FeynMF

From:

• https://ctan.math.illinois.edu/macros/latex/contrib/feynmf/fmfman.pdf

• https://www2.pd.infn.it/TeX/doc/latex/feynmf/manual.pdf

Box

from feynml import *
from feynml.topology import two_to_two as t2t
from pyfeyn2.auto import auto_default
from pyfeyn2.render.all import AllRender

fd = t2t.v_channel("b","c_bar","b_bar","c")
fd.insert_vertex_loop(fd.vertices[0],"W+","t_bar","W-","t")
# Fix top arrow orientation in box
for t in filter(lambda t : t.name == "t", fd.propagators):
    t.conjugate()
ar = AllRender(auto_default(fd))
ar.render()

tikz:

pyx:

feynmp:

feynman:

dot:

mermaid:

asciipdf:

unicodepdf:

madgraph:
madgraph failed:
Traceback (most recent call last):
  File "/home/apn/git/pyfeyn2/pyfeyn2/render/all.py", line 113, in render
    render(fd).render(dirpath + "/" + name + ".pdf", **dynarg)
    ~~~~~~^^^^
  File "/home/apn/git/pyfeyn2/pyfeyn2/render/ps/madgraph.py", line 77, in __init__
    self.set_feynman_diagram(fd)
    ~~~~~~~~~~~~~~~~~~~~~~~~^^^^
  File "/home/apn/git/pyfeyn2/pyfeyn2/render/ps/madgraph.py", line 131, in set_feynman_diagram
    self.set_src(feynman_to_ps(fd))
                 ~~~~~~~~~~~~~^^^^
  File "/home/apn/git/pyfeyn2/pyfeyn2/render/ps/madgraph.py", line 47, in feynman_to_ps
    line = type_map[style.getProperty("line").value]
           ~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
KeyError: 'boson'

2 to 4

fd = t2t.s_channel("e-","e+","gamma","W+","W-")
l1 = fd.legs[2]
l2 = fd.legs[3]
fd.emission(l1,"c_bar",end="s")
ar = AllRender(auto_default(fd))
ar.render()

tikz:

pyx:

feynmp:

feynman:

dot:

mermaid:

asciipdf:

unicodepdf:

madgraph:
madgraph failed:
Traceback (most recent call last):
  File "/home/apn/git/pyfeyn2/pyfeyn2/render/all.py", line 113, in render
    render(fd).render(dirpath + "/" + name + ".pdf", **dynarg)
    ~~~~~~^^^^
  File "/home/apn/git/pyfeyn2/pyfeyn2/render/ps/madgraph.py", line 77, in __init__
    self.set_feynman_diagram(fd)
    ~~~~~~~~~~~~~~~~~~~~~~~~^^^^
  File "/home/apn/git/pyfeyn2/pyfeyn2/render/ps/madgraph.py", line 131, in set_feynman_diagram
    self.set_src(feynman_to_ps(fd))
                 ~~~~~~~~~~~~~^^^^
  File "/home/apn/git/pyfeyn2/pyfeyn2/render/ps/madgraph.py", line 47, in feynman_to_ps
    line = type_map[style.getProperty("line").value]
           ~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
KeyError: 'boson'

fd = t2t.s_channel("e-","e+","gamma","W-","W+")
l1 = fd.legs[2]
l2 = fd.legs[3]
fd.decay(l1,"c_bar","s")
fd.decay(l2,"nu_mu","mu+")
ar = AllRender(auto_default(fd))
ar.render()

tikz:

pyx:

feynmp:

feynman:

dot:

mermaid:

asciipdf:

unicodepdf:

madgraph:
madgraph failed:
Traceback (most recent call last):
  File "/home/apn/git/pyfeyn2/pyfeyn2/render/all.py", line 113, in render
    render(fd).render(dirpath + "/" + name + ".pdf", **dynarg)
    ~~~~~~^^^^
  File "/home/apn/git/pyfeyn2/pyfeyn2/render/ps/madgraph.py", line 77, in __init__
    self.set_feynman_diagram(fd)
    ~~~~~~~~~~~~~~~~~~~~~~~~^^^^
  File "/home/apn/git/pyfeyn2/pyfeyn2/render/ps/madgraph.py", line 131, in set_feynman_diagram
    self.set_src(feynman_to_ps(fd))
                 ~~~~~~~~~~~~~^^^^
  File "/home/apn/git/pyfeyn2/pyfeyn2/render/ps/madgraph.py", line 47, in feynman_to_ps
    line = type_map[style.getProperty("line").value]
           ~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
KeyError: 'boson'