Question

3. Baryons are bound states of three quarks. They labeled by their quark composition, and their total angular momentum J. The“light” baryons are made of u, d, or s.

(a) Look up the names of the 10 light baryons which have J = 3/2. List each of their quark composition.

(b) Look up the names of the 8 light baryons which have J = 1/2. List each of their quark composition. (Note, both the neutral lambda and the neutral sigma have the same quark composition)

(c) In a sentence or two, argue for why are there more light baryons with J = 3/2 than with J = 1/2? [Hint: think about the case uuu, and what the spin wavefunction looks like.]

Answer 1

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