% TikZ-FeynHand, Version 1.1.0 of 2019/08/19

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% TikZ-FeynHand, Version 1.1.0 of 2019/08/19
% Feynhand Diagrams with TikZ (LaTex manual version)
% Copyright (C) 2019 Max Dohse
% Copyright (C) 2016 Joshua Ellis
%
%
% This LaTeX file and the whole package are free:
% you can redistribute it and/or modify it under the
% terms of the GNU General Public License as published by the Free Software Foundation,
% either version 3 of the License, or (at your option) any later version.
%
% This file is a modification of the file tikzfeynman.keys.code.tex
% of the package tikz-feynman (version 1.1.0 of 2016/02/05)
% which is available online at https://ctan.org/pkg/tikz-feynman
% for a list of changes, see the file CHANGES.TXT
%
% available at https://ctan.org/pkg/tikz-feynhand
% The Current Maintainer of this work is Max Dohse.
%
% This program is distributed in the hope that it will be useful, but WITHOUT
% ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
% FOR A PARTICULAR PURPOSE.
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Lengths
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\newlength{\feynhanddotsize}
\setlength{\feynhanddotsize}{1.5mm}

\newlength{\feynhandblobsize}
\setlength{\feynhandblobsize}{7.5mm}

\newlength{\feynhandlinesize}
\setlength{\feynhandlinesize}{0.5pt}

\newlength{\feynhandarrowsize}
\setlength{\feynhandarrowsize}{6pt}

\newlength{\feynhandtopsep}
\setlength{\feynhandtopsep}{18\feynhandlinesize}

%% Colors
\newcommand{\feynhandtopsepcolor}{white}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Shapes
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Crossed Circle
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\pgfdeclareshape{crossed circle}
{
\inheritsavedanchors[from=circle]
\inheritanchorborder[from=circle]
\inheritanchor[from=circle]{north}
\inheritanchor[from=circle]{north west}
\inheritanchor[from=circle]{north east}
\inheritanchor[from=circle]{center}
\inheritanchor[from=circle]{west}
\inheritanchor[from=circle]{east}
\inheritanchor[from=circle]{mid}
\inheritanchor[from=circle]{mid west}
\inheritanchor[from=circle]{mid east}
\inheritanchor[from=circle]{base}
\inheritanchor[from=circle]{base west}
\inheritanchor[from=circle]{base east}
\inheritanchor[from=circle]{south}
\inheritanchor[from=circle]{south west}
\inheritanchor[from=circle]{south east}

\inheritbackgroundpath[from=circle]

\foregroundpath{
% Compute south west
\centerpoint
\pgf@xc=\radius
\advance\pgf@x by-0.707107\pgf@xc
\advance\pgf@y by-0.707107\pgf@xc
\pgf@xa=\pgf@x \pgf@ya=\pgf@y % Store coordinates
% Compute north east point
\centerpoint
\pgf@xc=\radius
\advance\pgf@x by0.707107\pgf@xc
\advance\pgf@y by0.707107\pgf@xc
\pgf@xb=\pgf@x \pgf@yb=\pgf@y % Store coordinates
\pgfpathmoveto{\pgfqpoint{\pgf@xa}{\pgf@ya}}
\pgfpathlineto{\pgfqpoint{\pgf@xb}{\pgf@yb}}
\pgfpathmoveto{\pgfqpoint{\pgf@xa}{\pgf@yb}}
\pgfpathlineto{\pgfqpoint{\pgf@xb}{\pgf@ya}}
\pgfsetarrowsstart{}
\pgfsetarrowsend{}
}
}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Decorations
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Complete Sines
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Complete sines replaces the path with a whole number of sine waves.
%% Thanks to http://tex.stackexchange.com/a/134516/26980
\pgfdeclaredecoration{complete sines}{initial}
{
%% Begin by computing the overall path length and find how many sine waves we
%% can fit in. Nothing happens beyond the computation.
\state{initial}[
width=+0pt,
next state=move,
persistent precomputation={
\def\tikzfeynhand@cs@angle@step{30}
\def\tikzfeynhand@cs@current@angle{0}
\pgfmathsetlengthmacro{\tikzfeynhand@cs@points@per@step}{
\pgfdecoratedinputsegmentlength
/ int(\pgfdecoratedinputsegmentlength
/ \pgfdecorationsegmentlength)
/ 360
* \tikzfeynhand@cs@angle@step}
},
]{}
%% Move to the origin to the path
\state{move}[
width=+\tikzfeynhand@cs@points@per@step,
next state=draw
]{
\pgfpathmoveto{\pgfpointorigin}
}
%% Draw the sine wave itself. This computes the value every 20 degrees and draws straight edges.
