Definition of pi meson in English:

Share this entry

pi meson

Pronunciation: /ˌpī ˈmizän/ Pronunciation: /ˌpī ˈmāzän/


Another term for pion.
Example sentences
  • In 1947, English physicist Cecil Powell observed Yukawa's mesons, now called pi-mesons or pions, in the upper atmosphere, where they were produced by cosmic ray collisions.
  • If, for example, the interaction between two protons in a nucleus is studied, quite good results can be obtained by describing it as an exchange of pi-mesons.

For editors and proofreaders

Syllabification: pi me·son

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.