Heavy quark asymmetries with DELPHI
Ernesto Migliore (CERN)
TL;DR
This paper reviews DELPHI's precise measurements of forward-backward asymmetries in Z boson decays to charm and bottom quarks, highlighting their impact on the global electroweak fit and the determination of sin^2(theta)_W.
Contribution
It presents a comprehensive review of DELPHI's three analyses of quark asymmetries and their influence on electroweak parameter constraints.
Findings
Precise measurements of asymmetries in Z -> ccbar and Z -> bbbar decays.
Significant contribution to the global electroweak fit.
Refined determination of sin^2(theta)_W.
Abstract
The measurements of the forward-backward asymmetry in Z -> c cbar and Z -> b bbar decays are among the most precise determinations of sin^2(theta)_W. In this paper the results obtained by the DELPHI experiment at LEP with three different analyses are reviewed together with the impact of the combined LEP result on the global Electroweak fit.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Computational Physics and Python Applications · Quantum Chromodynamics and Particle Interactions