In flight production of a 8Li radioactive beam for Big Bang nucleosynthesis investigations at LNS Catania

The in flight production of a secondary 8Li radioactive beam using the existing beam transport lines at the SMP13 Tandem accelerator of the Laboratori Nazionali del Sud in Catania is studied. The method consists in the momentum filtering by a switching magnet of the 8Li ions emitted backward in the centre of mass of the 2H(7Li,p)8Li reaction, followed by a time-of-flight tagging of the deflected ions. Details of the experimental procedures and preliminary results of the 8Li(4He,n)11B reaction study relevant for pregalactic nucleosynthesis are presented and discussed.