Low-energy $e^+\,e^-\toγ\,γ$ at NNLO in QED
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866911456431177728 |
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| author | Engel, Tim Rocco, Marco Signer, Adrian Ulrich, Yannick |
| author_facet | Engel, Tim Rocco, Marco Signer, Adrian Ulrich, Yannick |
| contents | We present a fully differential computation of $e^+\,e^-\toγ\,γ$ at next-to-next-to-leading order in QED. The process has been implemented into McMule, completing its set of next-to-next-to-leading-order calculations for the most important $2 \to 2$ processes. The results allow for generic applications to electron-positron colliders with centre-of-mass energies up to a few GeV, particularly for luminosity measurements. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2512_22929 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Low-energy $e^+\,e^-\toγ\,γ$ at NNLO in QED Engel, Tim Rocco, Marco Signer, Adrian Ulrich, Yannick High Energy Physics - Phenomenology High Energy Physics - Experiment We present a fully differential computation of $e^+\,e^-\toγ\,γ$ at next-to-next-to-leading order in QED. The process has been implemented into McMule, completing its set of next-to-next-to-leading-order calculations for the most important $2 \to 2$ processes. The results allow for generic applications to electron-positron colliders with centre-of-mass energies up to a few GeV, particularly for luminosity measurements. |
| title | Low-energy $e^+\,e^-\toγ\,γ$ at NNLO in QED |
| topic | High Energy Physics - Phenomenology High Energy Physics - Experiment |
| url | https://arxiv.org/abs/2512.22929 |