Preliminary results of the heavy-light meson spectrum using chirally improved light quarks

Details Preliminary results of the heavy-light meson spectrum using chirally improved light quarks Preliminary results of the heavy-light meson spectrum using chirally improved light quarks

2004-08-25

arxiv.org/abs/hep-lat/0408038v2

Physics

High Energy Physics

High Energy Physics - Lattice

3 pages, 1 figure, Lattice2004(spectrum), minor corrections added

Scientific paper

10.1016/j.nuclphysbps.2004.11.18

Using a ``wall'' of quark point sources, we invert the chirally improved Dirac operator to create an ``incoherent'' collection of quark propagators which originate from all spatial points of the source time slice. The lowest-order NRQCD approximation is used to create heavy-quark propagators from the same wall source. However, since the numerical cost involved in computing such heavy-quark propagators is low, we are able to use a number of source gauge paths to establish coherence between the heavy and light quarks at several spatial separations. The resulting collection of heavy-light meson correlators is analyzed to extract the corresponding mass spectrum.

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