AI Article Synopsis
- Researchers demonstrated tagging neutrons (2.45 MeV) and their associated helium particles from deuterium-deuterium fusion in a compact neutron generator.
- A high brightness, microwave-driven ion source was used to produce a high fraction of deuterons, leading to clear energy spectra of fusion products like He, tritons, and protons using a silicon PIN diode.
- By timing the detection of He particles with neutron detection, they successfully correlated the emissions, tagging the neutrons with the detected He particles inside the generator's vacuum vessel.
Article Abstract
Tagging of neutrons (2.45 MeV) with their associated He particles from deuterium-deuterium (D-D) fusion reactions has been demonstrated in a compact neutron generator setup enabled by a high brightness, microwave-driven ion source with a high fraction of deuterons. Energy spectra with well separated peaks of the D-D fusion reaction products, He, tritons, and protons, were measured with a silicon PIN diode. The neutrons were detected using a liquid scintillator detector with pulse shape discrimination. By correlating the He detection events with the neutron detection in time, we demonstrated the tagging of emitted neutrons with He particles detected with a Si PIN diode detector mounted inside the neutron generator vacuum vessel.
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| http://dx.doi.org/10.1063/1.4981896 | DOI Listing |
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