624 Particle Physics and CosmologySection 46.4Classification of ParticlesP46.10In ? +→+++pnµ, charge conservation requires the unknown particle to be neutral. Baryonnumber conservation requires baryon number = 0. The muon-lepton number of ? must be –1.So the unknown particle must be νµ.P46.11ΩΛ++→+0KKS0→++−ππ(or ππ00+)Λ0→++pπnpee→+++νSection 46.5Conservation LawsP46.12(a)ppe+→++−µLe0001+→+andLµ0010+→ −+(b)ππ−++→+ppcharge−+→ ++1111(c)ppp+→++πbaryon number:1110+→+(d)ppppn+→++baryon number:11111+→++(e)γπ+→+pn0charge0100+→+P46.13(a)Baryon number and charge are conserved, with values of0101+=+and1111+=+in both reactions.(b)Strangeness is
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