Production of ${}_{\Lambda }^{3}H$ and ${}_{\Lambda }^{4}H$ in Central 11.5 GeV/c Au + Pt Heavy Ion Collisions

E864 Collaboration

We present measurements from BNL AGS Experiment E864 of the ${}_{\Lambda }^{3}H$ invariant multiplicity and of the 90% Confidence Level upper limit on the ${}_{\Lambda }^{4}H$ yield in central 11.5 A Ge…