Some GUT theories allow the proton to be unstable. What conservation laws are broken in the following proton decays? (a) p → π+ + ve bar (b) p → μ+ + π0 (c) p → e+ + K0 + ve
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Some GUT theories allow the proton to be unstable. What conservation laws are broken in the following proton decays?
(a) p → π+ + ve bar
(b) p → μ+ + π0
(c) p → e+ + K0 + ve
Proton was considered a stable particle for a long time, but recent studies in grand Unification Models have suggested that it might decay with a half-life of about 1032 years.
If a proton decays it will violate conservation of baryon number.
Given decay is,
| p | |||
| B | 1 | 0 | 0 |
| Le | 0 | 0 | 1 |
Baryon number is not conserved
Lepton number is not conserved.
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