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// Ex18_9 Page:360 (2014)
clc;clear;
m_N12 = 12.018613; // Mass N-12 nucleus, MeV
m_C12 = 12; // Mass C-12 nucleus, MeV
m_e = 0.000549; // Mass of the electron, MeV
E_gamma = 4.43; // Energy of the emitted gamma ray. MeV
Q = (m_N12 - m_C12 - 2*m_e)*931.5; // Q value for the reaction, MeV
E_max = Q - E_gamma; // The maximum kinetic energy of the beta particle, MeV
printf("\nThe maximum kinetic energy of the beta particle = %5.2f MeV", E_max);
// Result
// The maximum kinetic energy of the beta particle = 11.89 MeV
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