A proton has enough mass energy to decay into a shower made
up of electrons, neutrinos, and their antiparticles. Which of the following
conservation laws would necessarily be violated if it did: electron lepton number or baryon number?
The Baryon number will be violated.
In all particle interactions, the net lepton number is conserved.
In all particle interactions, the net baryon number is conserved.
As we know, the electron lepton number of protons is zero. If there is an equal number of electrons and their anti-particles, the lepton number could be zero.
And the Baryon number of the proton is one and of other particles zero. Therefore Baryon number will be violated.
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