The Alignment of the Vacuum in Theories of Technicolor

Peskin, Michael E.

doi:10.1016/0550-3213(80)90051-6

The Alignment of the Vacuum in Theories of Technicolor

Michael E. Peskin
(
- Saclay and
- Harvard U.
)

Apr, 1980

37 pages

Published in:

Nucl.Phys.B 175 (1980) 197-233

Published: 1980

DOI:

10.1016/0550-3213(80)90051-6

Report number:

SACLAY-DPH-T-80-46

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Abstract: (Elsevier)

We study a class of models of dynamical weak-interaction symmetry breaking suggested by the work of Weinberg and Susskind. We demonstrate in these models some simple relations which determine the alignment of weakly gauged subgroups and the masses of pseudo-Goldstone bosons. We illustrate these methods by computing the spectrum of pseudo-Goldstone bosons in three models recently examined by Dimopoulos. These models are seen to contain a very light charged Higgs boson, whose mass we estimate by the use of chiral perturbation theory. In one of these models, we observe that the energetically preferred vacuum is a phenomenologically unpleasant one.

DYNAMICAL SYMMETRY BREAKING
GAUGE FIELD THEORY: SU(2) X U(1)
FIELD THEORY: GOLDSTONE THEOREM
FIELD THEORY: VACUUM STATE
POSTULATED PARTICLE: HIGGS PARTICLE
PERTURBATION THEORY: CHIRAL
Salam-Weinberg model
STRONG INTERACTION
SYMMETRY: SU(N)
SYMMETRY: CHIRAL

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