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Computation of correlation matrices for tetraquark candidates with $J^P = 0^+$ and flavor structure $q_1 \bar{q_2} q_3 \bar{q}_3$

2016
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Proceedings of The 33rd International Symposium on Lattice Field Theory — PoS(LATTICE 2015)
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unpublished

The conjecture that several recently observed mesons have a structure, which is not dominated by an ordinary quark-antiquark pair, but by a four-quark structure, is being actively investigated both theoretical and experimentally. Such a state may be characterized as a mesonic molecule or as a diquark-antidiquark pair. Lattice QCD provides a theoretically sound framework to study such states. To quantitatively investigate the internal structure of such mesons, one needs to precisely compute

doi:10.22323/1.251.0096
fatcat:yc4acesne5fhhnetg5ji7wyxg4