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Peer-reviewedCC BYPhysical review. D/Physical review. D.

Complete two-loop unrenormalized electroweak corrections to e + e − → H Z

  • Xiang Chen1
  • Xin Guan1
  • Chuan-Qi He1,2
  • Li Zhao3,1,4
  • Xiao Liu5
  • Yan-Qing Ma1
5 affiliations
  1. 1Peking University
  2. 2South China Normal University
  3. 3Institute of High Energy Physics
  4. 4University of Chinese Academy of Sciences
  5. 5Clarendon Laboratory
Open at sourceDOICite

Abstract

We compute the complete two-loop unrenormalized electroweak corrections to the Higgsstrahlung process e + e − → H Z at future Higgs factories. Our result for a given center-of-mass energy is expressed as a piecewise function defined by several deeply expanded power series, which has high precision and can be further manipulated efficiently. We find that the finite part of the unrenormalized two-loop electroweak corrections can contribute a few thousandths, which might indicate their importance to match the precision of future Higgs factories. This work represents the first complete calculation of the unrenormalized two-loop electroweak corrections for processes with four external particles.

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Cite

BibTeXRIS
BibTeX
@article{chen2026complete,
  title = {{Complete two-loop unrenormalized electroweak corrections to e + e − → H Z}},
  author = {Xiang Chen and Xin Guan and Chuan-Qi He and Li Zhao and Xiao Liu and Yan-Qing Ma},
  journal = {Physical review. D/Physical review. D.},
  year = {2026},
  month = jun,
  doi = {10.1103/5ssz-gr6j},
  url = {https://doi.org/10.1103/5ssz-gr6j},
  note = {CC BY},
}
RIS
TY  - JOUR
TI  - Complete two-loop unrenormalized electroweak corrections to e + e − → H Z
AU  - Xiang Chen
AU  - Xin Guan
AU  - Chuan-Qi He
AU  - Li Zhao
AU  - Xiao Liu
AU  - Yan-Qing Ma
PY  - 2026
DA  - 2026/06/09
JO  - Physical review. D/Physical review. D.
DO  - 10.1103/5ssz-gr6j
UR  - https://doi.org/10.1103/5ssz-gr6j
AB  - We compute the complete two-loop unrenormalized electroweak corrections to the Higgsstrahlung process e + e − → H Z at future Higgs factories. Our result for a given center-of-mass energy is expressed as a piecewise function defined by several deeply expanded power series, which has high precision and can be further manipulated efficiently. We find that the finite part of the unrenormalized two-loop electroweak corrections can contribute a few thousandths, which might indicate their importance to match the precision of future Higgs factories. This work represents the first complete calculation of the unrenormalized two-loop electroweak corrections for processes with four external particles.
SN  - 2470-0010
SN  - 2470-0029
SN  - 2470-0037
ER  -