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SIDIS at small x at next-to-leading order: Transverse photon

Tolga Altinoluk1, Filip Bergabo2, Jamal Jalilian-Marian3,4, Cyrille Marquet5, and Yu Shi5,6

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Phys. Rev. D 112, 054020 – Published 12 September, 2025

DOI: https://doi.org/10.1103/s561-vqh8

Abstract

We calculate the next-to-leading order corrections to single inclusive hadron production in deep inelastic scattering at small x using the color glass condensate formalism, for the case when the exchanged photon is transversely polarized. We show all UV and soft divergences cancel while collinear and rapidity divergences result in scale evolution of quark-hadron fragmentation function and small-x evolution of dipole amplitudes, respectively.

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Outline

Information

Phys. Rev. D 112, 054020– Published 12 September, 2025
  • Received 11 June 2025
  • Accepted 22 August 2025
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Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.

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