Assertion: heavy water's neutron | /r/HasAspect | energy
Facets:
value: above 0.6 electron volts
type: OTHER
Source sentences:
text: A nuclear reactor characterized by a neutron energy spectrum in which more than half of the fissions result from the absorption of neutrons having energies above 0.6 electron volts (0.6 ev) and a moderating power per fissile atom (ξΣ s /NU) less than 1000.
text: A nuclear reactor characterized by a neutron energy spectrum in which more than half of the fissions result from the absorption of neutrons having energies greater than 200,000 electron volts (0.2 Mev) and a moderating power per fissile atom (ξΣ s /NU) less than 10.
text: A nuclear reactor characterized by a neutron spectrum in which more than half of the fissions result from the absorption of neutrons having energies above 3,000 electron volts (3 kev) and a moderating power per fissile atom (ξΣ s /NU) less than 200.
text: In the most important reaction for natural production, a fast neutron (which must have energy greater than 4.0 MeV) interacts with atmospheric nitrogen: