Statements (29)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Subatomic particle
|
| gptkbp:charge |
can be positive, negative, or neutral
|
| gptkbp:compatibleWith |
baryon
|
| gptkbp:composedOf |
gptkb:Dragon
gptkb:antiquark |
| gptkbp:contains |
gptkb:J/psi_meson
gptkb:B_meson gptkb:D_meson gptkb:eta_meson gptkb:phi_meson gptkb:rho_meson pion kaon |
| gptkbp:discoveredBy |
gptkb:Hideki_Yukawa
|
| gptkbp:discoveredIn |
1935
|
| gptkbp:hasLifetime |
short
|
| gptkbp:isBoson |
true
|
| gptkbp:isUnstable |
true
|
| gptkbp:mass |
intermediate between electron and proton
|
| gptkbp:namedAfter |
Greek word 'mesos' (middle)
|
| gptkbp:participatedIn |
gptkb:weak_interaction
electromagnetic interaction strong interaction |
| gptkbp:partOf |
hadron
|
| gptkbp:spin |
gptkb:integral
|
| gptkbp:studiedIn |
particle physics
|
| gptkbp:symbol |
M
|
| gptkbp:bfsParent |
gptkb:Dragon
|
| gptkbp:bfsLayer |
4
|