{
"cells": [
{
"cell_type": "markdown",
"id": "2bd26556",
"metadata": {},
"source": [
"# latex3\n",
"\n",
"\n",
"\n",
"\n",
"**Author:** Rene Brun \n",
"This notebook tutorial was automatically generated with ROOTBOOK-izer from the macro found in the ROOT repository on Tuesday, May 19, 2026 at 08:37 PM."
]
},
{
"cell_type": "code",
"execution_count": 1,
"id": "59db603e",
"metadata": {
"collapsed": false,
"execution": {
"iopub.execute_input": "2026-05-19T20:37:12.838428Z",
"iopub.status.busy": "2026-05-19T20:37:12.838301Z",
"iopub.status.idle": "2026-05-19T20:37:13.213259Z",
"shell.execute_reply": "2026-05-19T20:37:13.204426Z"
}
},
"outputs": [],
"source": [
"TCanvas *c1 = new TCanvas(\"c1\");\n",
"TPaveText *pt = new TPaveText(.05, .1, .95, .8);\n",
"\n",
"pt->AddText(\"#frac{2s}{#pi#alpha^{2}} #frac{d#sigma}{dcos#theta} \"\n",
" \"(e^{+}e^{-} #rightarrow f#bar{f} ) = #left| #frac{1}{1 - #Delta#alpha} \"\n",
" \"#right|^{2} (1+cos^{2}#theta)\");\n",
"\n",
"pt->AddText(\"+ 4 Re #left{ #frac{2}{1 - #Delta#alpha} #chi(s) \"\n",
" \"#[]{#hat{g}_{#nu}^{e}#hat{g}_{#nu}^{f} \"\n",
" \"(1 + cos^{2}#theta) + 2 #hat{g}_{a}^{e}#hat{g}_{a}^{f} cos#theta) } #right}\");\n",
"\n",
"pt->AddText(\"+ 16#left|#chi(s)#right|^{2} \"\n",
" \"#left[(#hat{g}_{a}^{e}^{2} + #hat{g}_{v}^{e}^{2})\"\n",
" \"(#hat{g}_{a}^{f}^{2} + #hat{g}_{v}^{f}^{2})(1+cos^{2}#theta)\"\n",
" \"+ 8 #hat{g}_{a}^{e} #hat{g}_{a}^{f} #hat{g}_{v}^{e}\"\n",
" \"#hat{g}_{v}^{f}cos#theta#right] \");\n",
"\n",
"pt->SetLabel(\"Born equation\");\n",
"pt->Draw();"
]
},
{
"cell_type": "markdown",
"id": "136ba40f",
"metadata": {},
"source": [
"Draw all canvases "
]
},
{
"cell_type": "code",
"execution_count": 2,
"id": "85b0c00c",
"metadata": {
"collapsed": false,
"execution": {
"iopub.execute_input": "2026-05-19T20:37:13.216189Z",
"iopub.status.busy": "2026-05-19T20:37:13.216065Z",
"iopub.status.idle": "2026-05-19T20:37:13.425628Z",
"shell.execute_reply": "2026-05-19T20:37:13.424994Z"
}
},
"outputs": [
{
"data": {
"text/html": [
"\n",
"\n",
"\n",
"
\n",
"\n",
"\n",
"\n"
],
"text/plain": [
""
]
},
"metadata": {},
"output_type": "display_data"
}
],
"source": [
"gROOT->GetListOfCanvases()->Draw()"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "ROOT C++",
"language": "c++",
"name": "root"
},
"language_info": {
"codemirror_mode": "text/x-c++src",
"file_extension": ".C",
"mimetype": " text/x-c++src",
"name": "c++"
}
},
"nbformat": 4,
"nbformat_minor": 5
}