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PreprintCC BY 4.0arXiv

Radiative pion-pair production in disperon QED

  • Yizhou Fang
  • Sophie Kollatzsch
  • Adrian Signer
  • Max Zoller
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Abstract

Based on the previously developed disperon QED method for incorporating data input into loop processes in Monte Carlo codes, we calculate ee→ππγ at NLO and include the pion vector form factor within the form-factor scalar QED approximation wherever it is physically justified. By also considering contributions beyond, for which the form-factor scalar QED approach is less well justified, we gain insight into the associated theory uncertainty for selected experimental scenarios. All calculations are implemented and made available within the Monte Carlo framework McMule.

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Cite

BibTeXRIS
BibTeX
@misc{fang2026radiative,
  title = {{Radiative pion-pair production in disperon QED}},
  author = {Yizhou Fang and Sophie Kollatzsch and Adrian Signer and Max Zoller},
  howpublished = {arXiv},
  year = {2026},
  month = sep,
  doi = {10.48550/arxiv.2609.00912},
  eprint = {2609.00912},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2609.00912},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - Radiative pion-pair production in disperon QED
AU  - Yizhou Fang
AU  - Sophie Kollatzsch
AU  - Adrian Signer
AU  - Max Zoller
PY  - 2026
DA  - 2026/09/01
PB  - arXiv
DO  - 10.48550/arxiv.2609.00912
UR  - https://arxiv.org/abs/2609.00912
AB  - Based on the previously developed disperon QED method for incorporating data input into loop processes in Monte Carlo codes, we calculate ee→ππγ at NLO and include the pion vector form factor within the form-factor scalar QED approximation wherever it is physically justified. By also considering contributions beyond, for which the form-factor scalar QED approach is less well justified, we gain insight into the associated theory uncertainty for selected experimental scenarios. All calculations are implemented and made available within the Monte Carlo framework McMule.
ER  -