Now Reading: Neutrino signature could track spent nuclear fuel remotely
-
01
Neutrino signature could track spent nuclear fuel remotely
Researchers from France’s Double Chooz Collaboration have measured, for the first time, the energy signature of neutrinos emitted by spent nuclear fuel. The finding could let inspectors check fuel inventories without entering…
The Story in Brief
Researchers from France’s Double Chooz Collaboration have measured, for the first time, the energy signature of neutrinos emitted by spent nuclear fuel. The finding could let inspectors check fuel inventories without entering highly radioactive reactor structures.
Using a detector 400 metres from France’s Chooz B plant, the team analysed 2.5 weeks of data while both reactors were offline. It recorded around 106 candidate events. Statistical analysis found that 56% of the signal came from reactor cores and 44% from cooling pools. Removing fuel to extract plutonium would reduce the pool’s neutrino signal. Future detectors could estimate plutonium in real time, but current systems remain large and stationary, with one Double Chooz detector weighing over 500 tonnes.
The Indian Opinion
Claims that this discovery has made nuclear safeguards effortless would be premature. Neutrino monitoring could add a remote check, but the equipment remains enormous and must filter cosmic rays. Nor does a weaker signal alone prove why fuel is missing. The useful test is whether smaller detectors can repeatedly distinguish normal changes in reactor cores and cooling pools from deliberate removal. Until that happens, cameras and inspections will still matter.
Source: thehindu.com
This story was synthesised by AI from the source linked above.
