Reconstruction of Basic Parameters from Chargino Production
S.Y. Choi (KIAS), J. Kalinowski (IFT Uw)
TL;DR
This paper presents a method to determine fundamental SUSY parameters from chargino production at e+e- colliders by analyzing cross sections, asymmetries, and decay correlations, enabling a model-independent extraction of key parameters.
Contribution
It introduces a novel approach to extract gaugino-higgsino mixing angles and SUSY parameters M_2, μ, and tanβ from experimental measurements of chargino production.
Findings
Fundamental SUSY parameters can be uniquely determined.
Polarized beams and angular correlations improve parameter extraction.
Method is model independent.
Abstract
The event characteristics of chargino pair production at e+e- collisions are explored to determine gaugino-higgsino mixing angles. We demonstrate that by measuring total cross sections and left-right asymmetries with polarized beams or angular correlations among chargino decay products the fundamental SUSY parameters M_2, \mu and tan(beta) can be uniquely determined in a model independent way.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Particle Accelerators and Free-Electron Lasers · Particle Detector Development and Performance