Dataset referencing 1984UN02
Phys.Lett. 144B, 333 (1984)
J.E.Ungar, R.D.McKeown, D.F.Geesaman, R.J.Holt, J.R.Specht, K.E.Stephenson, B.Zeidman, C.L.Morris
Search for the Tetraneutron by the Double-Charge-Exchange of Negative Pions
NUCLEAR REACTIONS 12C, 4He(π-, π+), E=165 MeV; measured σ(θ) vs pion momentum; deduced bound tetraneutron production σ upper limit.
doi: 10.1016/0370-2693(84)91272-3