- #1
genloz
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Homework Statement
I'm trying to determine the predicted meson masses but am having a little trouble with working out the spins...
Homework Equations
[tex]m=(q\overline{q})=m_{1}+m_{2}+A\frac{S_{1} \bullet S_{2}}{m_{1}m_{2}}[/tex]
The Attempt at a Solution
I understand that using a quark up and down mass of 310MeV/c^2 and an A value of 0.06GeV^3 I can simply sub these values into the equation, but how do I determine the spin?
I found an equation:
[tex]S_{1}\bulletS_{2}=0.5[S(S+1)-S_{1}(S_{1}+1)-S_{2}(S_{2}+1)][/tex]
but I'm a bit confused about how the quark spins relate to the above formula...
Thanks!