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نویسندگان
چکیده
The QED initial state corrections are calculated to the forward-backward asymmetry for $e^+e^- \rightarrow \gamma^*/{Z^{0}}^*$ in leading logarithmic approximation $O(\alpha^6 L^6)$ extending known up $O(\alpha^2 L^2)$ analytic form. We use method of massive on-shell operator matrix elements and present radiators both Mellin-$N$ momentum fraction $z$-space. Numerical results presented various energies around $Z$-peak by also including energy cuts. These relevance precision measurements at FCC$\_$ee.
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ژورنال
عنوان ژورنال: Physics Letters B
سال: 2021
ISSN: ['0370-2693', '1873-2445']
DOI: https://doi.org/10.1016/j.physletb.2021.136250