Towards Better Constraints on the Higgs Boson Mass: Two-Loop Fermionic Corrections to sin^2(theta_eff)

TL;DR

This paper presents the complete two-loop fermionic corrections to the effective weak mixing angle, improving the precision of indirect Higgs boson mass predictions within the Standard Model.

Contribution

It provides the full two-loop electroweak fermionic corrections to sin^2(theta_eff), enhancing theoretical accuracy for Higgs mass constraints.

Findings

Refined predictions for the Higgs boson mass

Improved theoretical calculations of sin^2(theta_eff)

Implications for electroweak precision tests

Abstract

The complete two-loop electroweak fermionic corrections to the effective leptonic weak mixing angle, sin^2(theta_eff), are now available. Here we shortly present the methods applied and illustrate the implications on indirect prediction for the Higgs boson mass within the standard model.