On a possible observation of "dihelion" in dissociation of relativistic $^9$C nuclei
arXiv:1105.3813 · doi:10.1088/1742-6596/337/1/012019
Abstract
Nuclear track emulsion is exposed to 1.2 A $^9$C GeV nuclei. Pairs of 2$^3$He nuclei having unusually narrow opening angles are observed in channel $^9$C $\rightarrow$ 3$^3$He pointing to the possible 2$^3$He resonance near the production threshold.
Nuclear Physics in Astrophysics - V 2011 preprint Journal of Physics - Conference Series