12/12/2004

EU strikes, again. Apparently Iran is conducting high-energy neutron experiments. I think this is bad. On Free Republic via Regime Change in Iran. According to my secret sources, High Energy Neutron experiments are:

A systematic analysis of the response of dichlorodifluoromethane superheated drop detectors was performed in the 46-133 MeV energy range. Experiments with quasi-monoenergetic neutron beams were performed at the Université Catholique de Leuvain-la-Neuve, Belgium and the Svedberg Laboratory, Sweden, while tests in a broad field were performed at CERN. To determine the response of the detectors to the high-energy beams, the spectra of incident neutrons were folded over functions modelled after the cross sections for the production of heavy ions from the detector elements. The cross sections for fluorine and chlorine were produced in this work by means of the Monte Carlo high-energy transport code HADRON based on the cascade exciton model of nuclear interactions. The new response data permit the interpretation of measurements at high-energy accelerators and on high-altitude commercial flights, where a 30-50% under-response had been consistently recorded with respect to neutron dose equivalent. The introduction of a 1 cm lead shell around the detectors effectively compensates most of the response defect.
Clear? The facts seem to be that these experiments are aimed mostly at peaceful uses when conducted in free societies: medical, communications, radiation shields, and so on. The fear seems to be that
fast neutron experiments can have three applications: to study research reactors which also can use beryllium shields, to study fusion or to develop energy reflectors for atomic bombs.
The best link seems to be here, but it is really a stretch to say that high etc is an atomic bomb trigger without hard evidence. There are plenty of other ways to trigger a bomb. When looking at this "debate" you better consider the agendas of the people involved. Remember EVERYBODY thought Iraq had WMDs.

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