Cascade Baryon Spectrum from Lattice QCD

Details Cascade Baryon Spectrum from Lattice QCD Cascade Baryon Spectrum from Lattice QCD

2008-11-10

arxiv.org/abs/0811.1400v1

PoS LATTICE2008:125,2008

Physics

High Energy Physics

High Energy Physics - Lattice

7 pages, talk presented at XXVI International Symposium on Lattice Field Theory (Lattice 2008), July 14-19, 2008, Williamsburg

Scientific paper

A comprehensive study of the cascade baryon spectrum using lattice QCD affords the prospect of predicting the masses of states not yet discovered experimentally, and determining the spin and parity of those states for which the quantum numbers are not yet known. The study of the cascades, containing two strange quarks, is particularly attractive for lattice QCD in that the chiral effects are reduced compared to states composed only of u/d quarks, and the states are typically narrow. We report preliminary results for the cascade spectrum obtained by using anisotropic N_f = 2 Wilson lattices with temporal lattice spacing inverse 5.56 GeV.

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