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Neutrons from a liquid‐lithium target for nuclear physics and astrophysics

M. Paul (Racah Institute of Physics, Hebrew University, Jerusalem, Israel)

11h GANIL seminar room (105)

a coffee will be served 15mn before

Neutron physics plays a central role in science and technology and the advent of high‐
intensity accelerators open avenues for neutron production modes alternative to nuclear
reactors. Experiments performed with the milliAmpere‐proton beam (2‐4 kW) from the
Soreq Applied Research Accelerator Facility (SARAF) and the Liquid‐Lithium Target (LiLiT)
will be described. The setup yields high‐intensity 30‐keV quasi‐Maxwellian neutrons  and
high‐energy (14.6, 17.6 MeV)  γ ‐rays from  7 Li(p,n) and  7 Li(p, γ ) reactions respectively, used
for study of neutron‐ and  γ ‐induced nuclear reactions. Neutron capture reactions in
particular remain at the forefront of experimental investigations of stellar nucleosynthesis
and chemical evolution of the Galaxy. α, β, γ spectrometry and atom‐counting techniques
(accelerator mass spectrometry, magneto‐optical trap trace analysis) are used to detect
activation products.  Further prospective experiments will also be presented. 

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