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A high-power Liquid-Lithium Target (LiLiT) was used for the first time forneutron production via the thick-target 7Li(p,n)7Be reaction and quantitativedetermination of neutron capture cross sections. Bombarded with a 1-2 mA protonbeam at 1.92 MeV from the Soreq Applied Research Accelerator Facility (SARAF),the setup yields a 30-keV quasi-Maxwellian neutron spectrum with an intensityof 3-5e10 n/s, more than one order of magnitude larger than presentnear-threshold 7Li(p,n) neutron sources. The setup was used here to determinethe 30-keV Maxwellian averaged cross section (MACS) of 94Zr and 96Zr as28.0+-0.6 mb and 12.4+-0.5 mb respectively, based on activation measurements.The precision of the cross section determinations results both from the highneutron yield and from detailed simulations of the entire experimental setup.We plan to extend our experimental studies to low-abundance and radioactivetargets. In addition, we show here that the setup yields intense high-energy(17.6 and 14.6 MeV) prompt capture gamma-rays from the 7Li(p,gamma)8Be reactionwith yields of ~3e8 gammas/s/mA and ~4e8 gammas/s/mA, respectively, evidencedby the 90Zr(gamma,n)89Zr photonuclear reaction.

Stellar 30-keV neutron capture in 94,96Zr and the 90Zr(gamma,n)89Zr photonuclear reaction with a high-power liquid-lithium target