How can I access event data for LHCb calorimeters?

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Discussion Overview

The discussion revolves around accessing calorimeter event data from the LHCb experiment for a machine learning project. Participants explore the challenges of navigating the source code and the support (or lack thereof) from supervisors in this context.

Discussion Character

  • Exploratory, Debate/contested, Conceptual clarification

Main Points Raised

  • One participant inquires about accessing LHCb calorimeter event data and expresses concern about navigating the source code independently.
  • Another suggests joining the LHCb collaboration and mentions that public access to calorimeter data has not yet been established.
  • A participant clarifies that they have access through their supervisor but lacks guidance on understanding the code, questioning the feasibility of proceeding without help.
  • Some participants recommend considering a different project or supervisor if adequate support is not available, highlighting the importance of guidance in navigating complex software.
  • Concerns are raised about the culture in high-energy physics (HEP) regarding data access and the expectations placed on new researchers.

Areas of Agreement / Disagreement

Participants express a general concern about the lack of support from supervisors and the challenges of accessing and understanding the necessary data. However, there is no consensus on whether the participant should change projects or supervisors.

Contextual Notes

Limitations include the unclear documentation of the LHCb software and the varying levels of support from supervisors, which may affect the participant's ability to successfully navigate the project.

It's me
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I want to do a project using machine learning on the calorimeter event data of the LHCb. How can I access this data? Is it very difficult to navigate your way through the source code on your own?
 
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Join the LHCb collaboration and ask your supervisor.

If LHCb decides to make calorimeter data public, they will provide tools and guides how to work with it, but as far as I know that didn’t happen so far.

Why did you choose calorimeters, and why LHCb?
 
I forgot to mention that I was working with my supervisor and he can give me access, but he made it clear that he won't help me understand the code. He was the one who chose calorimeters and LHCb. I just need to know if once I have access there is any way I can make sense of it if I have no help. If not, I'll choose a different master's thesis.
 
If your supervisor won't help you with the task, choose a different task (or, better, choose a different supervisor). You can't expect a supervisor to go through the software with you line by line, but some advice which tool to use and where it is documented should be given.

LHCb has software to study calorimeter signals. I don't know what exactly the idea is and the tools you need will depend on that.
 
Actually he said he can't even tell me where it is documented because he's never worked on what he wants me to do, he just wants me to figure it all out on my own. So do you think I should choose a different project with a different supervisor?
 
It's me said:
he just wants me to figure it all out on my own.
Why would he be your supervisor if he doesn't do any supervision?

I don't know you, I don't know your supervisor, how difficult it would be to change that, or all the other things to consider here, so it is difficult to give advice, but I would at least consider that option.
 
mfb said:
Why would he be your supervisor if he doesn't do any supervision?

This.

Additionally, there is the HEP culture. Most experiments do not respond favorably to requests like "Now that you've built the detector, debugged the detector, took the data, calibrated it, filtered and processed it, now I'd like a copy of it to analyze myself."
 

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