Recent content by xino

PS: I should acknowledge that I arrived at the posted summary after private correspondence with Simon.

Hi, first of all, many thanks for taking your time and writing such a helpful and extensive answer. In the meantime I had come up with a different (and less elegant way) to get the same results except for a relative charge normalization. My way of doing this was as follows. I set up a...

Hi, there exist tables with group theory breaking patters and branching rules such as E_7 \rightarrow E_6 \times U(1) 133 \rightarrow 78 + 1 + 27 + \bar{27} 56 \rightarrow 1 + 1 + 27 + \bar{27} What is missing is the U(1) charge. Does anyone know how to obtain it? Perhaps it could be...