Interaction between subatomic particles and one of the four known fundamental interactions
The radioactive beta decay is due to the weak interaction, which transforms a neutron into a proton, an electron, and an electron antineutrino.
Standard Model of particle physics
Elementary particles of the Standard Model
Background
Particle physics Standard Model Quantum field theory Gauge theory Spontaneous symmetry breaking Higgs mechanism
Constituents
Electroweak interaction Quantum chromodynamics CKM matrix Standard Model mathematics
Limitations
Strong CP problem Hierarchy problem Neutrino oscillations Physics beyond the Standard Model
Scientists
Rutherford
Thomson
Chadwick
Bose
Sudarshan
Davis Jr
Anderson
Fermi
Dirac
Feynman
Rubbia
Gell-Mann
Kendall
Taylor
Friedman
Powell
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Meer
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Nambu
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Schwartz
Perl
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Lee
Ward
Salam
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't Hooft
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Vleck
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Englert
Brout
Hagen
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de Mayolo
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Zweig
v
t
e
In nuclear physics and particle physics, the weak interaction, also called the weak force is one of the four known fundamental interactions, with the others being electromagnetism, the strong interaction, and gravitation. It is the mechanism of interaction between subatomic particles that is responsible for the radioactive decay of atoms: The weak interaction participates in nuclear fission and nuclear fusion. The theory describing its behaviour and effects is sometimes called quantum flavourdynamics (QFD); however, the term QFD is rarely used, because the weak force is better understood by electroweak theory (EWT).[1]
The effective range of the weak force is limited to subatomic distances and is less than the diameter of a proton.[2]
^Griffiths, David (2009). Introduction to Elementary Particles. pp. 59–60. ISBN 978-3-527-40601-2.
^Schwinger, Julian (1 November 1957). "A theory of the fundamental interactions". Annals of Physics. 2 (5): 407–434. Bibcode:1957AnPhy...2..407S. doi:10.1016/0003-4916(57)90015-5. ISSN 0003-4916.
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