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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2601.01615 |
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| _version_ | 1866908747352244224 |
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| author | Reed, Brendan T. Horowitz, C. J. |
| author_facet | Reed, Brendan T. Horowitz, C. J. |
| contents | In a recent letter Roca-Maza and Jakubassa-Amundsen claim a large $\approx 5\%$ radiative correction to the parity-violating asymmetry $A_{pv}$ in electron-nucleus scattering. If true, this would be important for the interpretation of the PREX, CREX, and MREX experiments. However, Roca-Maza and Jakubassa-Amundsen do not explicitly include the axial-vector vertex correction to $Z^0$ exchange (at the momentum transfer of the experiment). We show that including this cancels much of the change in $A_{pv}$. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_01615 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Comment on QED Corrections to the Parity Violating Asymmetry in High-Energy Electron-Nucleus Scattering Reed, Brendan T. Horowitz, C. J. Nuclear Theory High Energy Physics - Phenomenology Nuclear Experiment In a recent letter Roca-Maza and Jakubassa-Amundsen claim a large $\approx 5\%$ radiative correction to the parity-violating asymmetry $A_{pv}$ in electron-nucleus scattering. If true, this would be important for the interpretation of the PREX, CREX, and MREX experiments. However, Roca-Maza and Jakubassa-Amundsen do not explicitly include the axial-vector vertex correction to $Z^0$ exchange (at the momentum transfer of the experiment). We show that including this cancels much of the change in $A_{pv}$. |
| title | Comment on QED Corrections to the Parity Violating Asymmetry in High-Energy Electron-Nucleus Scattering |
| topic | Nuclear Theory High Energy Physics - Phenomenology Nuclear Experiment |
| url | https://arxiv.org/abs/2601.01615 |