Statements (16)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
bound state
exotic atom |
| gptkbp:antiparticle |
itself
|
| gptkbp:charge |
0
|
| gptkbp:composedOf |
electron
positron |
| gptkbp:decaysTo |
2 gamma photons
|
| gptkbp:discoveredIn |
1951
|
| https://www.w3.org/2000/01/rdf-schema#label |
para-positronium
|
| gptkbp:isomerOf |
gptkb:positronium
|
| gptkbp:lifetimeInVacuum |
~125 picoseconds
|
| gptkbp:par |
even
|
| gptkbp:spinQuantumNumber |
0
|
| gptkbp:symbol |
gptkb:p-Ps
|
| gptkbp:bfsParent |
gptkb:positronium
|
| gptkbp:bfsLayer |
6
|