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- W3022000489 abstract "The scenario of light gluinos and light sbottoms was advocated to explain the discrepancy between the measured and theoretical production of $b$ quarks at the Tevatron. This scenario will have model-independent predictions for $Zensuremath{rightarrow}qoverline{q}stackrel{texttildelow{}}{g}stackrel{texttildelow{}}{g}$ at the ${Z}^{0}$ pole, and ${e}^{+}{e}^{ensuremath{-}}ensuremath{rightarrow}qoverline{q}stackrel{texttildelow{}}{g}stackrel{texttildelow{}}{g}$ at LEPII. We show that the data for $Zensuremath{rightarrow}qoverline{q}{g}^{*}ensuremath{rightarrow}qoverline{q}boverline{b}$ at LEPI cannot constrain the scenario, because the ratio $ensuremath{Gamma}(Zensuremath{rightarrow}qoverline{q}stackrel{texttildelow{}}{g}stackrel{texttildelow{}}{g})/ensuremath{Gamma}(Zensuremath{rightarrow}qoverline{q}{g}^{*}ensuremath{rightarrow}qoverline{q}boverline{b})=0.15--0.04$ for ${m}_{stackrel{texttildelow{}}{g}}=12--16text{ }mathrm{G}mathrm{e}mathrm{V}$ is smaller than the uncertainty of the data. However, at LEPII the ratio $ensuremath{sigma}({e}^{+}{e}^{ensuremath{-}}ensuremath{rightarrow}qoverline{q}stackrel{texttildelow{}}{g}stackrel{texttildelow{}}{g})/ensuremath{sigma}({e}^{+}{e}^{ensuremath{-}}ensuremath{rightarrow}qoverline{q}{g}^{*}ensuremath{rightarrow}qoverline{q}boverline{b})ensuremath{simeq}0.4--0.2$ for ${m}_{stackrel{texttildelow{}}{g}}=12--16text{ }mathrm{G}mathrm{e}mathrm{V}$, which may give an observable excess in $qoverline{q}boverline{b}$ events; especially, the $4b$ events." @default.
- W3022000489 created "2020-05-13" @default.
- W3022000489 creator A5051007262 @default.
- W3022000489 creator A5082692539 @default.
- W3022000489 date "2002-11-12" @default.
- W3022000489 modified "2023-10-18" @default.
- W3022000489 title "Light Gluino, Light Bottom Squark Scenario, and LEP Predictions" @default.
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- W3022000489 doi "https://doi.org/10.1103/physrevlett.89.221801" @default.
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