2/27/2012katsushi arisaka, ucla 1 katsushi arisaka university of california, los angeles department...

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

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2/27/2012 Katsushi Arisaka, UCLA 1

Katsushi Arisaka

University of California, Los Angeles

Department of Physics and Astronomy

[email protected]

Why are we here?Origin of Universe and

Ourselves

Page 2: 2/27/2012Katsushi Arisaka, UCLA 1 Katsushi Arisaka University of California, Los Angeles Department of Physics and Astronomy arisaka@physics.ucla.edu Why

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

Page 3: 2/27/2012Katsushi Arisaka, UCLA 1 Katsushi Arisaka University of California, Los Angeles Department of Physics and Astronomy arisaka@physics.ucla.edu Why

2/27/2012 Katsushi Arisaka, UCLA 3

Solar System

Sun Earth

Page 4: 2/27/2012Katsushi Arisaka, UCLA 1 Katsushi Arisaka University of California, Los Angeles Department of Physics and Astronomy arisaka@physics.ucla.edu Why

2/27/2012 Katsushi Arisaka, UCLA 4

Andromeda

~100 Billions Stars in a Galaxy

Page 5: 2/27/2012Katsushi Arisaka, UCLA 1 Katsushi Arisaka University of California, Los Angeles Department of Physics and Astronomy arisaka@physics.ucla.edu Why

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

Hubble Deep Field

Page 6: 2/27/2012Katsushi Arisaka, UCLA 1 Katsushi Arisaka University of California, Los Angeles Department of Physics and Astronomy arisaka@physics.ucla.edu Why

2/27/2012 Katsushi Arisaka, UCLA 6

13 billion light years away(90% of speed of light)

Page 7: 2/27/2012Katsushi Arisaka, UCLA 1 Katsushi Arisaka University of California, Los Angeles Department of Physics and Astronomy arisaka@physics.ucla.edu Why

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 BillonLight Years

Big Bang!

Page 8: 2/27/2012Katsushi Arisaka, UCLA 1 Katsushi Arisaka University of California, Los Angeles Department of Physics and Astronomy arisaka@physics.ucla.edu Why

2/27/2012 Katsushi Arisaka, UCLA 8

Hubble Deep FieldPhysicists’ View of Early Universe

Fiat lux

Let there be light

Page 9: 2/27/2012Katsushi Arisaka, UCLA 1 Katsushi Arisaka University of California, Los Angeles Department of Physics and Astronomy arisaka@physics.ucla.edu Why

2/27/2012 Katsushi Arisaka, UCLA 9

CERN and LHC in Geneva

27 km Circumference

Page 10: 2/27/2012Katsushi Arisaka, UCLA 1 Katsushi Arisaka University of California, Los Angeles Department of Physics and Astronomy arisaka@physics.ucla.edu Why

2/27/2012 Katsushi Arisaka, UCLA 10

LHC Tunnel with Magnets

Page 11: 2/27/2012Katsushi Arisaka, UCLA 1 Katsushi Arisaka University of California, Los Angeles Department of Physics and Astronomy arisaka@physics.ucla.edu Why

2/27/2012 Katsushi Arisaka, UCLA 11

CMS Collaboration (1993 ~)

Page 12: 2/27/2012Katsushi Arisaka, UCLA 1 Katsushi Arisaka University of California, Los Angeles Department of Physics and Astronomy arisaka@physics.ucla.edu Why

2/27/2012 Katsushi Arisaka, UCLA 12

CMS

Page 13: 2/27/2012Katsushi Arisaka, UCLA 1 Katsushi Arisaka University of California, Los Angeles Department of Physics and Astronomy arisaka@physics.ucla.edu Why

2/27/2012 Katsushi Arisaka, UCLA 13

CMS Barrel Yoke

Page 14: 2/27/2012Katsushi Arisaka, UCLA 1 Katsushi Arisaka University of California, Los Angeles Department of Physics and Astronomy arisaka@physics.ucla.edu Why

2/27/2012 Katsushi Arisaka, UCLA 14

Installing muon Detectors

Page 15: 2/27/2012Katsushi Arisaka, UCLA 1 Katsushi Arisaka University of California, Los Angeles Department of Physics and Astronomy arisaka@physics.ucla.edu Why

2/27/2012 Katsushi Arisaka, UCLA 15

Page 16: 2/27/2012Katsushi Arisaka, UCLA 1 Katsushi Arisaka University of California, Los Angeles Department of Physics and Astronomy arisaka@physics.ucla.edu Why

2/27/2012 Katsushi Arisaka, UCLA 16

Page 17: 2/27/2012Katsushi Arisaka, UCLA 1 Katsushi Arisaka University of California, Los Angeles Department of Physics and Astronomy arisaka@physics.ucla.edu Why

Katsushi Arisaka, UCLASept 15, 2008 Issue

Particle detectorsconstructedat Westwood,now at LHC, CERN

2/27/2012 17

Page 18: 2/27/2012Katsushi Arisaka, UCLA 1 Katsushi Arisaka University of California, Los Angeles Department of Physics and Astronomy arisaka@physics.ucla.edu Why

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

Page 19: 2/27/2012Katsushi Arisaka, UCLA 1 Katsushi Arisaka University of California, Los Angeles Department of Physics and Astronomy arisaka@physics.ucla.edu Why

2/27/2012 Katsushi Arisaka, UCLA 19

Page 20: 2/27/2012Katsushi Arisaka, UCLA 1 Katsushi Arisaka University of California, Los Angeles Department of Physics and Astronomy arisaka@physics.ucla.edu Why

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

Page 21: 2/27/2012Katsushi Arisaka, UCLA 1 Katsushi Arisaka University of California, Los Angeles Department of Physics and Astronomy arisaka@physics.ucla.edu Why

2/27/2012 Katsushi Arisaka, UCLA 21

Are there more than

one Universe?

Page 22: 2/27/2012Katsushi Arisaka, UCLA 1 Katsushi Arisaka University of California, Los Angeles Department of Physics and Astronomy arisaka@physics.ucla.edu Why

2/27/2012 Katsushi Arisaka, UCLA 22

Linde’s Multiverseby Chaotic Inflation

Page 23: 2/27/2012Katsushi Arisaka, UCLA 1 Katsushi Arisaka University of California, Los Angeles Department of Physics and Astronomy arisaka@physics.ucla.edu Why

2/27/2012 Katsushi Arisaka, UCLA 23

There may be ~100 Billion Universes.

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