In beta minus decay, a neutron is converted to a proton via the weak nuclear force and a beta particle (an electron) and a neutrino are emitted. Beta decay was first studied by Enrico Fermi.
The study of beta decay provided the first physical evidence of the neutrino.
See also: beta particle, particle radiation, radioactive isotope
... constitutes the border between Iraq and Iran down to the mouth of the river as it discharges into the Persian Gulf. Various territorial claims and disputes over navigation ...
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