2003/05/19 by J. Besprosvany · 5 citations
Physics and Astronomy · #Context (archaeology) #Coupling (piping) #Coupling constant #Effective field theory #Electroweak interaction #Electroweak scale #Elementary particle #Grand Unified Theory #Neutrino Physics Research #Particle physics #Particle physics theoretical and experimental studies #Physics #Physics beyond the Standard Model #Quantum Chromodynamics and Particle Interactions #Standard Model (mathematical formulation) #Supersymmetry #Theoretical physics #Unified field theory #hep-ph #hep-th
paper · pdf · doi:10.1142/s0217732303011642
published in Modern Physics Letters A 18(27), 1877-1885 (World Scientific) · 12 pages, 17 references
arxiv created 2003/05/19 · openalex publication_date 2003/08/27 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
A coupling-constant definition is given based on the compositeness property of some particle states with respect to the elementary states of other particles. It is applied in the context of the vector-spin-1/2-particle interaction vertices of a field theory, and the standard model. The definition reproduces Weinberg's angle in a grand-unified theory. One obtains coupling values close to the experimental ones for appropriate configurations of the standard-model vector particles, at the unification scale within grand-unified models, and at the electroweak breaking scale.