Poster presented by Ines Wetzorke
Topic: QCD Spectrum and Quark Masses
Further Evidence for an unstable H-Dibaryon
Abstract: We present preliminary results for the mass of the 6q flavor-singlet state ($J^P=0^+$, $S=-2$) called H-dibaryon, calculated in quenched QCD on $16^3$x30 and $24^3$x30 lattices with improved gauge and fermion actions (Symanzik improvement, Clover action). On the larger lattice we applied the fuzzing technique to enhance the overlap with the ground state. We observe a H-mass above the $\Lambda\Lambda$ threshold for strong decay.