Energy Sources in Stars (§10.3)
Energy Sources in Stars (§10.3)
Energy Sources in Stars (§10.3)
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Proton-Proton Cha<strong>in</strong>Types of nuclear reactionsBeta Decay: n → p + + e - + ν - proceeds spontaneously - also forneutron <strong>in</strong>side nucleuseg [Z-1, A] → [Z, A] + e - + ν - (Z = # p + , N = # n, A = Z+N)Inverse Beta Decay: p + + e - → n + νeg [ 13 N → 13 C + e + + ν](p + , γ) ) process: A Z + p + → A+1 (Z+1) + γeg [ 12 C + p + → 13 N + γ](α, γ) process: α particle ( 4 He) added to nucleus to make heavierparticle [ A Z + 4 He → A+4 (Z+2) + γ]eg. [ 8 Be + 4 He → 12 C + γ]
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