Observational Basis for Dark Matter

Background Information on Dark Matter

Questions for Internet Research

Questions	Sources with Possible Answers
1. How can we be sure dark matter exists?	Gas Observations Reliable Galaxy Rotation Curves Starting point not reliable Gravitational Lensing Good pictures, but not reliable Open/Expanding Universe Reliable Missing Mass Historical Reference(1993) Outdated Dark Matter background Reliable Gravitational Lensing Measurements Good pictures Reliable Universe structure simulations with Dark Matter appear to work Good Simulation pictures Reliable
2. What are the possible candidates for the particles that actually make up dark matter?	MACHOs, WIMPs Historical Reference(1995) Outdated Ordinary Matter Starting point not reliable Super-symmetric Particles General information Neutralinos starting point not reliable Axions Very abstract string theory explanation Reliable
3. What are the properties of WIMPs, and how can they be detected?	The Neutralino WIMP Detection Direct Detection Solar WIMP Detection Antarctic Neutrino Detection Direct Detection Techniques
4. What ongoing research is being done to detect and experiment with dark matter?	Axion research liquid Xenon research Science Papers Indirect Neutrino Detection MiniCLEAN Experiment
5. Where do we think all the super-symmetric particles are?	Super-symmetric Particles Different SS Particles Explanation of SS Particles Actual Evidence

Presentation Outline

Me: Neutralinos, WIMPs, super-symmetry, Detection (experiments)

Hoon: Large-scale structure, re-ionization, cosmic microwave background