COLLEGE PHYSICS,V.2
COLLEGE PHYSICS,V.2
11th Edition
ISBN: 9781305965522
Author: SERWAY
Publisher: CENGAGE L
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Chapter 30, Problem 1CQ

(a)

To determine

The conservation laws violated in the reaction, K+π++π0

(a)

Expert Solution
Check Mark

Answer to Problem 1CQ

The strangeness is not conserved in the reaction.

Explanation of Solution

The reaction is,

 K+π++π0

The following table gives the conservation law violated in the reaction.

 K+π+π0Total before the reactionTotal after the reaction
Strangeness+100+10

Thus, the strangeness is not conserved in the reaction.

Conclusion:

The strangeness is not conserved in the reaction.

(b)

To determine

The conservation laws violated in the reaction, np+e

(b)

Expert Solution
Check Mark

Answer to Problem 1CQ

The electro- lepton number is not conserved in this reaction.

Explanation of Solution

The reaction is,

 np+e

The following table gives the conservation laws violated in the reaction.

 npeTotal before the reactionTotal after reaction
Lepton number00101

Thus, the Lepton number is not conserved in this reaction.

Conclusion:

The electro- lepton number is not conserved in this reaction.

(c)

To determine

The conservation laws violated in the reaction, pe++νe

(c)

Expert Solution
Check Mark

Answer to Problem 1CQ

The baryon number is not conserved in the reaction.

Explanation of Solution

The reaction is,

 pe++νe

The following table gives the conservation law violated in the reaction.

 pe+νeTotal before the reactionTotal after the reaction
Baryon number10010

Thus, baryon number is not conserved in the reaction.

Conclusion:

The baryon number is not conserved in the reaction.

(d)

To determine

The conservation laws violated in the reaction, Λ0p+π

(d)

Expert Solution
Check Mark

Answer to Problem 1CQ

The baryon number is not conserved in the reaction.

Explanation of Solution

The reaction is,

 Λ0p+π

The following table gives the conservation law violated in the reaction.

 Λ0pπTotal before the reactionTotal after the reaction
Baryon number01001

Thus, baryon number is not conserved in the reaction.

Conclusion:

The baryon number is not conserved in the reaction.

(e)

To determine

The conservation laws violated in the reaction, π++nπ+p

(e)

Expert Solution
Check Mark

Answer to Problem 1CQ

The charge is not conserved in the reaction.

Explanation of Solution

The reaction is,

 π++nπ+p

The following table gives the conservation law violated in the reaction.

 π+nπpTotal before the reactionTotal after the reaction
Charge000101

Thus, the charge is not conserved in the reaction.

Conclusion:

The charge is not conserved in the reaction.

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