Previous Page...   Printer Version Science Constants - Mass Ratio, Electron-Muon Symbol: me/mµ Value: 4.83633210(15) × 10-3  Category: - Electron Particle Constants Description:   [ H O M E ] [ S C I E N C E ] [ M A T H S ] [ A S T R O N O M Y ] [ Download ] [ Shop ] [ Contact ] [ About ]