A method of diagonalization for sfermion mass matrices
Alfredo Aranda, J. Lorenzo Diaz-Cruz, R. Noriega-Papaqui
TL;DR
This paper introduces an analytical diagonalization method for sfermion mass matrices in the MSSM, enabling detailed analysis of flavor mixing and FCNC processes beyond constrained models.
Contribution
It provides explicit formulas for masses and mixing angles of general hermitian sfermion matrices, extending the analysis capabilities in supersymmetric models.
Findings
Analytical expressions for sfermion masses and mixings
Application to flavor-changing neutral current processes
Extension beyond constrained MSSM scenarios
Abstract
We present a method of diagonalization for the sfermion mass matrices of the minimal supersymmetric standard model (MSSM). It provides analytical expressions for the masses and mixing angles of rather general hermitian sfermion mass matrices, and allows the study of scenarios that extend the usual constrained - MSSM. Three signature cases are presented explicitly and a general study of flavor changing neutral current processes is outlined in the discussion.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Quantum Chromodynamics and Particle Interactions · Dark Matter and Cosmic Phenomena