nuclear magneton
E590881
The nuclear magneton is a physical constant that serves as the natural unit of magnetic moment for protons and other nucleons, analogous to the Bohr magneton for electrons but smaller due to the nucleons’ larger mass.
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
physical constant
ⓘ
unit of magnetic moment ⓘ |
| analogousTo | Bohr magneton NERFINISHED ⓘ |
| appearsIn |
Zeeman effect for nuclei
ⓘ
nuclear spin Hamiltonians ⓘ |
| CODATARecommended | yes ⓘ |
| constantType | electromagnetic constant ⓘ |
| definedAs | eħ / (2 mp) ⓘ |
| definedInTermsOf | SI base units ⓘ |
| dependsOn |
elementary charge
ⓘ
proton rest mass ⓘ reduced Planck constant ⓘ |
| dimension | energy per magnetic flux density ⓘ |
| dimensionSymbol | [M][L]²[T]⁻²[I]⁻¹ ⓘ |
| field |
atomic physics
ⓘ
metrology ⓘ quantum mechanics ⓘ |
| hasApproxValue |
3.1524512550e-8 eV·T⁻¹
ⓘ
5.050783699e-27 A·m² ⓘ |
| isConstantIn |
space
ⓘ
time ⓘ |
| namedAfter | atomic nucleus ⓘ |
| naturalUnitFor |
magnetic moment of nuclei
ⓘ
magnetic moment of nucleons ⓘ |
| ratioToBohrMagneton |
≈ 1/1836
ⓘ
≈ me / mp ⓘ |
| relatedTo |
gyromagnetic ratio of nucleons
ⓘ
neutron g-factor ⓘ proton g-factor ⓘ |
| relativeStandardUncertainty | 3.0e-8 ⓘ |
| SIUnitExpression |
J·T⁻¹
ⓘ
joule per tesla ⓘ |
| smallerThan | Bohr magneton NERFINISHED ⓘ |
| symbol | μN ⓘ |
| usedAsUnitFor | tabulated nuclear magnetic moments ⓘ |
| usedFor |
neutron magnetic moment
ⓘ
nuclear magnetic moments ⓘ nucleon magnetic moments ⓘ proton magnetic moment ⓘ |
| usedIn |
hyperfine structure calculations
ⓘ
magnetic moment spectroscopy ⓘ nuclear magnetic resonance ⓘ nuclear physics ⓘ particle physics ⓘ |
| valueInSI | 5.050783699e-27 J·T⁻¹ ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.