Some GUT theories allow the proton to be unstable. What conservation laws are br

Question

Some GUT theories allow the proton to be unstable. What conservation laws are broken in the following proton decays? (Select all that apply.)

(a) p +

(b) p 0

(c) p + + e

1

energy

e-lepton number

-lepton number

charge

baryon number

strangeness

2

energy

e-lepton number

-lepton number

charge

baryon number

strangeness

3

energy

e-lepton number

-lepton number

charge

baryon number

strangeness

(a) p +

(b) p 0

(c) p + + e

1

energy

e-lepton number

-lepton number

charge

baryon number

strangeness

2

energy

e-lepton number

-lepton number

charge

baryon number

strangeness

3

energy

e-lepton number

-lepton number

charge

baryon number

strangeness

Explanation / Answer

  (a)  p    ----> +    It is not allowed Baryon number not conserved ---------------------------------------- (b) p   ---> -    It is not allowed     Baryon number not conserved --------------------------------------------- (c) p ---> +   + e it is also not allowed baryon number not conserved e - lepton number not conserved    It is not allowed     Baryon number not conserved --------------------------------------------- (c) p ---> +   + e it is also not allowed baryon number not conserved e - lepton number not conserved

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