anonymous one year ago An easy one: assumed that the muon has a mass 105MeV/c^2, an antimuon has opposite charge and same mass??

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1. Michele_Laino

Hint: a meson is composed by a pair quark-antiquark: $\Large meson = q\bar q$ so the corresponding anti-meson has the same mass of the meson, and opposite charge, since an antiquark carries the opposite charge with respect to the one of the respective quark