Definition of impact parameter
: the perpendicular distance from the center of the force field to the initial path of the particle deflected by the field in nuclear scattering
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Seen and Heard
What made you want to look up impact parameter? Please tell us where you read or heard it (including the quote, if possible).