The nuclei below are observed to decay by emitting a ? + particle . Write out th

Question

The nuclei below are observed to decay by emitting a ?+ particle. Write out the decay process for each of these nuclei, and determine the energy released in each reaction. Complete the decay process for each of these nuclei, and determine the energy released in each reaction. Be sure to take into account the mass of the electrons associated with the neutral atoms.

The nuclei below are observed to decay by emitting a B particle. Write out the decay process for each of these nuclei and determine the energy released in each reaction. Be sure to take into account the mass of the electrons associated with the neutral atoms. (Type the decay using the format 14c6 for 14 any the words and in the symbol columns the following table.) processes C and of letters of Particle Symbol Particle Symbol or He alpha B or e- electron n or et positron neutrino antineutrino gamma. (a) 31 Si 31P15 electron antineutrino 14 MeV (b) 32 P 32S16 electron antineutrimo 15 MeV

Explanation / Answer

a)

The Energy is given by

E = M(si) -M(P)*931.5 MeV

E = (30.97536323 - 30.97376163 ) *931.5 MeV = 1.4918 MeV

b)

The Energy is given by

E = M(32P) -M(16S)*931.5 MeV

E = (31.97390727 - 31.97207100 ) *931.5 MeV = 1.71048 MeV

NOTE: Sources of masses is WIKI for all the above ones.

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