Comment on “First Observation of Ground State Dineutron Decay: ${}^{16}\mathrm{Be}$”

A Comment on the Letter by A. Spyrou et al. Phys. Rev. Lett. 108, 102501 (2012). The authors of the Letter offer a Reply.

Figure 1

Calculations of ${}^{14}\mathrm{Be}+n+n$ decay for three-body phase space without (1) and including (2) the $n\mathrm{\text{−}}n$ final-state interaction, and for dineutron decay (3). The results have been normalized in each panel to the same integrated yield ($Y$).