Physics · Radioactivity

In radioactive decay sequences, gamma (γ) photon emission typically occurs at which stage relative to alpha (α) or beta (β) decay?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Only when alpha and beta decay are completely blocked by external pressure
2Following alpha or beta decay, when the daughter nucleus de-excites from an elevated energy state✓
3Simultaneously with alpha decay, but never with beta decay
4Always preceding alpha or beta decay to destabilize the nucleus

Correct answer

Following alpha or beta decay, when the daughter nucleus de-excites from an elevated energy state

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