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The existence of a dilaton as a pseudo-Nambu-Goldstone boson in spontaneousbreaking of scale symmetry is predicted in beyond standard model theories inwhich electroweak symmetry is broken via strongly coupled conformal dynamics.Such a particle is expected to have a mass below the conformal symmetrybreaking scale $f$ and couplings to standard model particles similar to thoseof the SM Higgs boson. In this paper we estimate, for the first time, thedilaton production in exclusive processes considering Pomeron - Pomeron ($\pom\pom$) and photon - photon ($\gamma \gamma$) interactions, which arecharacterized by two rapidity gaps and intact hadrons in the final state. Ourresults indicate that if the dilaton is massive ($M_{\chi} \ge 2 M_W$), thestudy of dilaton production by $\pom \pom$ interactions in $pp$ collisions canbe useful to determine its mass and the conformal energy scale.

Probing the dilaton in central exclusive processes at the LHC