A new signal for scalar top bound state production

Abstract

We study the production and decay of a scalar \stst\ bound state \sigst\ at hadron supercolliders, where \st\ is the lighter stop eigenstate. If \st\ has no tree--level 2--body decays, the dominant decay modes of \sigst\ are $gg$ or, if $m_h < \mst \ll \mstt$, a pair of light scalar Higgs bosons $h$. Nevertheless the branching ratio into two photons is often large enough to yield a detectable signal.

arXiv comment7 pages plus 3 figures (not included, available from DREES@WISCPHEN as fax or PS file), LaTeX with EQUATION.STY; MAD/PH/795, KEK-TH-373

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