Differential cross sections in Pythia

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Discussion Overview

The discussion revolves around how to plot differential cross sections, specifically d_sigma/d_omega and d_sigma/d_theta, using the Pythia event generator for proton-proton collisions. Participants are exploring the methods and variables necessary to achieve this task.

Discussion Character

  • Technical explanation
  • Homework-related
  • Debate/contested

Main Points Raised

  • One participant requests guidance on plotting d_sigma/d_omega and d_sigma/d_theta using Pythia, seeking any example code.
  • Several participants express that the initial question is too broad, comparing it to asking for help with a complex task without specific details.
  • Another participant reiterates the need for specific variables or methods in Pythia that yield the values for d_sigma/d_omega and d_sigma/d_theta.
  • A later reply asserts that Pythia does not provide the requested values directly and questions whether the original poster has consulted the manual.

Areas of Agreement / Disagreement

Participants generally agree that the original question is too broad and that it is unlikely someone will provide a complete solution. However, there is disagreement regarding the availability of specific methods or variables in Pythia for calculating the desired differential cross sections.

Contextual Notes

The discussion highlights limitations in the original question's scope and the need for more specific inquiries to receive targeted assistance. There is also an implied assumption that users should be familiar with the Pythia manual.

Aleks Belov
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Dear Users,

I would like to ask you how can I plot d_sigma/d_omega and d_sigma/d_theta for any collision (for instance, proton and proton) using pythia event generator. I would be greatful if you could tell me how make it.

Any ideas would be appreciated.

Kind regards.
 
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What you ask is very, very, very broad. Like "Can you show me how to do my taxes in Excel?"
 
I only ask you to show me absolutely any example with the code how to output the distribution of d_sigma/d_omega and d_sigma / d_theta from the event number or all at once. What variable or method gives the value of d_sigma/d_omega and d_sigma / d_theta for particles that are formed as a result of the reaction?
 
Your question is still very, very broad. It is very unlikely that someone will have code that does exactly what you want (especially given how broad the question is) and unlikelier still that someone will write it for you.
 
Vanadium 50 said:
Your question is still very, very broad. It is very unlikely that someone will have code that does exactly what you want (especially given how broad the question is) and unlikelier still that someone will write it for you.
I understand it. Do you know what variable or method gives the value of d_sigma/d_omega and d_sigma / d_theta for particles that are formed as a result of the reaction?
 
Well, you're getting better. And the answer is "none". That's not what Pythia does. Have you read the manual?
 

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