Twist2AlienOperator
Twist2AlienOperator[p, 0] : (7); Twist2AlienOperator[p1,p2,{p3,mu,a}, 0] (p1: incoming quark momentum, p3: incoming gluon (count1)).
See also
Overview, Twist2GluonOperator.
Examples
Twist2AlienOperator[p, 0]
Twist2AlienOperator[p1, p2, {p3, mu, a}, 0]
ε2(m2−m+11−m−12)CFgs2Snγ⋅Δ(Δ⋅p)m−1
εi((−1)m+1)gs3ΔmuSnTa.(γ⋅Δ)((m2−m+11−m−12)(Δ⋅p1+Δ⋅p3(Δ⋅p1)m−1−Δ⋅p1+Δ⋅p3(−(Δ⋅p3))m−1)+(m−11−m1)(−(Δ⋅p3))m−2)