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Three-dimensional imaging of hadrons with hard exclusive reactions: advances in experiment, theory, phenomenology, and lattice QCD

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Main Authors:	Boër, M., Camsonne, A., Constantinou, M., Jo, H. S., Joo, K., Semenov-Tian-Shansky, K., Son, H. -D., Sznajder, P., Van Hulse, C., Wagner, J., Afanasev, A., Alvarado, J. S., Bhattacharya, S., Biswas, D., Cao, Xu, Choi, H. -M., Cichy, K., Crnković, N., Hamdi, W., Hoballah, M., Huber, G. M., Hutauruk, P. T. P., Jentsch, A., Ji, C. -R., Kim, H. -Ch., Kriesten, B., Lin, Huey-Wen, Martínez-Fernández, P. -J. Lin V., Mazouz, M., Meziani, Z. -E., Nefedov, M., Passek-K., K., Pire, B., Rossi, P., Teryaev, O., Thomas, A. W., Tomida, N.
Format:	Preprint
Published:	2025
Subjects:	High Energy Physics - Phenomenology High Energy Physics - Experiment High Energy Physics - Lattice Nuclear Experiment Nuclear Theory
Online Access:	Acceder al recurso
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_version_	1866917176898748416
author	Boër, M. Camsonne, A. Constantinou, M. Jo, H. S. Joo, K. Semenov-Tian-Shansky, K. Son, H. -D. Sznajder, P. Van Hulse, C. Wagner, J. Afanasev, A. Alvarado, J. S. Bhattacharya, S. Biswas, D. Cao, Xu Choi, H. -M. Cichy, K. Crnković, N. Hamdi, W. Hoballah, M. Huber, G. M. Hutauruk, P. T. P. Jentsch, A. Ji, C. -R. Kim, H. -Ch. Kriesten, B. Lin, Huey-Wen Martínez-Fernández, P. -J. Lin V. Mazouz, M. Meziani, Z. -E. Nefedov, M. Passek-K., K. Pire, B. Rossi, P. Teryaev, O. Thomas, A. W. Tomida, N.
author_facet	Boër, M. Camsonne, A. Constantinou, M. Jo, H. S. Joo, K. Semenov-Tian-Shansky, K. Son, H. -D. Sznajder, P. Van Hulse, C. Wagner, J. Afanasev, A. Alvarado, J. S. Bhattacharya, S. Biswas, D. Cao, Xu Choi, H. -M. Cichy, K. Crnković, N. Hamdi, W. Hoballah, M. Huber, G. M. Hutauruk, P. T. P. Jentsch, A. Ji, C. -R. Kim, H. -Ch. Kriesten, B. Lin, Huey-Wen Martínez-Fernández, P. -J. Lin V. Mazouz, M. Meziani, Z. -E. Nefedov, M. Passek-K., K. Pire, B. Rossi, P. Teryaev, O. Thomas, A. W. Tomida, N.
contents	Generalized Parton Distributions (GPDs) have emerged as a powerful framework for exploring the internal structure of hadrons in terms of their partonic constituents. Over the past three decades, the field has witnessed significant theoretical and experimental advancements. The interpretation of GPDs in impact parameter space offers a vivid three-dimensional visualization of hadron structure, correlating longitudinal momentum and transverse spatial distributions, thereby enabling tomographic imaging of hadrons. Furthermore, the link between GPDs and the matrix elements of the QCD energy-momentum tensor provides access to fundamental properties of hadrons, including spin decomposition and internal pressure distributions. Notably, recent analyses of Deeply Virtual Compton Scattering (DVCS) data have enabled the empirical extraction of the quark pressure profile inside the proton. This white paper presents an overview of recent developments in GPD theory and phenomenology, as well as progress in lattice QCD studies. It outlines the prospects for advancing our understanding of hadron structure through the next generation of dedicated experiments, including the extension of the Jefferson Lab 12~GeV program (and its potential 22~GeV upgrade), J-PARC, COMPASS/AMBER, LHC ultra-peripheral collisions, and the future electron-ion colliders EIC and EicC.
format	Preprint
id	arxiv_https___arxiv_org_abs_2512_15064
institution	arXiv
publishDate	2025
record_format	arxiv
spellingShingle	Three-dimensional imaging of hadrons with hard exclusive reactions: advances in experiment, theory, phenomenology, and lattice QCD Boër, M. Camsonne, A. Constantinou, M. Jo, H. S. Joo, K. Semenov-Tian-Shansky, K. Son, H. -D. Sznajder, P. Van Hulse, C. Wagner, J. Afanasev, A. Alvarado, J. S. Bhattacharya, S. Biswas, D. Cao, Xu Choi, H. -M. Cichy, K. Crnković, N. Hamdi, W. Hoballah, M. Huber, G. M. Hutauruk, P. T. P. Jentsch, A. Ji, C. -R. Kim, H. -Ch. Kriesten, B. Lin, Huey-Wen Martínez-Fernández, P. -J. Lin V. Mazouz, M. Meziani, Z. -E. Nefedov, M. Passek-K., K. Pire, B. Rossi, P. Teryaev, O. Thomas, A. W. Tomida, N. High Energy Physics - Phenomenology High Energy Physics - Experiment High Energy Physics - Lattice Nuclear Experiment Nuclear Theory Generalized Parton Distributions (GPDs) have emerged as a powerful framework for exploring the internal structure of hadrons in terms of their partonic constituents. Over the past three decades, the field has witnessed significant theoretical and experimental advancements. The interpretation of GPDs in impact parameter space offers a vivid three-dimensional visualization of hadron structure, correlating longitudinal momentum and transverse spatial distributions, thereby enabling tomographic imaging of hadrons. Furthermore, the link between GPDs and the matrix elements of the QCD energy-momentum tensor provides access to fundamental properties of hadrons, including spin decomposition and internal pressure distributions. Notably, recent analyses of Deeply Virtual Compton Scattering (DVCS) data have enabled the empirical extraction of the quark pressure profile inside the proton. This white paper presents an overview of recent developments in GPD theory and phenomenology, as well as progress in lattice QCD studies. It outlines the prospects for advancing our understanding of hadron structure through the next generation of dedicated experiments, including the extension of the Jefferson Lab 12~GeV program (and its potential 22~GeV upgrade), J-PARC, COMPASS/AMBER, LHC ultra-peripheral collisions, and the future electron-ion colliders EIC and EicC.
title	Three-dimensional imaging of hadrons with hard exclusive reactions: advances in experiment, theory, phenomenology, and lattice QCD
topic	High Energy Physics - Phenomenology High Energy Physics - Experiment High Energy Physics - Lattice Nuclear Experiment Nuclear Theory
url	https://arxiv.org/abs/2512.15064