\state{draw}[
width=+\tikzfeynhand@cs@points@per@step,
switch if less than=1.25*\tikzfeynhand@cs@points@per@step to final, % <- bit of a hack
persistent postcomputation={
\pgfmathparse{mod(\tikzfeynhand@cs@current@angle+\tikzfeynhand@cs@angle@step, 360)}
\let\tikzfeynhand@cs@current@angle=\pgfmathresult%
},
]{
% \pgfmathparse{sin(\tikzfeynhand@cs@current@angle) * \pgfmetadecorationsegmentamplitude / 2}
\pgfmathparse{sin(\tikzfeynhand@cs@current@angle) * 3 * \feynhandlinesize / 2}
\tikz@decoratepathfalse
\pgfpathlineto{\pgfqpoint{0pt}{\pgfmathresult pt}}%
}

\state{final}{
\ifdim\pgfdecoratedremainingdistance>0pt\relax
\pgfpathlineto{\pgfpointdecoratedpathlast}
\fi
}
}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Keys
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\tikzfeynhandset{
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Hooks
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
execute at begin feynhand/.code={},
execute at end feynhand/.code={},
every feynhand/.style={/tikzfeynhand/every feynhand@@/.append style={#1}},
every feynhand@@/.style={
/tikzfeynhand/.cd,
},
execute at begin feynhand@@/.code={} %% Internal version
execute at end feynhand@@/.code={}, %% Internal version
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Vertices
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
every vertex@@/.style={
/tikz/shape=coordinate,
},
every vertex/.style={/tikzfeynhand/every vertex@@/.append style={#1}},
vertex/.style={
/tikzfeynhand/every vertex@@,
},
%% DOTS + friends
every dot@@/.style={
/tikz/shape=circle,
/tikz/draw,
/tikz/fill,
/tikz/inner sep=0pt,
/tikz/outer sep=0pt,
/tikz/minimum size=\feynhanddotsize,
/tikz/line width = \feynhandlinesize,
},
every dot/.style={/tikzfeynhand/every dot@@/.append style={#1}},
dot/.style={
/tikzfeynhand/every dot@@,
},
every squaredot@@/.style={
/tikz/shape=rectangle,
},
every squaredot/.style={/tikzfeynhand/every squaredot@@/.append style={#1}},
squaredot/.style={
/tikzfeynhand/every dot@@,
/tikzfeynhand/every squaredot@@,
},
every ringdot@@/.style={
/tikz/fill=none,
},
every ringdot/.style={/tikzfeynhand/every ringdot@@/.append style={#1}},
ringdot/.style={
/tikzfeynhand/every dot@@,
/tikzfeynhand/every ringdot@@,
},
every crossdot@@/.style={
/tikz/fill=none,
/tikz/shape=crossed circle,
/tikz/minimum size=2\feynhanddotsize,
},
every crossdot/.style={/tikzfeynhand/every crossdot@@/.append style={#1}},
crossdot/.style={
/tikzfeynhand/every dot@@,
/tikzfeynhand/every crossdot@@,
},
%% BLOBS -------------------------------------------------
every blob@@/.style={
/tikz/shape=circle,
/tikz/draw,
/tikz/fill,
/tikz/outer sep={0.5*\the\feynhandlinesize},
/tikz/inner sep=0pt,
/tikz/minimum size=\feynhandblobsize,
/tikz/line width = \feynhandlinesize,
},
every blob/.style={/tikzfeynhand/every blob@@/.append style={#1}},
blob/.style={
/tikzfeynhand/every blob@@,
/tikz/fill=black,
},
every ringblob@@/.style={
},
every ringblob/.style={/tikzfeynhand/every ringblob@@/.append style={#1}},
ringblob/.style={
/tikzfeynhand/every blob@@,
/tikzfeynhand/every ringblob@@,
/tikz/fill=white,
},
every NWblob@@/.style={
},
every NWblob/.style={/tikzfeynhand/every NWblob@@/.append style={#1}},
NWblob/.style={
/tikzfeynhand/every blob@@,
/tikzfeynhand/every NWblob@@,
/tikz/fill=none,
/tikz/pattern=north west lines,
},
every NEblob@@/.style={
},
every NEblob/.style={/tikzfeynhand/every NEblob@@/.append style={#1}},
NEblob/.style={
/tikzfeynhand/every blob@@,
/tikzfeynhand/every NEblob@@,
/tikz/fill=none,
