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Fundamentals Of Physics
Found in: Page 1363

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Short Answer

Does the proposed reaction


conserve (a) charge, (b) baryon number, (c) electron lepton number, (d) spin angular momentum, (e) strangeness, and (f) muon lepton number?

(a) Charge is conserved.

(b) Baryon number not conserved.

(c) Electron lepton number not conserved.

(d) Spin angular momentum not conserved.

(e) Strangeness conserved.

(f) Muon lepton number conserved.

See the step by step solution

Step by Step Solution

Step 1: Conservation Law

A principle that states that a certain physical property does not charge in the course of time within an isolated physical system. or

The law states that the total energy of an isolated system does not change.

Step 2: Charge

a. Solution.

P+P¯λ°+++e-charge 1 -1 0 +1 -1

Hence, Charge is conserved.

Step 3: Baryon number

b. Solution.

P+P¯λ°+++e-Baryon number 1 -1 1 1 0

Hence, the Baryon number is not conserved.

Step 4:electron lepton number

c. Solution. P+P¯λ°+++e-electron lepton number 0 0 0 0 1

Hence, the Electron lepton number is not conserved.

Step 5:spin angular momentum

d. Solution.

P+P¯λ°+++e-spin 12 12 12 12 12

Hence, Spin angular momentum is not conserved.

Step 6:Strangeness

e. Solution.

P+P¯λ°+++e-Strangeness 0 0 -1 1 0

Hence, Strangeness is conserved.

Step 7:muon lepton number 

f. Solution.

P+P¯λ°+++e-Moun Lapton Number 0 0 0 0 0

For all particles moun lepton number is zero.

This process does conserve moun lepton number.

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