Physics for Scientists and Engineers with Modern Physics
Physics for Scientists and Engineers with Modern Physics
10th Edition
ISBN: 9781337553292
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
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Chapter 44, Problem 18P

(a)

To determine

The conserved quantities in the reaction.

(a)

Expert Solution
Check Mark

Answer to Problem 18P

The conserved quantities in the reaction are baryon number, charge, electron lepton number and tau lepton number.

Explanation of Solution

Write the reaction.

    ΞΛ0+μ+νμ

Check the conservation of baryon number for the reaction on both sides.

    11+0+0

Check the conservation of charge for the reaction on both sides.

    101+0

Check the conservation of electron lepton number for the reaction on both sides.

    00+0+0

Check the conservation of muon lepton number for the reaction on both sides.

    00+1+1

Check the conservation of tau lepton number for the reaction on both sides.

    00+0+0

Check the conservation of strangeness for the reaction on both sides.

    21+0+0

Conclusion:

Thus, the conserved quantities in the reaction are baryon number, charge, electron lepton number and tau lepton number.

(b)

To determine

The conserved quantities in the reaction.

(b)

Expert Solution
Check Mark

Answer to Problem 18P

The conserved quantities in the reaction are baryon number, charge, electron lepton number, muon lepton number and tau lepton number.

Explanation of Solution

Write the reaction.

    KS02π0

Check the conservation of baryon number for the reaction on both sides.

    00

Check the conservation of charge for the reaction on both sides.

    00

Check the conservation of electron lepton number for the reaction on both sides.

    00

Check the conservation of muon lepton number for the reaction on both sides.

    00

Check the conservation of tau lepton number for the reaction on both sides.

    00

Check the conservation of strangeness for the reaction on both sides.

    +10

Conclusion:

Thus, the conserved quantities in the reaction are baryon number, charge, electron lepton number, muon lepton number and tau lepton number.

(c)

To determine

The conserved quantities in the reaction.

(c)

Expert Solution
Check Mark

Answer to Problem 18P

The conserved quantities in the reaction are charge, electron lepton number, muon lepton number, tau lepton number and strangeness.

Explanation of Solution

Write the reaction.

    K+pΣ0+n

Check the conservation of baryon number for the reaction on both sides.

    0+11+1

Check the conservation of charge for the reaction on both sides.

    1+10+0

Check the conservation of electron lepton number for the reaction on both sides.

    0+00+0

Check the conservation of muon lepton number for the reaction on both sides.

    0+00+0

Check the conservation of tau lepton number for the reaction on both sides.

    0+00+0

Check the conservation of strangeness for the reaction on both sides.

    1+01+0

Conclusion:

Thus, the conserved quantities in the reaction are charge, electron lepton number, muon lepton number, tau lepton number and strangeness.

(d)

To determine

The conserved quantities in the reaction.

(d)

Expert Solution
Check Mark

Answer to Problem 18P

The conserved quantities in the reaction are baryon number, charge, electron lepton number, muon lepton number, tau lepton number and strangeness.

Explanation of Solution

Write the reaction.

    Σ0Λ0+γ

Check the conservation of baryon number for the reaction on both sides.

    11+0

Check the conservation of charge for the reaction on both sides.

    00+0

Check the conservation of electron lepton number for the reaction on both sides.

    00+0

Check the conservation of muon lepton number for the reaction on both sides.

    00+0

Check the conservation of tau lepton number for the reaction on both sides.

    00+0

Check the conservation of strangeness for the reaction on both sides.

    11+0

Conclusion:

Thus, the conserved quantities in the reaction are baryon number, charge, electron lepton number, muon lepton number, tau lepton number and strangeness.

(e)

To determine

The conserved quantities in the reaction.

(e)

Expert Solution
Check Mark

Answer to Problem 18P

The conserved quantities in the reaction are baryon number, charge, electron lepton number, muon lepton number, tau lepton number and strangeness.

Explanation of Solution

Write the reaction.

    e++eμ++μ

Check the conservation of baryon number for the reaction on both sides.

    0+00+0

Check the conservation of charge for the reaction on both sides.

    1111

Check the conservation of electron lepton number for the reaction on both sides.

    1+10+0

Check the conservation of muon lepton number for the reaction on both sides.

    0+011

Check the conservation of tau lepton number for the reaction on both sides.

    0+00+0

Check the conservation of strangeness for the reaction on both sides.

    0+00+0

Conclusion:

Thus, the conserved quantities in the reaction are baryon number, charge, electron lepton number, muon lepton number, tau lepton number and strangeness.

(f)

To determine

The conserved quantities in the reaction.

(f)

Expert Solution
Check Mark

Answer to Problem 18P

The conserved quantities in the reaction are baryon number, charge, electron lepton number, muon lepton number, tau lepton number and strangeness.

Explanation of Solution

Write the reaction.

    p¯+nΛ¯0+Σ

Check the conservation of baryon number for the reaction on both sides.

    1+11+1

Check the conservation of charge for the reaction on both sides.

    1+001

Check the conservation of electron lepton number for the reaction on both sides.

    0+00+0

Check the conservation of muon lepton number for the reaction on both sides.

    0+00+0

Check the conservation of tau lepton number for the reaction on both sides.

    0+00+0

Check the conservation of strangeness for the reaction on both sides.

    0+011

Conclusion:

Thus, the conserved quantities in the reaction are baryon number, charge, electron lepton number, muon lepton number, tau lepton number and strangeness.

(g)

To determine

The reactions that cannot occur.

(g)

Expert Solution
Check Mark

Answer to Problem 18P

The reactions that cannot occur are (a), (b) and (c).

Explanation of Solution

Write the reaction (a).

    ΞΛ0+μ+νμ

Reaction (a) cannot occur because muon lepton number and strangeness are not conserved.

Write the reaction (b).

    KS02π0

Reaction (b) cannot occur because strangeness is not conserved.

Write the reaction (c).

    K+pΣ0+n

Reaction (c) cannot occur because baryon number is not conserved.

Conclusion:

Thus, the reactions that cannot occur are (a), (b) and (c).

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Determine which of the following reactions can occur. For those that cannot occur, determine the conservation law (or laws) violated. (a) p→ ㅠ + mo (b) p + p → p + p + 7° (c) p+p - p+ n* (e) n → p+e- + ī, (d) * → ut + v. (f) → ut + n
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