Luminosity in LHC: Engineer's Guide to Understanding

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SUMMARY

Luminosity in the Large Hadron Collider (LHC) is a critical metric that indicates the collision rate of particles. Higher luminosity leads to more collisions, which increases the likelihood of detecting rare particle interactions. Engineers and physicists value increased luminosity because it enhances data collection efficiency, allowing for better statistical analysis of experimental results. Low luminosity results in fewer collisions, prolonging the time required to discover new phenomena.

PREREQUISITES
  • Understanding of particle physics concepts
  • Familiarity with the Large Hadron Collider (LHC) operations
  • Knowledge of collision rates and their significance in experiments
  • Basic grasp of statistical analysis in experimental physics
NEXT STEPS
  • Research the concept of luminosity in particle physics
  • Explore the operational principles of the Large Hadron Collider (LHC)
  • Study the statistical methods used in high-energy physics experiments
  • Learn about exotic particle interactions and their significance in physics
USEFUL FOR

This discussion is beneficial for engineers, physicists, and students interested in high-energy particle physics, particularly those seeking to understand the importance of luminosity in experimental setups at the LHC.

kususe
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I'm an engineer.
What's luminosity? I don't understand the explanation of Wikipedia.
Why are physics glad if the luminosity grows up in LHC, respect of last year?
 
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for the second question I think the answer is http://slsbd.web.psi.ch/pub/cas/cas/node38.html"
 
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kususe said:
I'm an engineer.
What's luminosity? I don't understand the explanation of Wikipedia.

Read this, especially on pages 31-34

http://www.phys.spbu.ru/content/File/Library/studentlectures/schlippe/pp05-07.pdf

Why are physics glad if the luminosity grows up in LHC, respect of last year?

If the luminosity is too low, you are getting very few collisions and thus, very few data. Considering that the probability of finding one of these exotic interaction is very low, and you also need to have very good statistics, you want to have as high of a collision rate as you can to increase your chances. Too low of a luminosity, and it will take months, if not years, to find something, if it is really there.

Zz.
 
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Thank you.
Question solved.
 
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