학술논문

Precision Observables and Electroweak Theories
Document Type
Journal Article
Author
Source
Physical Review Letters; 84; 7; Other Information: PBD: 14 Feb 2000
Subject
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS STANDARD MODEL
SYMMETRY BREAKING
LAGRANGIAN FIELD THEORY
CHIRAL SYMMETRY
SU-2 GROUPS
U-1 GROUPS
THEORETICAL DATA
Language
English
ISSN
0031-9007
Abstract
We compute the bounds from precision observables on alternative theories of electroweak symmetry breaking. We show that a cutoff as large as 3 TeV can be accommodated by the present data, without any new particles or unnatural fine tuning. (c) 2000 The American Physical Society.