penguin diagram en · NOUN
Etymology
Coined by John Ellis in 1977, based on the shape of the diagram and inspired by a bet made with Melissa Franklin to put the word "penguin" in his next paper.
Meanings
- A type of unicyclic Feynman diagram in which a quark temporarily changes flavor and engages in an interaction.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| penguin diagrams | Number=Plur | lexicographic |