/tikz/pattern=north east lines,
},
every grayblob@@/.style={
},
every grayblob/.style={/tikzfeynhand/every grayblob@@/.append style={#1}},
grayblob/.style={
/tikzfeynhand/every blob@@,
/tikzfeynhand/every grayblob@@,
/tikz/fill=gray!50!white,
},
%% PARTICLES
every particle@@/.style={
/tikz/shape=rectangle,
/tikz/draw=none,
/tikz/fill=none,
/tikz/inner sep=0.3333em,
/tikz/outer sep={0.5*\the\feynhandlinesize},
},
every particle/.style={/tikzfeynhand/every particle@@/.append style={#1}},
particle/.style args={#1}{
/tikzfeynhand/every particle@@,
},
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Edge styles
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Arrow Style
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
arrow size/.store in=\tikzfeynhand@arrow@size,
arrow size=\feynhandarrowsize,
with arrow/.style={
/tikz/decoration={
markings,
mark=at position #1 with {
\node[
transform shape,
%xshift=0.5mm,
xshift=-0.166666\feynhandarrowsize,
fill,
inner sep=0mm,
minimum width = \tikzfeynhand@arrow@size,
draw=none,
isosceles triangle
] { };
},
},
/tikz/postaction={
/tikz/decorate=true,
},
},
with reversed arrow/.style={
/tikz/decoration={
markings,
mark=at position #1 with {
\node[
transform shape,
%xshift=0.5mm,
xshift=0.166666\feynhandarrowsize,
rotate=180,
fill,
inner sep=0mm,
minimum width = \tikzfeynhand@arrow@size,
draw=none,
isosceles triangle
] { };
},
},
/tikz/postaction={
/tikz/decorate=true,
},
},
%% Base Edge Styles
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
every edge@@/.style={},
every edge/.style={/tikzfeynhand/every edge@@/.append style={#1}},
%% Specific Styles
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
every plain@@/.style={
/tikz/draw=none,
/tikz/line width = \feynhandlinesize,
/tikz/decoration={name=none},
/tikz/postaction={
/tikz/draw,
},
},
every plain/.style={/tikzfeynhand/every plain@@/.append style={#1}},
plain/.style={
/tikzfeynhand/every plain@@,
},
every top@@/.style={
/tikz/preaction={draw=\feynhandtopsepcolor,line width=\feynhandtopsep}
},
every top/.style={/tikzfeynhand/every top@@/.append style={#1}},
top/.style={
/tikzfeynhand/every top@@,
},
every boson@@/.style={
/tikz/draw=none,
/tikz/decoration={name=none},
/tikz/postaction={
/tikz/draw,
/tikz/line width = \feynhandlinesize,
/tikz/decoration={
complete sines,
amplitude=3\feynhandlinesize,
segment length=7.5\feynhandlinesize,
},
/tikz/decorate=true,
},
},
every boson/.style={/tikzfeynhand/every boson@@/.append style={#1}},
boson/.style={
/tikzfeynhand/every boson@@,
},
every charged boson@@/.style={
/tikzfeynhand/with arrow=0.5,
},
every charged boson/.style={/tikzfeynhand/every charged boson@@/.append style={#1}},
charged boson/.style={
/tikzfeynhand/boson,
/tikzfeynhand/every charged boson@@,
},
every anti charged boson@@/.style={
/tikzfeynhand/with reversed arrow=0.5,
},
every anti charged boson/.style={/tikzfeynhand/every anti charged boson@@/.append style={#1}},
anti charged boson/.style={
/tikzfeynhand/boson,
/tikzfeynhand/every anti charged boson@@,
},
every photon@@/.style={
/tikz/draw=none,
/tikz/decoration={name=none},
/tikz/postaction={
/tikz/draw,
/tikz/line width = \feynhandlinesize,
/tikz/decoration={
complete sines,
amplitude=3\feynhandlinesize,
segment length=7.5\feynhandlinesize,
},
/tikz/decorate=true,
},
},
every photon/.style={/tikzfeynhand/every photon@@/.append style={#1}},
photon/.style={
/tikzfeynhand/every photon@@,
},
every scalar@@/.style={
/tikz/draw=none,
/tikz/decoration={name=none},
