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Title: Glueball matrix elements on anisotropic lattices
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Keywords: Pure & Applied Mathematics
Issue Date: 2004
Publisher: Elsevier
Citation: Chen, Y., Dong, S. J., Draper, T., Horvath, I., Lee, F. X., Mathur, N., Morningstar, C., Peardon, M., Young, B. L., Zhang, J. B. ‘Glueball matrix elements on anisotropic lattices’ in Nuclear Physics B - Proceedings Supplements, 129-130, 2004, pp 203 - 205
Series/Report no.: Nuclear Physics B - Proceedings Supplements
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
Description: PUBLISHED
ISSN: 0920-5632
Appears in Collections:Pure & Applied Mathematics (Scholarly Publications)

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