Where does “J/psi particle” come from?
J/psi particle (English) comes from English particle, from Middle French particule, from Latin particula, from Latin pars, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.
J/psi particle (English): A subatomic particle with an unusually long lifetime (7.2 × 10−21 s) and a large mass (approx. 3.097 GeV/c²); a bound state of a charm quark and an anti-charm quark (the most common form of charmonium)
Definitions
- A subatomic particle with an unusually long lifetime (7.2 × 10−21 s) and a large mass (approx. 3.097 GeV/c²); a bound state of a charm quark and an anti-charm quark (the most common form of charmonium)
Ancestry of “J/psi particle”, step by step
J/psi particle traces back through 3 separate lines of ancestry.
via English particle
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | particle | A very small piece of matter, a fragment;... |
| 2 | Middle French | particule | — |
| 3 | Latin | particula | small part, particle |
| 4 | Latin | pars | part, side, piece, share; some; faction |
| 5 | Proto-Indo-European | per- | before, in front; first; to go through |
| 6 | Proto-Indo-European | pr̥tós | passed , crossed |
via English J
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | J | A marijuana cigarette; "In the name of a serial... |
via Ancient Greek ψ
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Ancient Greek | ψ | Lower-case psi (ψεῖ), the 23rd letter of the ancient Greek alphabet. It represented the consonant cluster in the Eastern Greek alphabet and the voiceless aspirated velar plosive in the Western Greek alphabet (compare Etruscan 𐌙 khe). It is preceded by χ and followed by ω |