/tikz/postaction={
/tikz/draw,
/tikz/dashed,
/tikz/line width = \feynhandlinesize,
},
},
every scalar/.style={/tikzfeynhand/every scalar@@/.append style={#1}},
scalar/.style={
/tikzfeynhand/every scalar@@,
},
every charged scalar@@/.style={
/tikz/draw=none,
/tikz/decoration={name=none},
/tikz/postaction={
/tikzfeynhand/with arrow=0.5,
},
},
every charged scalar/.style={/tikzfeynhand/every charged scalar@@/.append style={#1}},
charged scalar/.style={
/tikzfeynhand/scalar,
/tikzfeynhand/every charged scalar@@,
},
every anti charged scalar@@/.style={
/tikz/draw=none,
/tikz/decoration={name=none},
/tikz/postaction={
/tikzfeynhand/with reversed arrow=0.5,
},
},
every anti charged scalar/.style={/tikzfeynhand/every anti charged scalar@@/.append style={#1}},
anti charged scalar/.style={
/tikzfeynhand/scalar,
/tikzfeynhand/every anti charged scalar@@,
},
every ghost@@/.style={
/tikz/draw=none,
/tikz/decoration={name=none},
/tikz/postaction={
/tikz/draw,
/tikz/dotted,
/tikz/line width = 2\feynhandlinesize,
},
},
every ghost/.style={/tikzfeynhand/every ghost@@/.append style={#1}},
ghost/.style={
/tikzfeynhand/every ghost@@,
},
every charged ghost@@/.style={
/tikz/draw=none,
/tikz/decoration={name=none},
/tikz/postaction={
/tikzfeynhand/with arrow=0.5,
},
},
every charged ghost/.style={/tikzfeynhand/every charged ghost@@/.append style={#1}},
charged ghost/.style={
/tikzfeynhand/ghost,
/tikzfeynhand/every charged ghost@@,
},
every anti charged ghost@@/.style={
/tikz/draw=none,
/tikz/decoration={name=none},
/tikz/postaction={
/tikzfeynhand/with reversed arrow=0.5,
},
},
every anti charged ghost/.style={/tikzfeynhand/every anti charged ghost@@/.append style={#1}},
anti charged ghost/.style={
/tikzfeynhand/ghost,
/tikzfeynhand/every anti charged scalar@@,
},
every fermion@@/.style={
/tikz/draw=none,
/tikz/decoration={name=none},
/tikz/postaction={
/tikz/draw,
/tikz/line width = \feynhandlinesize,
/tikzfeynhand/with arrow=0.5,
},
},
every fermion/.style={/tikzfeynhand/every fermion@@/.append style={#1}},
fermion/.style={
/tikzfeynhand/every fermion@@,
},
every anti fermion@@/.style={
/tikz/draw=none,
/tikz/decoration={name=none},
/tikz/postaction={
/tikz/draw,
/tikz/line width = \feynhandlinesize,
/tikzfeynhand/with reversed arrow=0.5,
},
},
every anti fermion/.style={/tikzfeynhand/every anti fermion@@/.append style={#1}},
anti fermion/.style={
/tikzfeynhand/every anti fermion@@,
},
every majorana@@/.style={
/tikz/draw=none,
/tikz/decoration={name=none},
/tikz/postaction={
/tikz/draw,
/tikzfeynhand/with arrow=0.33,
/tikzfeynhand/with reversed arrow=0.73,
/tikz/line width = \feynhandlinesize,
},
},
every majorana/.style={/tikzfeynhand/every majorana@@/.append style={#1}},
majorana/.style={
/tikzfeynhand/every majorana@@,
},
every anti majorana@@/.style={
/tikz/draw=none,
/tikz/decoration={name=none},
/tikz/postaction={
/tikz/draw,
/tikzfeynhand/with reversed arrow=0.33,
/tikzfeynhand/with arrow=0.73,
/tikz/line width = \feynhandlinesize,
},
},
every anti majorana/.style={/tikzfeynhand/every anti majorana@@/.append style={#1}},
anti majorana/.style={
/tikzfeynhand/every anti majorana@@,
},
every gluon@@/.style={
/tikz/draw=none,
/tikz/decoration={name=none},
/tikz/postaction={
/tikz/draw,
/tikz/line width = \feynhandlinesize,
/tikz/decoration={
coil,
aspect=1.2,
mirror,
amplitude=3\feynhandlinesize,
segment length=8\feynhandlinesize,
},
/tikz/decorate=true,
},
},
every gluon/.style={/tikzfeynhand/every gluon@@/.append style={#1}},
gluon/.style={
/tikzfeynhand/every gluon@@,
