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The non-perturbative nature of Quantum Chromodynamics (QCD) at low energieshas prompted the expectation that the gauge-bosons of QCD -- gluons -- mightgive rise to compound objects denoted as glueballs. Experimental signals forglueballs have represented a matter of research for various collaborations inthe last decades; future research in this direction is a main endeavour plannedby the PANDA Collaboration at FAIR. Hence in this article I review some of theoutstanding issues in the glueball search, particularly with regard to theground state -- the scalar glueball, and discuss the relevance for PANDA atFAIR.

Mesons, PANDA and the scalar glueball