Highly excited and exotic meson spectrum from dynamical lattice QCD - High Energy Physics - PhenomenologyReport as inadecuate




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Abstract: Using a new quark-field construction algorithm and a large variational basisof operators, we extract a highly excited isovector meson spectrum on dynamicalanisotropic lattices. We show how carefully constructed operators can be usedto reliably identify the continuum spin of extracted states, overcoming thereduced cubic symmetry of the lattice. Using this method we extract, withconfidence, excited states, states with exotic quantum numbers 0+-, 1-+ and2+- and states of high spin, including for the first time in lattice QCD,spin-four states.



Author: Jozef J. Dudek, Robert G. Edwards, Michael J. Peardon, David G. Richards, Christopher E. Thomas

Source: https://arxiv.org/



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