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The top-down holographic Witten-Sakai-Sugimoto model for low-energy QCD,augmented by finite quark masses, has recently been found to be able toreproduce the decay pattern of the scalar glueball candidate f0(1710) on aquantitative level. In this Letter we show that this model predicts a narrowpseudoscalar glueball heavier than the scalar glueball and with a veryrestricted decay pattern involving eta or eta' mesons. Production should beeither in pairs or in association with eta(') mesons. We discuss the prospectof discovery in high-energy hadron collider experiments through centralexclusive production by comparing with eta' pair production.

Holographic QCD predictions for production and decay of pseudoscalar glueballs