Does dark matter interact with Baryons?

Click For Summary
SUMMARY

The discussion centers on the interaction between dark matter (DM) and baryons, referencing the paper available at https://arxiv.org/abs/1811.08843. It asserts that while the standard view holds that DM primarily interacts through gravity, some models, particularly Weakly Interacting Massive Particles (WIMPs), suggest weak interactions with standard model particles. The consensus is that while no direct interactions have been detected, researchers can establish bounds on the strength of potential interactions, emphasizing the uncertainty in current understanding.

PREREQUISITES
  • Understanding of dark matter models, particularly WIMPs.
  • Familiarity with baryonic matter and its properties.
  • Knowledge of weak interactions in particle physics.
  • Basic grasp of gravitational interactions in astrophysics.
NEXT STEPS
  • Research the implications of weak interactions in dark matter models.
  • Explore experimental methods for detecting dark matter interactions.
  • Study the current bounds on dark matter-baryon interactions.
  • Investigate alternative dark matter candidates beyond WIMPs.
USEFUL FOR

Astrophysicists, particle physicists, and researchers interested in the fundamental interactions of dark matter and its implications for the universe's structure.

wolram
Gold Member
Dearly Missed
Messages
4,410
Reaction score
551
This paper says they do. but I have been lead to believe that DM only interacts with gravity
https://arxiv.org/abs/1811.08843
What is the standard view?
 
Astronomy news on Phys.org
In most DM models there are some weak interactions with standard model particles. For your typical WIMP scenario those interactions are of more or less the same strength as the weak interactions but this generally depends on the dark matter model. You can never prove a negative so you can never exclude dark matter having some interactions with baryons. What you can do is place bounda on the strength of those interactions.
 
No interactions have been detected.
 
Nobody knows.
 
Excellent paper, wolram. Thanks.
 

Similar threads

  • · Replies 2 ·
Replies
2
Views
2K
  • · Replies 10 ·
Replies
10
Views
1K
  • · Replies 4 ·
Replies
4
Views
2K
  • · Replies 12 ·
Replies
12
Views
2K
Replies
1
Views
2K
  • · Replies 10 ·
Replies
10
Views
2K
  • · Replies 10 ·
Replies
10
Views
3K
  • · Replies 2 ·
Replies
2
Views
3K
  • · Replies 7 ·
Replies
7
Views
2K
  • · Replies 24 ·
Replies
24
Views
5K