pion138pion 138 situs Bandar Paling Cuan dan Terpopuler Gacor Hari Ini, Cuma Disini Yang Gampang Menang Banyak CuanIn particle physics, a pion ( ˈ p aɪ. ɒ n , PIE-on) or pi meson, denoted with the Greek letter pi (π), is any of three subatomic particles: π 0, π +, and π −Each pion consists of a quark and an