Positronium Hyperfine Splitting in Non-commutative Space at the Order ${\alpha }^6$

M. Haghighat, S. M. Zebarjad, F. Loran

We obtain positronium Hyperfine Splitting owing to the non-commutativity of space and show that, in the leading order, it is proportional to $\theta {\alpha }^6$ where, $\theta$ is the parameter of n…