Is BEC still considered a viable dark matter candidate.

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SUMMARY

Bose-Einstein condensation (BEC) has been proposed as a potential candidate for dark matter, specifically through ultra-light scalar particles. However, this model has not gained significant traction compared to Weakly Interacting Massive Particles (WIMPs), which remain the leading hypothesis. The Xenon100 experiment is nearing the sensitivity required to detect or rule out WIMPs, with implications for the future of dark matter theories. If WIMPs are not detected, alternative models, including BEC, will likely receive increased attention.

PREREQUISITES
  • Understanding of dark matter theories, particularly WIMPs and BEC.
  • Familiarity with particle physics and weak interactions.
  • Knowledge of experimental methods in astrophysics, specifically detection techniques.
  • Awareness of current dark matter experiments, including Xenon100 and Xenon1t.
NEXT STEPS
  • Research the latest findings from the Xenon100 experiment and its implications for dark matter detection.
  • Explore the theoretical framework of Bose-Einstein condensation in the context of particle physics.
  • Investigate the design and objectives of the Xenon1t experiment as a follow-up to Xenon100.
  • Study alternative dark matter models that may gain traction if WIMPs are ruled out.
USEFUL FOR

Astronomers, physicists, and researchers interested in dark matter theories, particularly those focusing on particle detection and alternative models to WIMPs.

petergreat
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There were proposals that dark matter might be ultra-light scalar particles in Bose-Einstein condensation phase, but the idea doesn't seem to have caught on. What are the advantages / disadvantages of this model?
 
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The currently most popular dark matter models assume its some type of WIMP, i.e. a particle that interacts on the same scale as weak interactions. If this is so, we are getting very close to detecting it.

Especially the Xenon100 experiment should soon have enough sensitivity to either detect or rule out WIMPS. If they fail to see it, you can be sure the whole idea of dark matter will be rehashed, and other theories like the one you mention will attract more interest.
 
Bill_K said:
Especially the Xenon100 experiment should soon have enough sensitivity to either detect or rule out WIMPS. If they fail to see it, you can be sure the whole idea of dark matter will be rehashed, and other theories like the one you mention will attract more interest.

What do you mean by "soon"? Couple of months?
Also, I hear Xenon 1t is planned as a more powerful probe, so Xenon100 shouldn't be the end of the story for WIMPs?
 

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