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A strong first order phase transition in the UMSSM (1009.4577v1)
Published 23 Sep 2010 in hep-ph
Abstract: In this work, the electroweak phase transition (EWPT) strength has been investigated within the $U(1)$ extended Minimal Supersymmetric Standard Model (UMSSM) without introducing any exotic fields. We found that the EWPT could be strongly first order for reasonable values of the lightest Higgs and neutralino masses.
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