How to run Madgraph to calculate Feynmann Diagram

  • Context: Graduate 
  • Thread starter Thread starter zhangyang
  • Start date Start date
  • Tags Tags
    Diagram
Click For Summary
SUMMARY

This discussion centers on troubleshooting the MadGraph software for calculating Feynman diagrams and cross sections in particle physics. The user encounters issues when attempting to run MadGraph via Python, specifically with the command "./bin/mg5_aMC", which results in an error. Additionally, the user experiences difficulties using the web edition of MadGraph to simulate the process "e+ e->a a" and obtain accurate results. The conversation highlights the importance of proper command execution and understanding the software interface.

PREREQUISITES
  • Familiarity with MadGraph software version 2.7.2 or later
  • Basic understanding of Python programming
  • Knowledge of particle physics concepts, specifically Feynman diagrams
  • Experience with command-line interfaces for executing scripts
NEXT STEPS
  • Review the MadGraph documentation for installation and command usage
  • Learn how to troubleshoot Python errors in command-line applications
  • Explore the MadGraph web interface features and limitations
  • Study the process of generating and interpreting Feynman diagrams in particle physics
USEFUL FOR

Particle physicists, computational physicists, and researchers using MadGraph for simulating scattering processes and analyzing Feynman diagrams.

zhangyang
Messages
58
Reaction score
0
Hello,
Now I am studying some software to analyze the scattering process,but when I download the Madgraph and Python,I can't enter the interface,now I tell you my operation,could you tell me where I am wrong?
First,open Python,File open (madgraph tutorial text).But how could I operate next?
When I input "./bin/mg5_aMC" in the Python interface and Enter,result in an error.How to correct?
Thank you very much.
 
Now,I try to use the web edition on http://madgraph.hep.uiuc.edu/
Input "e+ e->a a" which express positive and minus electrons convert into two photons,"submit",but why cann't I get a correct result on Feynman diagram and cross section?
 

Similar threads

Docker and Containers: Understanding the Basics and Common Doubts Explained
  • · Replies 6 ·
Replies
6
Views
3K
How do I connect a button pressed signal with code in Godot 4?
  • · Replies 1 ·
Replies
1
Views
6K
Graduate Why are disconnected diagrams dropped from S-Matrix
  • · Replies 1 ·
Replies
1
Views
3K
Difference between interpreted and compiled files....
  • · Replies 29 ·
Replies
29
Views
4K
Optimizing MadGraph for Exotic Physics Events
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Calculating 2nd Order Scattering Amplitude: Feynman Diagrams
  • · Replies 6 ·
Replies
6
Views
4K
How can I get the RUN button in Visual Studio Code to turn GREEN again?
  • · Replies 15 ·
Replies
15
Views
11K
How can you modify Python code for effective graph plotting?
  • · Replies 7 ·
Replies
7
Views
3K
Could the reason why I can't select any kernels in VS Code be this error?
  • · Replies 7 ·
Replies
7
Views
3K
MCNP4C suppressing terminal/console window popping up?
  • · Replies 3 ·
Replies
3
Views
2K