},
% short versions of style names
pho/.style={
/tikzfeynhand/photon,
},
bos/.style={
/tikzfeynhand/boson,
},
antbos/.style={
/tikzfeynhand/anti charged boson,
},
chabos/.style={
/tikzfeynhand/charged boson,
},
sca/.style={
/tikzfeynhand/scalar,
},
chasca/.style={
/tikzfeynhand/charged scalar,
},
antsca/.style={
/tikzfeynhand/anti charged scalar,
},
fer/.style={
/tikzfeynhand/fermion,
},
antfer/.style={
/tikzfeynhand/anti fermion,
},
gho/.style={
/tikzfeynhand/ghost,
},
chagho/.style={
/tikzfeynhand/charged ghost,
},
antgho/.style={
/tikzfeynhand/anti charged ghost,
},
glu/.style={
/tikzfeynhand/gluon,
},
maj/.style={
/tikzfeynhand/majorana,
},
antmaj/.style={
/tikzfeynhand/anti majorana,
},
%% Insertions
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
insertion/.search also={/tikzfeynhand,/tikz},
%% Parameters
insertion/size/.store in=\tikzfeynhand@insertion@size,
insertion/size=5\feynhandlinesize,
insertion/style/.store in=\tikzfeynhand@insertion@style,
insertion/style={},
%% Styles
insertion@@/.style args={[#1]#2}{
/tikz/line width = \feynhandlinesize,
/tikz/decoration={
markings,
mark=at position #2 with {
\tikzfeynhandset{insertion/.cd,#1}
\draw [\tikzfeynhand@insertion@style] (-\tikzfeynhand@insertion@size, -\tikzfeynhand@insertion@size) -- (\tikzfeynhand@insertion@size, \tikzfeynhand@insertion@size);
\draw [\tikzfeynhand@insertion@style] (-\tikzfeynhand@insertion@size, \tikzfeynhand@insertion@size) -- (\tikzfeynhand@insertion@size, -\tikzfeynhand@insertion@size);
},
},
/tikz/postaction={
/tikz/decorate=true,
},
},
insertion@@/.default={[]0.5},
%%
%% Slashes
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
slash/.search also={/tikzfeynhand,/tikz},
%% Parameters
slash/size/.store in=\tikzfeynhand@slash@size,
slash/size=5\feynhandlinesize,
slash/style/.store in=\tikzfeynhand@slash@style,
slash/style={},
%% Styles
slash@@/.style args={[#1]#2}{
/tikz/line width = \feynhandlinesize,
/tikz/decoration={
markings,
mark=at position #2 with {
\tikzfeynhandset{slash/.cd,#1}
\draw [\tikzfeynhand@slash@style] (-\tikzfeynhand@slash@size, -2*\tikzfeynhand@slash@size) -- (\tikzfeynhand@slash@size, 2*\tikzfeynhand@slash@size);
},
},
/tikz/postaction={
/tikz/decorate=true,
},
},
slash@@/.default={[]0.5},
%%
%% Backslashes
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
backslash/.search also={/tikzfeynhand,/tikz},
%% Parameters
backslash/size/.store in=\tikzfeynhand@backslash@size,
backslash/size=5\feynhandlinesize,
backslash/style/.store in=\tikzfeynhand@backslash@style,
backslash/style={},
%% Styles
backslash@@/.style args={[#1]#2}{
/tikz/line width = \feynhandlinesize,
/tikz/decoration={
markings,
mark=at position #2 with {
\tikzfeynhandset{backslash/.cd,#1}
\draw [\tikzfeynhand@backslash@style] (-\tikzfeynhand@backslash@size, 2*\tikzfeynhand@backslash@size) -- (\tikzfeynhand@backslash@size, -2*\tikzfeynhand@backslash@size);
},
},
/tikz/postaction={
/tikz/decorate=true,
},
},
backslash@@/.default={[]0.5},
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Momentum arrows
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
momentum/.search also={/tikzfeynhand,/tikz},
%% Parameters
momentum/label distance/.store in=\tikzfeynhand@momentum@label@distance,
momentum/label distance=0pt,
momentum/arrow distance/.store in=\tikzfeynhand@momentum@arrow@distance,
momentum/arrow distance={\the\feynhandarrowsize},
momentum/arrow shorten/.store in=\tikzfeynhand@momentum@arrow@shorten,
momentum/arrow shorten=0.2,
