Can an invisible Higgs boson be seen via diffraction at the LHC?
Abstract
We study the possibility of observing an `invisible' Higgs boson in central exclusive diffractive production at the LHC. We evaluate the cross section using, as a simple example, the Standard Model with a heavy fourth generation, where the invisible decay mode
H→
ν
4
ν
¯
4
dominates, with the heavy neutrino mass
M(
ν
4
)≃50
GeV. We discuss the possible requirements on trigger conditions and the background processes.