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PreprintCC BY 4.0arXiv

Inclusive diffraction in eA at small x with the Sartre event generator

  • Tobias Toll
  • Bhakta Naik
  • Jaswant Singh
  • Thomas Ullrich
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Abstract

We present an extension of the Sar\emph{t}re event generator that implements inclusive diffractive deep inelastic scattering for both proton and nuclear targets at small x. The calculation is performed in the colour-dipole picture using the IPsat and IPnonsat dipole amplitudes that Sar\emph{t}re also employs for exclusive processes, and includes the transverse and longitudinal qq̅ contributions together with the qq̅g Fock state that dominates at large MX. The partonic diffractive system is hadronised with \pythia, giving fully exclusive hadronic final states. We compare to the combined H1 and ZEUS inclusive diffractive measurements and to diffractive D* production, and present predictions for the Electron-Ion Collider. This makes Sar\emph{t}re the only event generator providing inclusive diffractive DIS in small-x for both ep and eA collisions.

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Cite

BibTeXRIS
BibTeX
@misc{toll2026inclusive,
  title = {{Inclusive diffraction in eA at small x with the Sartre event generator}},
  author = {Tobias Toll and Bhakta Naik and Jaswant Singh and Thomas Ullrich},
  howpublished = {arXiv},
  year = {2026},
  month = sep,
  doi = {10.48550/arxiv.2609.38963},
  eprint = {2609.38963},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2609.38963},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - Inclusive diffraction in eA at small x with the Sartre event generator
AU  - Tobias Toll
AU  - Bhakta Naik
AU  - Jaswant Singh
AU  - Thomas Ullrich
PY  - 2026
DA  - 2026/09/30
PB  - arXiv
DO  - 10.48550/arxiv.2609.38963
UR  - https://arxiv.org/abs/2609.38963
AB  - We present an extension of the Sar\emph{t}re event generator that implements inclusive diffractive deep inelastic scattering for both proton and nuclear targets at small x. The calculation is performed in the colour-dipole picture using the IPsat and IPnonsat dipole amplitudes that Sar\emph{t}re also employs for exclusive processes, and includes the transverse and longitudinal qq̅ contributions together with the qq̅g Fock state that dominates at large M_X. The partonic diffractive system is hadronised with \pythia, giving fully exclusive hadronic final states. We compare to the combined H1 and ZEUS inclusive diffractive measurements and to diffractive D^* production, and present predictions for the Electron-Ion Collider. This makes Sar\emph{t}re the only event generator providing inclusive diffractive DIS in small-x for both ep and eA collisions.
ER  -