noun
pi meson; pion
Technical term in particle physics; refers to the lightest meson, composed of a quark and an antiquark.
パイ中間子は強い相互作用を媒介する粒子の一つです。
The pi meson is one of the particles that mediate the strong interaction.
Standard Japanese term for pi meson/pion.
Uses the Greek letter π; common in physics contexts.
Meson in general; パイ中間子 is a specific type of meson.
From English 'pi meson' or 'pion', with 中間子 (meson) as the Japanese translation of 'meson'.