Squarks and sphalerons

Details Squarks and sphalerons Squarks and sphalerons

1996-11-30

arxiv.org/abs/hep-ph/9612212v1

Phys.Lett.B395:234-240,1997

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, LateX + psfig.sty, 1 figure

Scientific paper

10.1016/S0370-2693(97)00058-0

Electric charge and color breaking minima along third generation squark directions do appear in the Minimal Supersymmetric Standard Model for particular regions of the corresponding supersymmetric parameters $A_t$, $\mu$, $\tan\beta$, $m_Q^2$ and $m_U^2$. We have studied possible instabilities of electroweak sphalerons along non-trivial squark configurations. We have found that instabilities along the latter lie in the region of parameter space where the electroweak minimum is not the global one. Thus charge and color conservation imply that the standard electroweak sphaleron is not destabilized along squark directions.

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