Neutron Time-Of-Flight Measurements (nELBE)

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Neutron Time-Of-Flight Measurements (nELBE)

Fast neutron facilities are generally of two types: white neutron sources and quasi-monoenergetic neutron sources. While the latter deliver neutron beams at a single energy, the white sources produce neutrons in a continuous range of energies when a beam of charged particles hits a heavy target like tungsten or lead. In this case, the energy of a neutron can be determined by measuring its velocity by flight time. At the ELBE - Center for High-Power Radiation Sources of HZDR the very compact neutron time-of-flight system nELBE has been built. The electron beam emitted by the superconducting electron linear accelerator ELBE is used to produce a white neutron spectrum in a liquid-lead neutron radiator. The neutron kinetic energy ranges from below 100 keV to above 10 MeV with a variable repetition rate from single pulse operation to 400 kHz (c.w.). The flight path range is about 5 – 11 m.
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Created:
March 1, 2019
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OAI-PMH Interface

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