PreprintCC BY 4.0arXiv
Connecting Regge factorization and Collins-Soper evolution
Abstract
The relationship between Regge factorization of amplitudes and the Collins-Soper-Sterman factorization of hadronic cross sections is explored. Seeking a unified description of rapidity divergences in high-energy scattering and transverse-momentum-dependent factorization, a connection emerges between the Collins-Soper kernel and the Regge trajectory. This provides a framework for bridging high-energy and low-transverse-momentum resummation and for future extensions of kT-factorization beyond leading-logarithmic accuracy.
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BibTeX
@misc{simonelli2026connecting,
title = {{Connecting Regge factorization and Collins-Soper evolution}},
author = {Andrea Simonelli},
howpublished = {arXiv},
year = {2026},
month = sep,
doi = {10.48550/arxiv.2609.07424},
eprint = {2609.07424},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2609.07424},
note = {CC BY 4.0},
}
RIS
TY - UNPB
TI - Connecting Regge factorization and Collins-Soper evolution
AU - Andrea Simonelli
PY - 2026
DA - 2026/09/07
PB - arXiv
DO - 10.48550/arxiv.2609.07424
UR - https://arxiv.org/abs/2609.07424
AB - The relationship between Regge factorization of amplitudes and the Collins-Soper-Sterman factorization of hadronic cross sections is explored. Seeking a unified description of rapidity divergences in high-energy scattering and transverse-momentum-dependent factorization, a connection emerges between the Collins-Soper kernel and the Regge trajectory. This provides a framework for bridging high-energy and low-transverse-momentum resummation and for future extensions of k_T-factorization beyond leading-logarithmic accuracy.
ER -