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David Toback Texas A&M University Research Topics Seminar September 2013

Cosmology, Particle Physics and Dark Matter. David Toback Texas A&M University Research Topics Seminar September 2013. Outline. Cosmology and Particle Physics Dark Matter Evolution of the Universe Discovery Can we discover Dark Matter as a way of learning about our Universe?.

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David Toback Texas A&M University Research Topics Seminar September 2013

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  1. Cosmology, Particle Physics and Dark Matter David Toback Texas A&M University Research Topics Seminar September 2013 David Toback, Texas A&M University Research Topics Seminar

  2. Outline • Cosmology and Particle Physics • Dark Matter • Evolution of the Universe • Discovery Can we discover Dark Matter as a way of learning about our Universe? David Toback, Texas A&M University Research Topics Seminar

  3. Dark Matter What is some of the evidence for Dark matter? David Toback, Texas A&M University Research Topics Seminar

  4. As the Solar System Turns http://faculty.physics.tamu.edu/toback/Talks/Video/Lab4_SS1_video.swf Gravity and General Relativity David Toback, Texas A&M University Research Topics Seminar

  5. Is that what our galaxy, the Milky Way, looks like? 0 Do the stars orbit like the planets in our solar system? Outer stars go around much more slowly? David Toback, Texas A&M University Research Topics Seminar

  6. As the Galaxy Turns http://faculty.physics.tamu.edu/toback/Talks/Video/Lab4_GX1_video_slow.swf David Toback, Texas A&M University Research Topics Seminar

  7. Lots of Dark Matter out there! No clue what this stuff is… What’s the Matter in the Universe? David Toback, Texas A&M University Research Topics Seminar

  8. The Known Particles • No known particles have the properties of Dark Matter • Other credible reasons to believe there are new fundamental particles to be discovered • Maybe Dark Matter is a New Particle! David Toback, Texas A&M University Research Topics Seminar

  9. Dark Matter = New Particle? Make a Hypothesis based on Astronomy, Cosmology and Particle Physics Hypothesis:TheDark Matter in the Universe is made up of LOTS of particles that we haven’t discovered yet! Best Guess: Got created in the Early Universe like everything else and is still here today! Big Bang! Then Universe gets bigger High energy collisions between particles in the early Universe If they created Dark Matter, maybe we can watch it interact in an experiment with SM matter now! David Toback, Texas A&M University Research Topics Seminar

  10. Particle Physics Experiments • Does LHC have enough energy to make new dark matter particles? • Do dark matter particles interact with real matter so we can see them in experiments on earth? • Do they annihilate and produce high energy particles we can see in other experiments? CDMS Experiment Best bet for discovery! David Toback, Texas A&M University Research Topics Seminar

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