粒子 りゅうし相互 そうご作用 さようじゃありません
so ryūshino sōgosayōjārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 素粒子の相互作用

1. It is not particle interaction.; It's not an interaction of elementary particles.

Negative
Polite
Terminal Form