MSW effect
E860355
The MSW effect is a phenomenon in which neutrino flavor conversion is resonantly enhanced as neutrinos propagate through matter, significantly altering their oscillation behavior compared to vacuum.
Statements (59)
| Predicate | Object |
|---|---|
| instanceOf |
matter-induced neutrino effect
ⓘ
neutrino oscillation phenomenon ⓘ physical phenomenon ⓘ |
| appliesTo |
electron neutrinos
ⓘ
muon neutrinos ⓘ neutrino flavor states ⓘ neutrinos ⓘ tau neutrinos ⓘ |
| context |
atmospheric neutrinos
ⓘ
long-baseline neutrino experiments ⓘ solar neutrinos ⓘ supernova neutrinos ⓘ |
| discoveredBy |
Alexei Smirnov
NERFINISHED
ⓘ
Lincoln Wolfenstein NERFINISHED ⓘ Stanislav Mikheyev NERFINISHED ⓘ |
| field |
astroparticle physics
ⓘ
neutrino physics ⓘ particle physics ⓘ theoretical physics ⓘ |
| fullName | Mikheyev–Smirnov–Wolfenstein effect NERFINISHED ⓘ |
| hasConsequence |
affects neutrino propagation in the Earth
ⓘ
affects supernova neutrino spectra ⓘ enables determination of neutrino mass ordering in some experiments ⓘ enhanced neutrino flavor conversion in the Sun ⓘ explains solar neutrino deficit ⓘ modifies survival probability of electron neutrinos ⓘ |
| hasProperty |
arises from weak interactions with electrons in matter
ⓘ
breaks vacuum oscillation symmetry between flavors in matter ⓘ can lead to almost complete flavor conversion ⓘ depends on electron number density ⓘ depends on mass-squared differences ⓘ depends on matter density ⓘ depends on mixing angle ⓘ depends on neutrino energy ⓘ introduces an effective potential for electron neutrinos ⓘ is a coherent forward scattering effect ⓘ modifies neutrino oscillations in matter ⓘ occurs when effective mixing angle in matter becomes maximal ⓘ resonant flavor conversion in matter ⓘ |
| interactionType |
charged-current weak interaction
ⓘ
neutral-current weak interaction ⓘ |
| namedAfter |
Alexei Smirnov
NERFINISHED
ⓘ
Lincoln Wolfenstein NERFINISHED ⓘ Stanislav Mikheyev NERFINISHED ⓘ |
| occursIn |
Earth’s interior for some neutrino trajectories
ⓘ
core-collapse supernovae ⓘ dense astrophysical environments ⓘ interior of the Sun ⓘ |
| occursWhen | matter potential approximately cancels vacuum term in Hamiltonian ⓘ |
| relatedTo |
Pontecorvo–Maki–Nakagawa–Sakata matrix
NERFINISHED
ⓘ
flavor conversion resonance ⓘ neutrino mass hierarchy ⓘ neutrino oscillations ⓘ solar neutrino problem ⓘ |
| theoreticalBasis |
Schrödinger-like evolution equation in matter
ⓘ
effective Hamiltonian in matter ⓘ flavor eigenstates ⓘ neutrino mass eigenstates ⓘ neutrino mixing ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.