[Submitted on 8 Jul 2026] (cross-list from hep-ph)
Factorization of elastic, single, and double diffractive scattering
Philipp B. Aretz🇺🇸 · Kyle Lee🇺🇸 · Stella T. Schindler🇺🇸 · Iain W. Stewart🇺🇸
We use effective field theory techniques to factorize elastic, single, and double diffractive forward scattering in the Regge limit , where is the squared momentum transfer. These processes involve a large rapidity gap and comprise about half the total cross section. We explain why the diffractive PDFs appearing in diffraction do not appear as universal hadronic functions for diffraction. For , we show that the hadronic functions in and diffraction differ, and hence are non-universal. In general, we prove that rapidity anomalous dimensions are universal between diffractive and processes, and that color-singlet (Pomeron) evolution equations can be determined at the amplitude level.
- Comments:
- 7 pages, 4 figures
- Subjects:
- High Energy Physics — Phenomenology (hep-ph); Nuclear Theory (nucl-th)
- arXiv:
- 2607.07788 [pdf]