Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1995-07-12
Phys.Lett. B357 (1995) 624-629
Physics
High Energy Physics
High Energy Physics - Phenomenology
12 pages, TeX using harmac macros; two uuencoded figures
Scientific paper
10.1016/0370-2693(95)00960-S
I discuss production and detection at the Tevatron $\pbarp$ collider of pairs of light ($\mpi = 100$--$200\,\gev$) color--singlet technipions that are expected in all nonminimal models of technicolor. Gluon fusion production rates can be as large as $\CO(1\,\pb)$. Topcolor--assisted technicolor is required to prevent top quarks from decaying as $t \ra \tpip b$. An intriguing consequence of this is that the decays $\tpip \ra \tau^+ \nu_\tau$, $c \ol s$ and $\tpiz \ra b \ol b$ may also be suppressed so that $\tpip \ra W^+ \gamma$ and $\tpiz \ra \gamma\gamma$ are significant. These modes have spectactular signatures at the Tevatron.
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