Fig. 10-7

Quasi-monoenergetic, high energy neutron source device at the AVF cyclotron facility

Neutrons are generated by protons bombarding a 7Li-enriched target through the7Li(p,n)8Be reaction. An excellent low background is assured by (1) the separation between the neutron source part and the neutron measuring part, and (2) the bending of the proton beam into the beam dump by a bending magnet in the accelerator room. The use of a thin foil 7Li target serves to maintain a good quality monoenergetic neutron source with low background.

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Persistent Quest - Research Activities 1998
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