All Problems

Elementary Particles

Problem 6.310

Indicate the reasons why the following processes are forbidden: (1) ΣA0+π\Sigma-A^{0}+\pi^{-} (2) π+pK++K\pi^{-}+p \rightarrow K^{+}+K^{-} (3) K+nΩ+K++K0K^{-}+n \rightarrow \Omega^{-}+K^{+}+K^{0} (4) n+pΣ++Λ0n+p \rightarrow \Sigma^{+}+\Lambda^{0} (5) πμ+e++e\pi^{-} \rightarrow \mu^{-}+e^{+}+e^{-} (6) μe+ve+vμ\mu^{-} \rightarrow e^{-}+v_{e}+v_{\mu}

Reveal Answer
6.310.Process1isforbiddenintermsofenergy;inotherprocessesthefollowinglawsofconservationarebroken:ofbaryoncharge(2),ofelectriccharge(3),ofstrangeness(4),ofleptoncharge(5),andofelectronandmuoncharge(6).6.310. Process 1 is forbidden in terms of energy; in other processes the following laws of conservation are broken: of baryon charge (2), of electric charge (3), of strangeness (4), of lepton charge (5), and of electron and muon charge (6).