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Radioactive decay in which an electron is emitted.
- ‘They are formed by a kind of reverse beta decay: a proton becomes a neutron.’
- ‘Physicists originally had a lot of trouble reconciling relativistic quantum field theory with the weak interaction that is responsible, for example, for what is called beta decay of neutron into proton, electron and neutrino.’
- ‘This interaction is also about 10 times weaker than the electromagnetic and is responsible for the beta decay of particles and nuclei.’
- ‘There are various mechanisms and forms of beta decay (e.g., negative beta decay, neutron beta decay, double beta decay, inverse beta decay, etc.).’
- ‘The core of the exploding star was converted to neutrons during the explosion when protons and electrons were forced together in reverse beta decay, producing the neutrinos.’
- ‘If one well is filled higher than the other, you tend to get a beta decay to even them out.’
- ‘More detailed explanations of beta decay were developed in the late twentieth century, following theories of the existence of unique particles that transmit the weak nuclear force.’
- ‘In fact, stripping an atom entirely of electrons has speeded up beta decay by a factor of a billion.’
- ‘The existence of neutrinos was first proposed by the Austrian theoretical physicist Wolfgang Pauli in 1930 in his examination of a form of radioactive decay known as beta decay.’
- ‘As beta decay does not change the atomic mass, the isotope of the new element number 93, neptunium, also has mass 239.’
- ‘Whatever carbon - 14 was present at the time of the organism's death begins to decay to nitrogen - 14 by emitting radiation in a process known as beta decay.’
- ‘The beta decay of a cobalt 60 nucleus prefers a direction dependent on whether the interaction is left or right ‘handed’’
- ‘After chains of beta decay (electron emission), the decay product is a stable neutron-rich nucleus.’
- ‘Some atoms can undergo radioactive beta decay, in which a neutron decays into a proton, an electron and an electron-antineutrino via the weak nuclear force.’
- ‘In early tests, nearly all electrons emitted during the tritium's beta decay were absorbed.’
- ‘There are two types of radioactive decay, alpha decay (ejection of a nucleus of helium, two protons and two neutrons tightly bound together) and beta decay (ejection of an electron).’
- ‘Experiments on radioactive beta decay, where one element spontaneously converts into another with the emission of an electron, appeared to violate the laws of conservation of energy and momentum.’
- ‘In 1931, he predicted the existence of the massless neutrino to explain away mathematical problems with beta decay.’
- ‘It was at this conference that Klein suggested that a spin - 1 particle mediated beta decay and played a role in weak interactions in a similar manner to the photon in electromagnetism.’
- ‘The cascade of gammas that follows each beta decay occurs so quickly that in practice these are attributed to the iridium decay even though they are really coming from daughter products.’
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