Quasi-Fixed Points and Charge and Colour Breaking in Low Scale Models

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  • 27 September 1999
Abstract
We show that the current LEP2 lower bound upon the benchmark MSSM lightest Higgs mass rules out quasi-fixed scenarios for string scales between 10^8 and 10^14 GeV. We consider the implications for charge and colour breaking (CCB) bounds in the MSSM, and demonstrate that CCB bounds from F and D-flat directions are significantly weakened. For scales less than 10^10 GeV these bounds become merely that degenerate scalar mass squareds are positive at the string scale

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