Formation and lifetime measurements of light hypernuclei in Ag+Ag collisions at $\sqrt{{\mathrm{s}}_{\mathrm{NN}}}$ = 2.55 GeV

R. Abou Yassine, J. Adamczewski-Musch, C. Asal +111

We present the first observation of ${}_{\mathrm{\Lambda }}^3\mathrm{H}$ and ${}_{\mathrm{\Lambda }}^4\mathrm{H}$ in Ag+Ag collisions at $\sqrt{{\mathrm{s}}_{\mathrm{NN}}}$ = 2.55 GeV, emitted around mid-rapidity. The hypernucl…