Question
Show that the color factor for $\gamma^{*} \mathrm{~g} \rightarrow \mathrm{q} \overline{\mathrm{q}}$ is $\frac{1}{2}$.
Step 1
The process we are considering is the interaction of a virtual photon (\(\gamma^*\)) with a gluon (\(g\)) to produce a quark (\(q\)) and an anti-quark (\(\overline{q}\)). Show more…
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