Root Programming: Draw Charge, Mass, Energy Distribution & More

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Discussion Overview

The discussion revolves around the use of ROOT programming to analyze SMM (Statistical Multifragmentation Model) data in the context of nuclear physics. Participants seek guidance on how to visualize various distributions related to reaction products, including charge, mass, energy, and fragment positions.

Discussion Character

  • Technical explanation
  • Homework-related
  • Exploratory

Main Points Raised

  • One participant inquires about drawing charge, mass, and energy distributions of reaction products using ROOT programming.
  • Another participant asks how to visualize the multiplicity of intermediate mass fragments as a function of impact parameter and excitation energy.
  • A request is made to plot the position distribution of different fragments as a function of atomic number (Z) to assess detector geometrical acceptance.
  • There is interest in plotting Zmax as a function of Zbound, with similar plots for varying impact parameters.
  • Some participants express the need for more context regarding the SMM data and whether the questions stem from an assignment, suggesting that the queries may require specialized knowledge of the specific experiment.
  • One participant mentions their own attempts to draw relationships between atomic number (Z) and atomic mass number (A), as well as between Z and energy (E), and seeks advice on extracting multiplicity and position data from their dataset.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the specifics of the SMM data or the context of the inquiries, with some questioning whether the questions are related to an assignment. There is a general agreement that more information is needed to provide effective assistance.

Contextual Notes

Participants note limitations in the information provided, emphasizing the need for a clearer understanding of the SMM data and the experimental context to address the questions effectively.

lamyaa
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Hi all,

I want ask you about root programming, if I have the SMM data

How I can do the following:

1- Draw the charge, mass and energy distribution of the reaction products

2- Draw the multiplicity of intermediate mass fragments as function of impact parameter and excitation energy

3- Draw the position distribution of the different fragments (as function of Z) to determine the geometrical acceptance of the detectors

4- Draw the Zmax as function of Zbound (do the same for each one as function of the impact parameter.

thanks a lot,
 
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lamyaa said:
Hi all,

I want ask you about root programming, if I have the SMM data

How I can do the following:

1- Draw the charge, mass and energy distribution of the reaction products

2- Draw the multiplicity of intermediate mass fragments as function of impact parameter and excitation energy

3- Draw the position distribution of the different fragments (as function of Z) to determine the geometrical acceptance of the detectors

4- Draw the Zmax as function of Zbound (do the same for each one as function of the impact parameter.

thanks a lot,

If you want any help, you need to show what you have done first. Is this schoolwork?
 
More info than you provided is needed for anyone to help you. These aren't generic ROOT questions. You are asking questions that would need extensive knowledge of the experiment this data is from. What is the SMM data? The Solar Maximum Mission? That's from the 1980s...

Also as was already asked, are these questions from an assignment? The wording sure seems like an assignment...

If it's not an assignment, do you know anyone else that works on this experiment? They would be the only ones that could help you.
 
I want to learning root programming and my Doctors give me some examples in nuclear physics and I will do that.

I have A (atomic mass number ) , Z ( atomic number) , E (Energy), impact, momentum and Theta data see attachment

My attempts is:

1- Draw between Z and A

2- Draw between Z and E

see attachment

How I can extract the multiplicity of intermediate mass fragments and the position of the different fragments from this data ?

thanks a lot
 

Attachments

  • data.jpg
    data.jpg
    17.4 KB · Views: 537
  • A&Z.jpg
    A&Z.jpg
    11.5 KB · Views: 507
  • E & Z.jpg
    E & Z.jpg
    25 KB · Views: 534

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