On the Stability of Electroweak Strings (New Version)

Details On the Stability of Electroweak Strings (New Version) On the Stability of Electroweak Strings (New Version)

1992-08-11

arxiv.org/abs/hep-ph/9208218v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

1 figure (not include d, available upon request). Use jnl and reforder macros

Scientific paper

We map the parameter space that leads to stable Z-vortices in the electroweak
model. For $sin^2 \theta_W = 0.23$, we find that the strings are unstable for a
Higgs mass larger than 24 GeV. Given the latest constraints on the Higgs mass
from LEP, this shows that, if the standard electroweak model is realized in
Nature, the Z-vortex (in the bare model) is unstable.

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