momentum/label style/.store in=\tikzfeynhand@momentum@label@style,
momentum/label style={},
momentum/arrow style/.store in=\tikzfeynhand@momentum@arrow@style,
momentum/arrow style={},
momentum/arrow thickness/.store in=\tikzfeynhand@momentum@arrow@thickness,
momentum/arrow thickness={0.64*\the\feynhandlinesize},
momentum/arrow size/.store in=\tikzfeynhand@momentum@arrow@size,
momentum/arrow size={0.8*\the\feynhandarrowsize},
%% Styles
momentum@@/.style args={[#1]#2}{
/tikz/preaction={
/tikz/decoration={
show path construction,
moveto code={},
lineto code={
\tikzfeynhandset{momentum/.cd,#1}
\path (\tikzinputsegmentfirst) -- (\tikzinputsegmentlast)
coordinate [pos=\tikzfeynhand@momentum@arrow@shorten] (tf@m@1)
coordinate [pos=1 - \tikzfeynhand@momentum@arrow@shorten] (tf@m@2);
\draw [-{Stealth[length=\tikzfeynhand@momentum@arrow@size]},
line width=\tikzfeynhand@momentum@arrow@thickness,
\tikzfeynhand@momentum@arrow@style]
($(tf@m@1)!\tikzfeynhand@momentum@arrow@distance!90:(tf@m@2)$)
-- ($(tf@m@2)!\tikzfeynhand@momentum@arrow@distance!-90:(tf@m@1)$)
node [pos=0.5, auto,
outer sep=\tikzfeynhand@momentum@label@distance,
\tikzfeynhand@momentum@label@style] {#2};
},
curveto code={
\tikzfeynhandset{momentum/.cd,#1}
\path (\tikzinputsegmentfirst)
.. controls (\tikzinputsegmentsupporta) and (\tikzinputsegmentsupportb)
.. (\tikzinputsegmentlast)
{ \foreach \i in {1, ..., 50} {
coordinate [pos=\tikzfeynhand@momentum@arrow@shorten + (1-2 * \tikzfeynhand@momentum@arrow@shorten)*\i/50] (tf@m@\i) } };
\draw [-{Stealth[length=\tikzfeynhand@momentum@arrow@size]},
line width=\tikzfeynhand@momentum@arrow@thickness,
\tikzfeynhand@momentum@arrow@style]
($(tf@m@1)!\tikzfeynhand@momentum@arrow@distance!90:(tf@m@2)$)
foreach \i [count=\j from 3] in {2, ..., 24} {
-- ($(tf@m@\i)!\tikzfeynhand@momentum@arrow@distance!90:(tf@m@\j)$)
}
-- ($(tf@m@25)!\tikzfeynhand@momentum@arrow@distance!90:(tf@m@26)$)
node [pos=0.5, auto,
outer sep=\tikzfeynhand@momentum@label@distance,
\tikzfeynhand@momentum@arrow@style] {#2}
foreach \i [count=\j from 27] in {26, ..., 49} {
-- ($(tf@m@\i)!\tikzfeynhand@momentum@arrow@distance!90:(tf@m@\j)$)
}
-- ($(tf@m@50)!\tikzfeynhand@momentum@arrow@distance!-90:(tf@m@49)$);
},
closepath code={
\tikzfeynhandset{momentum/.cd,#1}
\path (\tikzinputsegmentfirst) -- (\tikzinputsegmentlast)
coordinate [pos=\tikzfeynhand@momentum@arrow@shorten] (tf@m@1)
coordinate [pos=1 - \tikzfeynhand@momentum@arrow@shorten] (tf@m@2);
\draw [-{Stealth[length=\tikzfeynhand@momentum@arrow@size]},
line width=\tikzfeynhand@momentum@arrow@thickness,
\tikzfeynhand@momentum@arrow@style]
($(tf@m@1)!\tikzfeynhand@momentum@arrow@distance!90:(tf@m@2)$)
-- ($(tf@m@2)!\tikzfeynhand@momentum@arrow@distance!-90:(tf@m@1)$)
node [pos=0.5, auto,
outer sep=\tikzfeynhand@momentum@label@distance,
\tikzfeynhand@momentum@label@style] {#2};
},
},
/tikz/decorate=true,
},
},
momentum'@@/.style args={[#1]#2}{
/tikz/preaction={
/tikz/decoration={
show path construction,
moveto code={},
lineto code={
\tikzfeynhandset{momentum/.cd,#1}
\path (\tikzinputsegmentfirst) -- (\tikzinputsegmentlast)
coordinate [pos=\tikzfeynhand@momentum@arrow@shorten] (tf@m@1)
coordinate [pos=1 - \tikzfeynhand@momentum@arrow@shorten] (tf@m@2);
\draw [-{Stealth[length=\tikzfeynhand@momentum@arrow@size]},
line width=\tikzfeynhand@momentum@arrow@thickness,
\tikzfeynhand@momentum@arrow@style]
($(tf@m@1)!\tikzfeynhand@momentum@arrow@distance!-90:(tf@m@2)$)
-- ($(tf@m@2)!\tikzfeynhand@momentum@arrow@distance!90:(tf@m@1)$)
node [pos=0.5, auto, swap,
