9. Which of the following reactions and decays are possible? For those forbidden, explain what laws are violated? (a) - +p→n+ nº. (b) a+ +p → n + 7º. (c) n* +p → p+ e*. (d) p→ e+ + ve. (e) p→n+e* + Ve.

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9. Which of the following reactions and decays are possible? For those forbidden, explain
what laws are violated?
(а) п- +р+п + п?.
(b) a+ +p → n+ 7º.
(c) n+ +p→p+ e+.
(d) p→ e+ + ve.
(e) p→n + e+ + Ve-
10. Draw the two Feynman diagrams for electron-electron scattering at the first-order.
Draw three distinct second-order diagrams.
Transcribed Image Text:9. Which of the following reactions and decays are possible? For those forbidden, explain what laws are violated? (а) п- +р+п + п?. (b) a+ +p → n+ 7º. (c) n+ +p→p+ e+. (d) p→ e+ + ve. (e) p→n + e+ + Ve- 10. Draw the two Feynman diagrams for electron-electron scattering at the first-order. Draw three distinct second-order diagrams.
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