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CHEBI ONTOLOGY - ANNOTATIONS

The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at http://www.ebi.ac.uk/chebi/. The data is made available under the Creative Commons License (CC BY 3.0, http://creativecommons.org/licenses/by/3.0/). For more information see: Degtyarenko et al. (2008) ChEBI: a database and ontology for chemical entities of biological interest. Nucleic Acids Res. 36, D344–D350.

Term:pi(0) meson
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Accession:CHEBI:36351 term browser browse the term
Definition:A subatomic particle of zero charge, zero spin and rest mass of 0.1449008(9) u, or 134.9743(8) MeV.
Synonyms:related_synonym: neutral pion;   pi(0)



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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19811
    subatomic particle 19809
      boson 0
        meson 0
          pi meson 0
            pi(0) meson 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19811
    subatomic particle 19809
      composite particle 19809
        hadron 19840
          meson 0
            pi meson 0
              pi(0) meson 0
paths to the root