Measurement results: (a) Energy-length 2D statistical graph; (b) 2D distribution of fission fragment starting points (frag area). (IMAGE)

Nuclear Science and Techniques

Measurement results: (a) Energy-length 2D statistical graph; (b) 2D distribution of fission fragment starting points (frag area).

Caption

Part (a) is an energy-length scatter plot distinguishing particle types: "frag" denotes fission fragments (short tracks, high energy loss), "p" represents protons (originating from neutron interactions with detector materials), and "p*" indicates truncated high-energy protons (track length ~70 mm, close to the chamber length). Part (b) shows the 2D distribution of fission fragment starting points, which precisely matches the shape and position of the partitioned target, confirming the specificity of fission fragment detection.

Credit

Jia-Jun Zhang

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