# charm

> flavour quantum number representing the difference between the number of charm quarks and charm antiquarks that are present in a particle

**Wikidata**: [Q2639620](https://www.wikidata.org/wiki/Q2639620)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Charm_(quantum_number))  
**Source**: https://4ort.xyz/entity/charm-q2639620-2


## References

1. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)