outer sep=\tikzfeynhand@momentum@label@distance,
\tikzfeynhand@momentum@label@style] {#2};
},
curveto code={
\tikzfeynhandset{momentum/.cd,#1}
\path (\tikzinputsegmentfirst)
.. controls (\tikzinputsegmentsupporta) and (\tikzinputsegmentsupportb)
.. (\tikzinputsegmentlast)
{ \foreach \i in {1, ..., 50} {
coordinate [pos=\tikzfeynhand@momentum@arrow@shorten + (1-2 * \tikzfeynhand@momentum@arrow@shorten)*\i/50] (tf@m@\i) } };
\draw [-{Stealth[length=\tikzfeynhand@momentum@arrow@size]},
line width=\tikzfeynhand@momentum@arrow@thickness,
\tikzfeynhand@momentum@arrow@style]
($(tf@m@1)!\tikzfeynhand@momentum@arrow@distance!-90:(tf@m@2)$)
foreach \i [count=\j from 3] in {2, ..., 24} {
-- ($(tf@m@\i)!\tikzfeynhand@momentum@arrow@distance!-90:(tf@m@\j)$)
}
-- ($(tf@m@25)!\tikzfeynhand@momentum@arrow@distance!-90:(tf@m@26)$)
node [pos=0.5, auto, swap,
outer sep=\tikzfeynhand@momentum@label@distance,
\tikzfeynhand@momentum@arrow@style] {#2}
foreach \i [count=\j from 27] in {26, ..., 49} {
-- ($(tf@m@\i)!\tikzfeynhand@momentum@arrow@distance!-90:(tf@m@\j)$)
}
-- ($(tf@m@50)!\tikzfeynhand@momentum@arrow@distance!90:(tf@m@49)$);
},
closepath code={
\tikzfeynhandset{momentum/.cd,#1}
\path (\tikzinputsegmentfirst) -- (\tikzinputsegmentlast)
coordinate [pos=\tikzfeynhand@momentum@arrow@shorten] (tf@m@1)
coordinate [pos=1 - \tikzfeynhand@momentum@arrow@shorten] (tf@m@2);
\draw [-{Stealth[length=\tikzfeynhand@momentum@arrow@size]},
line width=\tikzfeynhand@momentum@arrow@thickness,
\tikzfeynhand@momentum@arrow@style]
($(tf@m@1)!\tikzfeynhand@momentum@arrow@distance!-90:(tf@m@2)$)
-- ($(tf@m@2)!\tikzfeynhand@momentum@arrow@distance!90:(tf@m@1)$)
node [pos=0.5, auto, swap,
outer sep=\tikzfeynhand@momentum@label@distance,
\tikzfeynhand@momentum@label@style] {#2};
},
},
/tikz/decorate=true,
},
},
reversed momentum@@/.style args={[#1]#2}{
/tikz/preaction={
/tikz/decoration={
show path construction,
moveto code={},
lineto code={
\tikzfeynhandset{momentum/.cd,#1}
\path (\tikzinputsegmentlast) -- (\tikzinputsegmentfirst)
coordinate [pos=\tikzfeynhand@momentum@arrow@shorten] (tf@m@1)
coordinate [pos=1 - \tikzfeynhand@momentum@arrow@shorten] (tf@m@2);
\draw [-{Stealth[length=\tikzfeynhand@momentum@arrow@size]},
line width=\tikzfeynhand@momentum@arrow@thickness,
\tikzfeynhand@momentum@arrow@style]
($(tf@m@1)!\tikzfeynhand@momentum@arrow@distance!-90:(tf@m@2)$)
-- ($(tf@m@2)!\tikzfeynhand@momentum@arrow@distance!90:(tf@m@1)$)
node [pos=0.5, auto, swap,
outer sep=\tikzfeynhand@momentum@label@distance,
\tikzfeynhand@momentum@label@style] {#2};
},
curveto code={
\tikzfeynhandset{momentum/.cd,#1}
\path (\tikzinputsegmentlast)
.. controls (\tikzinputsegmentsupportb) and (\tikzinputsegmentsupporta)
.. (\tikzinputsegmentfirst)
{ \foreach \i in {1, ..., 50} {
coordinate [pos=\tikzfeynhand@momentum@arrow@shorten + (1-2 * \tikzfeynhand@momentum@arrow@shorten)*\i/50] (tf@m@\i) } };
\draw [-{Stealth[length=\tikzfeynhand@momentum@arrow@size]},
line width=\tikzfeynhand@momentum@arrow@thickness,
\tikzfeynhand@momentum@arrow@style]
($(tf@m@1)!\tikzfeynhand@momentum@arrow@distance!-90:(tf@m@2)$)
foreach \i [count=\j from 3] in {2, ..., 24} {
-- ($(tf@m@\i)!\tikzfeynhand@momentum@arrow@distance!-90:(tf@m@\j)$)
}
-- ($(tf@m@25)!\tikzfeynhand@momentum@arrow@distance!-90:(tf@m@26)$)
node [pos=0.5, auto, swap,
outer sep=\tikzfeynhand@momentum@label@distance,
\tikzfeynhand@momentum@arrow@style] {#2}
foreach \i [count=\j from 27] in {26, ..., 49} {
-- ($(tf@m@\i)!\tikzfeynhand@momentum@arrow@distance!-90:(tf@m@\j)$)
