Yukawa meson theory
E461823
Yukawa meson theory is an early quantum field theory that models the strong nuclear force as being mediated by massive mesons, introducing the concept of a short-range Yukawa potential between nucleons.
Observed surface forms (2)
| Surface form | Occurrences |
|---|---|
| Yukawa theory | 1 |
| Yukawa’s theory of nuclear forces (Yukawa potential) | 1 |
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
historical physical theory
ⓘ
quantum field theory ⓘ theory of the strong interaction ⓘ |
| appliesTo | two-nucleon system ⓘ |
| approximates | nuclear force at low energies ⓘ |
| associatedWithParticle | pion ⓘ |
| assumes |
bosonic mediator of strong force
ⓘ
exchange of virtual mesons ⓘ massive force carriers ⓘ point-like nucleons interacting via meson exchange ⓘ |
| contributedTo | award of Nobel Prize in Physics to Hideki Yukawa ⓘ |
| couplesTo | nucleon field ⓘ |
| couplingType | Yukawa coupling NERFINISHED ⓘ |
| describes | strong nuclear force ⓘ |
| developedInContextOf | nuclear physics ⓘ |
| explains | binding of nucleons in atomic nuclei ⓘ |
| explainsQualitatively | saturation of nuclear forces ⓘ |
| fieldType | scalar field (in original formulation) ⓘ |
| historicalImpact | first field-theoretic model of nuclear force ⓘ |
| historicalPrecursorOf | quantum chromodynamics NERFINISHED ⓘ |
| historicalStatus | superseded by quantum chromodynamics ⓘ |
| influenced | meson-exchange models of nuclear forces ⓘ |
| inspired | development of meson theory in the 1940s and 1950s ⓘ |
| inspiredDiscoveryOf | pions ⓘ |
| interactionBetween |
nucleons
ⓘ
protons and neutrons ⓘ |
| introducesConcept | Yukawa potential NERFINISHED ⓘ |
| LagrangianContains |
meson mass term
ⓘ
nucleon-meson interaction term ⓘ |
| mathematicalStructure | relativistic quantum field theory ⓘ |
| mediatedBy | mesons ⓘ |
| motivated | search for mesons in cosmic rays ⓘ |
| NobelPrizeYear | 1949 ⓘ |
| potentialDependsOn | meson mass parameter μ ⓘ |
| potentialForm | V(r) = -g^2 e^{-μ r} / r ⓘ |
| potentialType | central potential ⓘ |
| predicts |
existence of mesons with finite mass
ⓘ
exponential decay of nuclear force with distance ⓘ |
| proposedBy | Hideki Yukawa NERFINISHED ⓘ |
| proposedInYear | 1935 ⓘ |
| rangeCharacteristic | short-range force ⓘ |
| rangeInverseTo | meson mass ⓘ |
| relatedConcept |
Yukawa coupling constant
ⓘ
Yukawa interaction NERFINISHED ⓘ |
| stillUsedAs | effective field theory model ⓘ |
| usedIn | phenomenological nucleon-nucleon potentials ⓘ |
| validityRegime | low-energy nuclear physics ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Yukawa theory
this entity surface form:
Yukawa’s theory of nuclear forces (Yukawa potential)