The U(1)A anomaly in noncommutative SU(N) theories

C. P. Martin, C. Tamarit

We work out the one-loop $U(1{)}_A$ anomaly for noncommutative SU(N) gauge theories up to second order in the noncommutative parameter ${\theta }^{\mu \nu }$. We set ${\theta }^{0i}=0$ and conclude that t…