(b) A K+ meson composed of a up-quark and a strange-antiquark has the following major decay modes: i. K+ → µtvµ ii. K+ + 7°e+e iii. K+ → ata0 iv. K+ → n*°7° Draw a Feynman diagram for each of these decays and indicate whether these procced via the clectromagnetic, strong or weak interaction, or a combination thereof?
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