Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1998-08-19
Phys.Rev. D59 (1999) 015010
Physics
High Energy Physics
High Energy Physics - Phenomenology
10 page Revtex file plus 2 PS figures
Scientific paper
10.1103/PhysRevD.59.015010
Because of their Yukawa interactions, third generation squarks may be substantially lighter than those of the first two generations. Assuming that $\tb_1 \to b\tz_1$ and $\tz_1$ escapes experimental detection, we show that experiments at the Main Injector upgrade (integrated luminosity of $2 fb^{-1}$) of the Tevatron should be sensitive to $b$-squark masses up to 210 GeV for $m_{\tz_1} \leq 120$ GeV. For integrated luminosities of $10 fb^{-1}$ (25 $fb^{-1}$) the sbottom mass reach increases by 20 GeV (35 GeV). If the channel $\tb_1 \to b\tz_2$ is also accessible, the reach becomes model-dependent and may be degraded relative to the case where only the decay to $\tz_1$ is allowed. In models with gaugino mass unification and $\mu$ much larger than gaugino masses, we argue that this degradation is unlikely to be larger than 30-40 GeV.
Baer Howard
Mercadante Pedro G.
Tata Xerxes
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