1. 2/27/2012Katsushi Arisaka, UCLA 1 Katsushi Arisaka University of California, Los Angeles Department of Physics and Astronomy arisaka@physics.ucla.edu Why are we here? Origin of Universe and Ourselves

2. 2/27/2012 Katsushi Arisaka, UCLA 2 Why are we here?

3. v 2/27/2012Katsushi Arisaka, UCLA 3 Solar System Sun Earth

4. 2/27/2012Katsushi Arisaka, UCLA 4 Andromeda ~100 Billions Stars in a Galaxy

5. 2/27/2012Katsushi Arisaka, UCLA 5 ~100 Billion Galaxies Hubble Deep Field

6. 2/27/2012Katsushi Arisaka, UCLA 6 13 billion light years away (90% of speed of light)

7. 2/27/2012 Katsushi Arisaka, UCLA 7 Hubble’s Law: Expansion of the Universe Sun/Earth Horizon of Universe Moving Away at Speed of Light 14 Billon Light Years Big Bang!

8. 2/27/2012 Katsushi Arisaka, UCLA 8 Hubble Deep Field Physicists’ View of Early Universe Fiat lux Let there be light

9. 2/27/2012Katsushi Arisaka, UCLA 9 CERN and LHC in Geneva 27 km Circumference

10. 2/27/2012Katsushi Arisaka, UCLA 10 LHC Tunnel with Magnets

11. 2/27/2012 Katsushi Arisaka, UCLA 11 CMS Collaboration (1993 ~)

12. 2/27/2012 Katsushi Arisaka, UCLA 12 CMS

13. 2/27/2012Katsushi Arisaka, UCLA 13 CMS Barrel Yoke

14. 2/27/2012 Katsushi Arisaka, UCLA 14 Installing muon Detectors

15. 2/27/2012Katsushi Arisaka, UCLA 15

16. 2/27/2012Katsushi Arisaka, UCLA 16

17. Katsushi Arisaka, UCLA Sept 15, 2008 Issue Particle detectors constructed at Westwood, now at LHC, CERN 2/27/2012 17

18. First Event at LHC – Recreation of the Big Bang! (Nov 7, 2009) 2/27/2012Katsushi Arisaka, UCLA 18

19. 2/27/2012 Katsushi Arisaka, UCLA 19

20. 2/27/2012 Katsushi Arisaka, UCLA 20 Why are we here?

21. 2/27/2012 Katsushi Arisaka, UCLA 21 Are there more than one Universe?

22. 2/27/2012 Katsushi Arisaka, UCLA 22 Linde’s Multiverse by Chaotic Inflation

23. 2/27/2012 Katsushi Arisaka, UCLA 23 There may be ~100 Billion Universes.