Assertion: neutron's energy | /r/HasProperty | measured to high precision
Facets:
value: by x-ray diffraction techniques
type: OTHER
Source sentences:
text: The energy of the gamma ray can be measured to high precision by X-ray diffraction techniques, as was first done by Bell and Elliot in 1948.
text: The authors observed that the 8He projectile exchanges two units of charge with the 4He target and becomes a beryllium-8 nucleus (8Be, four protons and four neutrons), the energy of which was measured with high precision.