PreprintCC BY-SA 4.0arXiv
Precise QCD Predictions for Photon-Associated Hadron Production at the LHC
Abstract
Prompt-photon production with recoiling QCD radiation is crucial for new-physics searches, determinations of parton distribution and fragmentation functions, and jet-quenching studies in heavy-ion collisions. We present the first fully differential NNLO QCD predictions for photon-associated identified-hadron production at the LHC. We compare predictions obtained with different fragmentation function (FF) sets to ALICE and ATLAS data at √s=5.02 TeV. Our calculation provides an important theoretical ingredient for FF global fits and offers a precision proton--proton baseline for photon-tagged heavy-ion studies.
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BibTeX
@misc{fiore2026precise,
title = {{Precise QCD Predictions for Photon-Associated Hadron Production at the LHC}},
author = {Gabriele Fiore and Aude Gehrmann-De Ridder and Alexander Huss and Francesco Merlotti and Giovanni Stagnitto},
howpublished = {arXiv},
year = {2026},
month = oct,
doi = {10.48550/arxiv.2610.02327},
eprint = {2610.02327},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2610.02327},
note = {CC BY-SA 4.0},
}
RIS
TY - UNPB
TI - Precise QCD Predictions for Photon-Associated Hadron Production at the LHC
AU - Gabriele Fiore
AU - Aude Gehrmann-De Ridder
AU - Alexander Huss
AU - Francesco Merlotti
AU - Giovanni Stagnitto
PY - 2026
DA - 2026/10/01
PB - arXiv
DO - 10.48550/arxiv.2610.02327
UR - https://arxiv.org/abs/2610.02327
AB - Prompt-photon production with recoiling QCD radiation is crucial for new-physics searches, determinations of parton distribution and fragmentation functions, and jet-quenching studies in heavy-ion collisions. We present the first fully differential NNLO QCD predictions for photon-associated identified-hadron production at the LHC. We compare predictions obtained with different fragmentation function (FF) sets to ALICE and ATLAS data at √s=5.02 TeV. Our calculation provides an important theoretical ingredient for FF global fits and offers a precision proton--proton baseline for photon-tagged heavy-ion studies.
ER -