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PreprintCC BY 4.0arXiv

Lagrangian-based model of the e+e- → V V̅ process applied to the e+e- → D∗+ D∗− data

Abstract

Using the quantum field theory, we derive a Breit-Wigner-type formula for the e+ e- annihilation into a vector meson and its antiparticle, and relate the formula parameters to observable quantities. The formula's soundness is checked by fitting the e+ e- → D∗+D∗− data published by the BESIII Collaboration in 2022.

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BibTeX
@misc{lichard2026lagrangianbased,
  title = {{Lagrangian-based model of the $e^+e^- \to V \bar V$ process applied to the $e^+e^- \to D^\ast+ D^\ast-$ data}},
  author = {Peter Lichard},
  howpublished = {arXiv},
  year = {2026},
  month = sep,
  doi = {10.48550/arxiv.2607.04210},
  eprint = {2607.04210},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2607.04210},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - Lagrangian-based model of the e^+e^- → V V̅ process applied to the e^+e^- → D^∗+ D^∗− data
AU  - Peter Lichard
PY  - 2026
DA  - 2026/09/29
PB  - arXiv
DO  - 10.48550/arxiv.2607.04210
UR  - https://arxiv.org/abs/2607.04210
AB  - Using the quantum field theory, we derive a Breit-Wigner-type formula for the e^+ e^- annihilation into a vector meson and its antiparticle, and relate the formula parameters to observable quantities. The formula's soundness is checked by fitting the e^+ e^- → D^∗+D^∗− data published by the BESIII Collaboration in 2022.
ER  -