  The conventional signature for grand unified theories (GUT) is the proton
decay. Recently, some models in extra dimensions or with specific discrete
symmetries, which aim at solving the doublet-triplet problem, allow the
color-triplet in the TeV mass region by suppressing the Yukawa couplings of the
triplets to matter fermions. We study the hadronic production and detection of
these TeV colored Higgs bosons as an alternative signature for GUT, which would
behave like massive stable charged particles in particle detectors producing a
striking signature of a charged track in the central tracking system and being
ionized in the outer muon chamber. We found that the LHC is sensitive to a
colored Higgs boson up to about 1.5 TeV. If the color-triplets are stable in
cosmological time scale, they may constitute an interesting fraction of the
dark matter.
