Search for Physics beyond Standard Model at the Precision Frontiers
A. Aleksejevs, S. Wu, S. Barkanova, Y. Bystritskiy, V. Zykunov
TL;DR
This paper reviews recent theoretical and computational advances in electroweak effects for interpreting precision experiments, focusing on potential new physics signals like the $Z'$-boson at the one-loop level.
Contribution
It introduces new computational methods for higher-order electroweak corrections and analyzes the impact of hypothetical particles on experimental observables.
Findings
Higher-order electroweak effects are crucial for precision measurements.
$Z'$-boson can significantly alter polarization asymmetry predictions.
New physics signatures can be probed through loop-level effects.
Abstract
The article outlines the recent developments in the theoretical and computational approaches to the higher-order electroweak effects needed for the accurate interpretation of MOLLER and Belle II experimental data, and shows how new-physics particles enter at the one-loop level. By analyzing the effects of -boson on the polarization asymmetry, we show how this hypothetical interaction carrier may influence the future experimental results.
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