Strange Quark Matter Stability Stable SQM-- ground State of QCD >1116 MeV unstable Stability M/Baryon[ [940, 1116]Mev Weak 03219 E Farhi and r L Jaffe, Phys. Rev. D30, 2379. Theoretical Prediction of stable particles often not reliable Particle mass c a few 1000 mev Binding energy a few mev(deuteron) No QCD or Phenomenological calculation has better than 1% accuracyStrange Quark Matter Stability Stable SQM -- Ground State of QCD > 1116 MeV unstable Stability M/Baryon [940,1116] MeV Weak <940 MeV Stable { Witten, Phys. Rev. D30, 272 (1984) E. Farhi and R.L. Jaffe, Phys. Rev. D30, 2379. Theoretical Prediction of Stable Particles Often not Reliable -- Particle Mass ~ a few 1000 MeV -- Binding Energy a few MeV (deuteron) No QCD or Phenomenological calculation has better than 1% accuracy !