A general a-decay from a parent nucleus A₂X may be indicated as: A₂X (A+4) (2+2) Y+42He A₂X (A+4), (Z-2) Y+4₂He O A₂X (A-4) (2+2) Y+42He (Z-2) Y+42He AZX→ (A-4),
Q: (b) T¯ +p → K* + µ¯ (a) n¯ → µ¯+Vµ (c) n → p+ e¯ + ve (d) n → n+ + T-
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