Abstract
The correlation between the two $\tau$-polarisations is predicted to be
opposite $(+-/-+)$ for the $H/A \tau^+\tau^-$ signal, while it corresponds
to the same sign combinations for the Drell-Yan $(++/--)$ and $t t$ $(--)$
backgrounds. We show that this correlation can serve as a distinctive test to
confirm the presence of the MSSM Higgs bosons $H$ and $A$ in their hadronic
$\tau^+\tau^-$ decay channels at the LHC.
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