}
-- ($(tf@m@50)!\tikzfeynhand@momentum@arrow@distance!90:(tf@m@49)$);
},
closepath code={
\tikzfeynhandset{momentum/.cd,#1}
\path (\tikzinputsegmentlast) -- (\tikzinputsegmentfirst)
coordinate [pos=\tikzfeynhand@momentum@arrow@shorten] (tf@m@1)
coordinate [pos=1 - \tikzfeynhand@momentum@arrow@shorten] (tf@m@2);
\draw [-{Stealth[length=\tikzfeynhand@momentum@arrow@size]},
line width=\tikzfeynhand@momentum@arrow@thickness,
\tikzfeynhand@momentum@arrow@style]
($(tf@m@1)!\tikzfeynhand@momentum@arrow@distance!-90:(tf@m@2)$)
-- ($(tf@m@2)!\tikzfeynhand@momentum@arrow@distance!90:(tf@m@1)$)
node [pos=0.5, auto, swap,
outer sep=\tikzfeynhand@momentum@label@distance,
\tikzfeynhand@momentum@label@style] {#2};
},
},
/tikz/decorate=true,
},
},
reversed momentum'@@/.style args={[#1]#2}{
/tikz/preaction={
/tikz/decoration={
show path construction,
moveto code={},
lineto code={
\tikzfeynhandset{momentum/.cd,#1}
\path (\tikzinputsegmentlast) -- (\tikzinputsegmentfirst)
coordinate [pos=\tikzfeynhand@momentum@arrow@shorten] (tf@m@1)
coordinate [pos=1 - \tikzfeynhand@momentum@arrow@shorten] (tf@m@2);
\draw [-{Stealth[length=\tikzfeynhand@momentum@arrow@size]},
line width=\tikzfeynhand@momentum@arrow@thickness,
\tikzfeynhand@momentum@arrow@style]
($(tf@m@1)!\tikzfeynhand@momentum@arrow@distance!90:(tf@m@2)$)
-- ($(tf@m@2)!\tikzfeynhand@momentum@arrow@distance!-90:(tf@m@1)$)
node [pos=0.5,
auto,
outer sep=\tikzfeynhand@momentum@label@distance,
\tikzfeynhand@momentum@label@style] {#2};
},
curveto code={
\tikzfeynhandset{momentum/.cd,#1}
\path (\tikzinputsegmentlast)
.. controls (\tikzinputsegmentsupportb) and (\tikzinputsegmentsupporta)
.. (\tikzinputsegmentfirst)
{ \foreach \i in {1, ..., 50} {
coordinate [pos=\tikzfeynhand@momentum@arrow@shorten + (1-2 * \tikzfeynhand@momentum@arrow@shorten)*\i/50] (tf@m@\i) } };
\draw [-{Stealth[length=\tikzfeynhand@momentum@arrow@size]},
line width=\tikzfeynhand@momentum@arrow@thickness,
\tikzfeynhand@momentum@arrow@style]
($(tf@m@1)!\tikzfeynhand@momentum@arrow@distance!90:(tf@m@2)$)
foreach \i [count=\j from 3] in {2, ..., 24} {
-- ($(tf@m@\i)!\tikzfeynhand@momentum@arrow@distance!90:(tf@m@\j)$)
}
-- ($(tf@m@25)!\tikzfeynhand@momentum@arrow@distance!90:(tf@m@26)$)
node [pos=0.5,
auto,
outer sep=\tikzfeynhand@momentum@label@distance,
\tikzfeynhand@momentum@arrow@style] {#2}
foreach \i [count=\j from 27] in {26, ..., 49} {
-- ($(tf@m@\i)!\tikzfeynhand@momentum@arrow@distance!90:(tf@m@\j)$)
}
-- ($(tf@m@50)!\tikzfeynhand@momentum@arrow@distance!-90:(tf@m@49)$);
},
closepath code={
\tikzfeynhandset{momentum/.cd,#1}
\path (\tikzinputsegmentlast) -- (\tikzinputsegmentfirst)
coordinate [pos=\tikzfeynhand@momentum@arrow@shorten] (tf@m@1)
coordinate [pos=1 - \tikzfeynhand@momentum@arrow@shorten] (tf@m@2);
\draw [-{Stealth[length=\tikzfeynhand@momentum@arrow@size]},
line width=\tikzfeynhand@momentum@arrow@thickness,
\tikzfeynhand@momentum@arrow@style]
($(tf@m@1)!\tikzfeynhand@momentum@arrow@distance!90:(tf@m@2)$)
-- ($(tf@m@2)!\tikzfeynhand@momentum@arrow@distance!-90:(tf@m@1)$)
node [pos=0.5, auto,
outer sep=\tikzfeynhand@momentum@label@distance,
\tikzfeynhand@momentum@label@style] {#2};
},
},
/tikz/decorate=true,
},
},
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Modifiers
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
half left/.style={
/tikz/bend left=90,
},
half right/.style={
/tikz/bend right=90,
},
quarter left/.style={
/tikz/bend left=45,
},
quarter right/.style={
/tikz/bend right=45,
},
}

\endinput