Stable(ct50 ns) strange quark matter has not been detected at the level -10%per central Au+Pb collisions! E886 10 E878 Z<0 Z=0 Z>0 10 10 6 10 10 10 E864 Final 10 25 5O 255D0 25 5o Mass (Gev/c) Mass(Gev/c) Mass(Gev/c)E878 E886 E864 Final Stable (ct>50 ns) strange quark matter has not been detected at the level ~10-9 per central Au+Pb collisions !