How Do You Calculate m3 and m4 in Nuclear Reaction Equations?

AI Thread Summary
To calculate m3 and m4 in nuclear reaction equations, one must consider the conservation of nucleons and energy. The equations provided express the kinetic energy relationships and how they relate to the masses of the particles involved. The problem statement emphasizes proving that the number of nucleons remains constant before and after the reaction, specifically in the reaction 10B(n,α)7Li. Clarification is needed on the definitions of nucleons in the context of the particles involved, including 10B, the neutron (n), the alpha particle (α), and 7Li. Understanding these relationships is crucial for solving the problem accurately.
kokolo
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Homework Statement
I need to prove that number of nucleons is same before and after the reaction.
Relevant Equations
10B(n,α)7Li+ 2.8MeV
En=0 Ek(B)=0 Q=Ek3(α)+Ek4(Li) --Q=Ek3(1+m3/m4) (1)
p3=p4 /^2 -- 2*m3*Ek3=2*m4*Ek4 --- Ek4=m3/m4 * Ek3 (2)
(1) and (2) Ek4= m3/(m3+m4) * Q, but I'm not sure how to find m3 or m4 and if this is true
 
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"I need to prove that number of nucleons is same before and after the reaction" is not a problem statement. It is an expression of your need. Please post the problem statement as was given to you and be sure to include the reaction.
 
kokolo said:
Homework Statement: I need to prove that number of nucleons is same before and after the reaction.
Relevant Equations: 10B(n,α)7Li+ 2.8MeV

En=0 Ek(B)=0 Q=Ek3(α)+Ek4(Li) --Q=Ek3(1+m3/m4) (1)
p3=p4 /^2 -- 2*m3*Ek3=2*m4*Ek4 --- Ek4=m3/m4 * Ek3 (2)
(1) and (2) Ek4= m3/(m3+m4) * Q, but I'm not sure how to find m3 or m4 and if this is true
What are "number of nucleons" in 10B, n, the α-particle, and 7Li?
 
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How do you interpret what you posted in #4?
What do you have before the reaction?
What do you have after the reaction?

Also, when you write 5B10, what do the numbers "5" and "10" stand for?
 
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