of Fig. \[fig:2\] by a factor of roughly 0.05. At the LHC the suppression factor[^7] $\langle S^2\rangle$ is 0.026.

Since the amount of suppression depends on the impact parameter $\vec b$, it leads to a characteristic dependence of the factor $S^2$ on the angle $\phi$ between the outgoing protons [@a17]. This is related to the fact that $\vec b$ is the Fourier conjugate to the vector $\vec q = \vec p_{3\perp} - \vec p_{4\perp}$. If the outgoing protons are tagged, then the characteristic peripheral form of the amplitude $T^h$ in $\vec b$-space can be studied experimentally in double-Pomeron-exchange processes by measuring the dependence of the cross section on $\vec q$.

We emphasize that the suppression $S^2$, due to absorptive or rescattering corrections, depends not only on the particular process, but also on the kinematical cuts which select events in a given $p_{i\perp},\phi$ domain. Therefore the suppression $S^2$ has to be calculated for each particular kinematical configuration.

Comparison of exclusive diffractive $h(0^\pm)$ Higgs production {#sec:4a}
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So far we have discussed absorptive corrections for $h(0^+)$ production. Here we compare these corrections with those for $h(0^-)$ production. For $h(0^-)$ production we predict a different $\vec q$ behaviour. This originates from [(\[eq:ocelot\])]{}; the 