Statements (25)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:mecha
|
| gptkbp:composed_of |
gptkb:theorem
|
| gptkbp:discovered_by |
1950s
|
| https://www.w3.org/2000/01/rdf-schema#label |
σ meson
|
| gptkbp:is_associated_with |
chiral symmetry breaking
|
| gptkbp:is_essential_for |
nuclear interactions
|
| gptkbp:is_involved_in |
strong nuclear force
|
| gptkbp:is_often_associated_with |
the sigma meson
|
| gptkbp:is_part_of |
nonet of light mesons
|
| gptkbp:is_reflected_in |
the energy spectrum
|
| gptkbp:is_related_to |
effective field theory
the quark model |
| gptkbp:is_scalable |
gptkb:theorem
|
| gptkbp:is_studied_in |
gptkb:physicist
QCD (Quantum Chromodynamics) |
| gptkbp:mass |
approximately 600 Me V/c²
|
| gptkbp:mode |
pions
|
| gptkbp:number |
J^ P = 0^+
|
| gptkbp:pairing |
nucleons
|
| gptkbp:produced_by |
high-energy collisions
electron-positron annihilation |
| gptkbp:type_of |
gptkb:physicist
|
| gptkbp:width |
about 400 Me V
|
| gptkbp:bfsParent |
gptkb:Meson
|
| gptkbp:bfsLayer |
4
|