2231 f(-p₁) + f(-p₂) → W⁺(ν_e(p₃),e⁺(p₄))Z(μ- (p₅),μ + (p₆))) + f(p₇) + f(p₈)

,strong

2231.1 ν_ee⁺μ^-μ⁺-pair production via WBF, processes 223,2231

The weak process (nproc=223) occurs in O(α⁶), whereas the strong process occurs (nproc=2231) in O(α⁴α_S²). These processes can currently only be calculated at lowest order.

223 f (p1)+ f(p2) → W +(νe(p3),e+ (p4))Z(μ- (p5),μ+ (p6)))+ f(p7)+ f(p8)[weak] 2231 f (p )+ f(p ) → W +(ν(p ),e+ (p ))Z(μ- (p ),μ+ (p)))+ f(p )+ f(p)[strong] 1 2 e 3 4 5 6 7 8

2231.2 Plotter

nplotter_qqZZqq.f is the default plotting routine.

2231.3 Example input and output file(s)

input2231.ini process2231.out

2231 f(-p1) + f(-p2) → W+(νe(p3),e+(p4))Z(μ- (p5),μ + (p6))) + f(p7) + f(p8)

2231.1 νee+μ-μ+-pair production via WBF, processes 223,2231

2231.2 Plotter

2231.3 Example input and output file(s)

References

2231 f(-p₁) + f(-p₂) → W⁺(ν_e(p₃),e⁺(p₄))Z(μ- (p₅),μ + (p₆))) + f(p₇) + f(p₈)

2231.1 ν_ee⁺μ^-μ⁺-pair production via WBF, processes 223,2231