Assertion: decay's neutron | /r/CapableOf | decay into proton
Facets:
value: naturally
type: MANNER
value: by emitting an electron
type: MANNER
Source sentences:
text: For example, a neutron is heavier than a proton (its partner nucleon), and can decay into a proton by changing the flavour (type) of one of its two down quarks to an up quark.
text: A free neutron is unstable, decaying to a proton, electron and antineutrino with a mean lifetime of just under 15 minutes (881.5±1.5 s).
text: He argued that a neutron could decay to form a proton by emitting an electron.
text: Free neutrons are unstable particles which decay naturally into a proton and electron, with a half-life of about 12 minutes.