Constraints on new chiral fermions in the standard model

In the light of the new experimental data on standard-model parameters, we investigate the implications of new types of chiral fermions with masses above present experimental detection capabilities. We show that new chiral fermions may exist, but only under very special circumstances; one is {ital R...

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Veröffentlicht in:	Physical review. D, Particles and fields Particles and fields, 1990-09, Vol.42 (5), p.1692-1698
Hauptverfasser:	MINAHAN, J. A, RAMOND, P, WRIGHT, B. D
Format:	Artikel
Sprache:	eng
Schlagworte:	645201 - High Energy Physics- Particle Interactions & Properties-Theoretical- General & Scattering Theory 645300 - High Energy Physics- Particle Invariance Principles & Symmetries ALGEBRAIC CURRENTS CHIRAL SYMMETRY COLOR MODEL COMPOSITE MODELS CONSTRAINTS CURRENTS ELEMENTARY PARTICLES Exact sciences and technology Fermion systems and electron gas FERMIONS FLAVOR MODEL HIGGS BOSONS INVARIANCE PRINCIPLES ISOSPIN LIE GROUPS MASS MATHEMATICAL MODELS NEUTRAL CURRENTS P INVARIANCE PARTICLE MODELS PARTICLE PROPERTIES Physics PHYSICS OF ELEMENTARY PARTICLES AND FIELDS POSTULATED PARTICLES QUANTUM NUMBERS Quantum statistical mechanics QUARK MODEL STANDARD MODEL Statistical physics, thermodynamics, and nonlinear dynamical systems SU GROUPS SU-2 GROUPS SU-3 GROUPS SUPERSYMMETRY SYMMETRY SYMMETRY GROUPS U GROUPS U-1 GROUPS UNIFIED GAUGE MODELS
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