Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1993-08-03
Phys.Lett. B317 (1993) 569-572
Physics
High Energy Physics
High Energy Physics - Phenomenology
(Latex file, 8 pages, No figures) Ioannina preprint, July 1993, IOA.295/93
Scientific paper
10.1016/0370-2693(93)91374-V
Exact low energy expressions are derived for the top-squark and higgs masses, taking into account radiative contributions due to a heavy top quark. Their masses are expressed as analytic functions of $m_{1/2}$, $m_{3/2}$, $m_t$ and $sin\beta$. Constraints from the radiative symmetry breaking mechanism are used then, to put lower bounds on the top-quark mass $m_t$. In particular, when $m_{3/2}\gg m_{1/2}$, we obtain the bound $m_t \ge 150sin\beta GeV$, while in the case of $m_{3/2}\equiv 0$, we obtain $m_t \ge 80sin\beta GeV$.
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