Assertion: decay's neutron | /r/HasProperty | a spin 1/2 particle
Facets:
Source sentences:
text: The neutron is a spin 1/2 particle, that is, it is a fermion with intrinsic angular momentum equal to 1/2 ħ, where ħ is the reduced Planck constant.
text: In the same year Dmitri Ivanenko suggested that there were no electrons in the nucleus — only protons and neutrons — and that neutrons were spin ​1⁄ 2 particles, which explained the mass not due to protons.