2012

Looking for an Invisible Higgs Signal at the LHC

Ghosh, Diptimoy, Godbole, Rohini, Guchait, Monoranjan et al.

Understand

While the recent discovery of a Higgs-like boson at the LHC is an extremely important and encouraging step towards the discovery of the {\it complete} standard model(SM), the current information on this state does not rule out possibility of beyond standard model (BSM) physics.

In fact the current data can still accommodate reasonable values of the branching fractions of the Higgs into a channel with `invisible' decay products, such a channel being also well motivated theoretically.
In this study we revisit the possibility of detecting the Higgs in this invisible channel for both choices of the LHC energies, 8 and 14 TeV, for two production channels; vector boson fusion(VBF) and associated production($ZH$).
In the latter case we consider decays of the $Z$ boson into a pair of leptons as well as a $b \bar b$ pair.

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