Abstract
Abstract
Two-loop electroweak corrections to polarized Møller scattering are studied in two different schemes at low energies. We find the finite Q2 corrections to be well under control. The hadronic and perturbative QCD corrections to the γZ two-point function are incorporated through the weak mixing angle at low energies, which introduce an error of 0.08 × 10−3 in the weak charge of the electron $$ {Q}_W^e $$
Q
W
e
. Furthermore, by studying the scheme dependence, we obtain an estimate of the current perturbative electroweak uncertainty, $$ \delta {Q}_W^e $$
δ
Q
W
e
≈ 0.23 × 10−3, which is five times smaller than the precision estimated for the MOLLER experiment ($$ \delta {Q}_W^e $$
δ
Q
W
e
= 1.1 × 10−3). Future work is possible to reduce the theory error further.
Publisher
Springer Science and Business Media LLC
Subject
Nuclear and High Energy Physics
Reference32 articles.
1. MOLLER collaboration, The MOLLER experiment: an ultra-precise measurement of the weak mixing angle using Møller scattering, arXiv:1411.4088 [INSPIRE].
2. SLAC E158 collaboration, Precision measurement of the weak mixing angle in Møller scattering, Phys. Rev. Lett. 95 (2005) 081601 [hep-ex/0504049] [INSPIRE].
3. E. Derman and W.J. Marciano, Parity violating asymmetries in polarized electron scattering, Annals Phys. 121 (1979) 147 [INSPIRE].
4. A. Czarnecki and W.J. Marciano, Electroweak radiative corrections to polarized Møller scattering asymmetries, Phys. Rev. D 53 (1996) 1066 [hep-ph/9507420] [INSPIRE].
5. Y. Du, A. Freitas, H.H. Patel and M.J. Ramsey-Musolf, Parity-violating Møller scattering at next-to-next-to-leading order: closed fermion loops, Phys. Rev. Lett. 126 (2021) 131801 [arXiv:1912.08220] [INSPIRE].
Cited by
1 articles.
订阅此论文施引文献
订阅此论文施引文献，注册后可以免费订阅5篇论文的施引文献，订阅后可以查看论文全部施引文献