javiercast10 Posted September 22, 2016 Share Posted September 22, 2016 Hello, I'm starting to study the quark model and I was trying to understand the patterns of the octet and decimet of baryons (when plotting the hypercharge and 3-component of isospin). In the octet of 1/2+ baryons we may find the particles Sigma^0 and Lambda^0, as while looking at the decimet of 3/2+ baryons we find Sigma*^0, the three of them as a result of coupling the u, d and s quark. These three particles have (T: isospin, j: spin): Lambda^0 -> T = 0, j = 1/2 Sigma^0 - > T = 1, j = 1/2 Sigma*^0 -> T = 1, j = 3/2 My question is Why there isn't a X particle with T = 0 and j = 3/2 (with the same quantum numbers as the rest of the decimet). Thank you Link to comment Share on other sites More sharing options...
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