Multi-hadron operators with all-to-all quark propagators

Details Multi-hadron operators with all-to-all quark propagators Multi-hadron operators with all-to-all quark propagators

2008-10-03

arxiv.org/abs/0810.0730v1

PoS LATTICE2008:100,2008

Physics

High Energy Physics

High Energy Physics - Lattice

7 pages, 6 figures, talk presented at the XXVI International Symposium on Lattice Field Theory, July 14-19, 2008, Williamsburg

Scientific paper

Hadron spectroscopy on dynamical configurations are faced with the difficulties of dealing with the mixing of single particle states and multi-hadron states (for large spatial volumes and light dynamical quarks masses). It is conceivable that explicit multi-hadron interpolating operators will be necessary for obtaining sufficiently good overlap onto multi-hadron states in order to extract the low-lying excitation spectrum. We explore here the feasibility of using four noise diluted all-to-all quark propagators in the construction of explicit two-hadron operators on quenched, anisotropic lattices. Our longer term goal is to use these operators on large anisotropic, dynamical configurations for hadron spectroscopy.

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