Observation of ${\Lambda }_c^{+}\to n{\pi }^{+}\eta$ and search for ${\Lambda }_c^{+}\to n{a}_0(980{)}^{+}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +723

By analysing 6.1 ${\mathrm{fb}}^{-1}$ of data collected at center-of-mass energies between $\sqrt{s}=4.600$ and 4.843 $\mathrm{GeV}$ with the BESIII detector at the BEPCII collider, we obser…