Type

Journal Article

Authors

Michael James Peardon

Subjects

Mathematics

Topics
vacuum dependence experiments pure applied mathematics elements branching anisotropic lattices finite volume

Glueball matrix elements on anisotropic lattices (2004)

Abstract The glueball-to-vacuum matrix elements of local gluonic operators in scalar, tensor, and pseudoscalar channels are investigated numerically on several anisotropic lattices with the spatial lattice spacing in the range 0.1fm ? 0.2fm. These matrix elements are needed to predict the glueball branching ratios in J/ radiative decays which will help to identify the glueball states in experiments. Two types of improved local gluonic operators are constructed for a self-consistent check, and the finite volume effects are also studied. The lattice spacing dependence of our results is very small and the continuum limits are reliably extrapolated
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Full list of authors on original publication

Michael James Peardon

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Michael James Peardon
Trinity College Dublin
Total Publications: 64