JINR-E7-87-140 (1987)

A.V.Belozyorov, C.Borcea, Z.Dlouhy, A.M.Kalinin, Nguyen Hoai Chau, Yu.E.Penionzhkevich

Search for the Tri- and Tetraneutron in Reactions Induced by ¹¹B and ⁹Be Ions on ⁷Li and ⁹Be

NUCLEAR REACTIONS ⁷Li(⁹Be, ¹²N), ⁹Be(⁹Be, ¹⁴O), E=107 MeV; ⁷Li(¹¹B, ¹⁴O), (¹¹B, ¹⁵O), E=88 MeV; measured σ(E(¹²N)), σ(E(¹⁴O)), σ(E(¹⁵O)); deduced trineutron, tetraneutron production σ uper limit. Magnetic spectrograph, ionization chamber.