gluons. Forthcoming measurements with unprecedented \naccuracy at J…

An algebraic model for the pion's valence-quark GPD Open

N. Chouika, Cédric Mezrag, H. Moutarde, J. Rodrı́guez-Quintero · 2016

We briefly report on a recent computation, with the help of a fruitful algebraic model, sketching the pion valence dressed-quark generalized parton distribution. Then, preliminary, we introduce on a sensible procedure to get reliable resul…

GPD phenomenology and DVCS fitting - Entering the high-precision era Open

Krešimir Kumerički, Simonetta Liuti, H. Moutarde · 2016

We review the phenomenological framework for accessing Generalized Parton Distributions (GPDs) using measurements of Deeply Virtual Compton Scattering (DVCS) from a proton target. We describe various GPD models and fitting procedures, emph…

PARTONS: PARtonic Tomography Of Nucleon Software. A computing framework for the phenomenology of Generalized Parton Distributions Open

Benoît Berthou, Daniele Binosi, N. Chouika, L. Colaneri, M. Guidal , et al. · 2015

We describe the architecture and functionalities of a C++ software framework, coined PARTONS, dedicated to the phenomenology of Generalized Parton Distributions. These distributions describe the three-dimensional structure of hadrons in te…

DSE inspired model for the pion's valence dressed-quark GPD Open

Lei Chang, Cédric Mezrag, H. Moutarde, Craig D. Roberts, J. Rodrı́guez-Quintero , et al. · 2015

We sketch here an approach to the computation of generalised parton\ndistributions (GPDs), based upon a rainbow-ladder (RL) truncation of QCD's\nDyson-Schwinger equations and exemplified via the pion's valence dressed-quark\nGPD, $H_\\pi^{…

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