Graduate GBAR Experiment (CERN) - Genève

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    Cern Experiment
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SUMMARY

The GBAR experiment at CERN aims to investigate the gravitational behavior of antimatter, specifically antihydrogen, and its potential deviation from the predictions of General Relativity (GR). Current understanding suggests that antimatter should fall in a gravitational field similarly to matter, with any significant deviation potentially indicating the existence of a fifth force. If antimatter were to exhibit repulsion in a gravitational field, it would necessitate a fundamental revision of GR and could challenge the principle of causality. However, existing experimental evidence supports the equivalence principle, indicating that any differences in gravitational behavior between matter and antimatter are likely to be minimal.

PREREQUISITES
  • Understanding of General Relativity (GR) principles
  • Familiarity with the equivalence principle and its implications
  • Knowledge of antimatter properties and behavior
  • Basic concepts of gravitational interactions and forces
NEXT STEPS
  • Research the implications of the equivalence principle on gravitational interactions
  • Explore the concept of fifth forces in theoretical physics
  • Study the results and methodologies of the GBAR experiment
  • Investigate the relationship between antimatter and black hole physics
USEFUL FOR

Physicists, researchers in theoretical physics, and students interested in gravitational studies and antimatter research will benefit from this discussion.

  • #31
hmmm27 said:
Is there a PF link explaining the "basic, medium, advanced" parameter of a post ? I originally thought it referred to the question, not the questor (which makes much more sense, if you think about it, of course).
https://www.physicsforums.com/threads/new-thread-level-prefixes-b-i-a.824360/
https://www.physicsforums.com/threads/filters-in-forums-b-i-a.824739/
https://www.physicsforums.com/threads/whats-the-deal-with-the-forced-prefix.827372/
 
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Likes Vanadium 50 and hmmm27
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  • #32
Thank you to you @PeterDonis, for your precise and consistent answer !

@Vanadium 50 : Next time, express yourself more clearly and less evasively .
I have nothing more to tell you.

Have a good day,
Marilyn
 

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