Speaker
Prof.
Kingman Cheung
(Natl Tsing Hua Univ)
Description
The dominance of $h\to \eta \eta$ decay mode for the intermediate mass
Higgs boson is highly motivated to solve the little hierarchy
problem and to ease the tension with the precision data.
However, the discovery modes for $m_h \alt 150$ GeV,
$h \to \gamma\gamma$ and $W/Z h \to (\ell\nu/\ell \bar \ell) (b\bar b)$,
will be substantially affected.
We show that $h \to \eta \eta \to 4b$ is complementary
and we can use this decay mode to detect the intermediate
Higgs boson at the LHC, via $Wh$ and $Zh$ production.
Requiring at least one charged lepton and 4 $B$-tags in the final state, we
can identify a clean Higgs boson signal for $m_h \alt 150$ GeV
with a high significance and with a full Higgs mass
reconstruction.
We use the next-to-minimal supersymmetric standard model and the
simplest little Higgs model for illustration.
Author
Prof.
Kingman Cheung
(Natl Tsing Hua Univ)
