VBH tau-tau

Vector Boson Fusion.

import matplotlib.pyplot as plt
from feynman import Diagram

fig = plt.figure(figsize=(10.,10.))
ax = fig.add_axes([0,0,1,1], frameon=False)

diagram = Diagram(ax)
#diagram.text(.5,0.9,r"Vector Boson Fusion (VBF) Higgs $\rightarrow\tau\tau$",fontsize=40)
in1 = diagram.vertex(xy=(.1,.8), marker='')
in2= diagram.vertex(xy=(.1,.2), marker='')
v1 = diagram.vertex(xy=(.3,.7))
v2 = diagram.vertex(xy=(.3,.3))
v3 = diagram.vertex(xy=(.5,.5))
out1 = diagram.vertex(xy=(.9,.8), marker='')
out2 = diagram.vertex(xy=(.9,.2), marker='')
higgsf = diagram.vertex(xy=(.7,.5))
tau1 = diagram.vertex(xy=(.9,.7), marker='')
tau2 = diagram.vertex(xy=(.9,.3), marker='')

q1 = diagram.line(in1, v1, arrow=False)
q2 = diagram.line(in2, v2, arrow=False)
wz1 = diagram.line(v1, v3, style='wiggly')
wz2 = diagram.line(v2, v3, style='wiggly')
higgs = diagram.line(v3, higgsf, style='dashed', arrow=False)
q3 = diagram.line(v1, out1, arrow=False)
q4 = diagram.line(v2, out2, arrow=False)
t1 = diagram.line(higgsf, tau1)
t2 = diagram.line(tau2, higgsf)

q1.text("$q_1$",fontsize=30)
q2.text("$q_2$",fontsize=30)
diagram.text(v3.xy[0], v3.xy[1]+0.11, "$Z/W^\pm$",fontsize=30)
wz2.text("$Z/W^\pm$",fontsize=30)
q3.text("$q_3$",fontsize=30)
q4.text("$q_4$",fontsize=30)
higgs.text("$H$",fontsize=30)
t1.text(r"$\tau^-$",fontsize=35)
t2.text(r"$\tau^+$",fontsize=35)

diagram.plot()
plt.show()

Total running time of the script: ( 0 minutes 0.095 seconds)