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

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

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

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

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

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

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!

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

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

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

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

2/27/2012 Katsushi Arisaka, UCLA 12 CMS

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

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

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

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

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

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

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

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