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Particles, Energy, and Cosmology

Particles, Energy, and Cosmology Eugene Rotary Jim Brau February 5, 2008

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The End of Physics
"The more important fundamental laws and facts of physical science have all been discovered, and these are now so firmly established that the possibility of their ever being supplanted in consequence of new discoveries is exceedingly remote."

Particles, Energy, and Cosmology Eugene Rotary Jim Brau February 5, 2008

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The End of Physics - 1894

Particles, Energy, and Cosmology Eugene Rotary Jim Brau February 5, 2008

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The Miracle Year - 1905

Particles, Energy, and Cosmology Eugene Rotary Jim Brau February 5, 2008

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R elativ ity
· When a man sits with a pretty girl for an hour, it seems like a minute. · But let him sit on a hot stove for a minute--and it's longer than any hour. · That's relativity.

Particles, Energy, and Cosmology Eugene Rotary Jim Brau February 5, 2008

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Unification of Forces

Particles, Energy, and Cosmology Eugene Rotary Jim Brau February 5, 2008

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Modern scientific instruments

Particles, Energy, and Cosmology Eugene Rotary Jim Brau February 5, 2008

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Particle Accelerators and Colliders
1. Super-microscope

2. Creation of massive matter (E=mc2)

Particles, Energy, and Cosmology Eugene Rotary Jim Brau February 5, 2008

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What is matter?

Particles, Energy, and Cosmology Eugene Rotary Jim Brau February 5, 2008

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The Structure of Matter
?

?
Particles, Energy, and Cosmology Eugene Rotary Jim Brau February 5, 2008

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Dar k M atter

Particles, Energy, and Cosmology Eugene Rotary Jim Brau February 5, 2008

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The Cosmic Fireball
· Visible remnant of the Big Bang

Microwaves in the sky

14 b illion year s

Particles, Energy, and Cosmology Eugene Rotary Jim Brau February 5, 2008

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Make-up of the Universe
· Dominately dark matter and dark energy
­ Very little anti-matter

·Dark Energy - Mysterious component other atomic nuclei

Energy of the Universe

Particles, Energy, and Cosmology Eugene Rotary Jim Brau February 5, 2008

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The Dar k S id e Con tr ols the U n iv er se
Dark Matter
HOLDS IT TOGETHER

Dark Energy
DETERMINES ITS DESTINY

Particles, Energy, and Cosmology Eugene Rotary Jim Brau February 5, 2008

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What is the Dark Matter?
PO PO U L A R H Y PO T H E S I S

SuperString Theory
· All fundamental particles are vibrating strings · Theory unifies all particles and all forces
­ g r a v it y w it h q u a n t u m m e c h a n ic s

­ S t r in g is m in is c u le

­ S p a c e is t e n -d im e n s io n a l ( n o t 3 D !) ­ A n e w s e t o f p a r t ic le s a r e p r e d ic t e d

· 10,000,000,000,000,000,000,000,000 x smller than atom

· the super-partners of ordinary particles Dark Matter ?

Particles, Energy, and Cosmology Eugene Rotary Jim Brau February 5, 2008

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The Structure of Matter
?
hypothesis

Particles, Energy, and Cosmology Eugene Rotary Jim Brau February 5, 2008

?
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Supersymmetry and Strings

· The supersymmetric particles have just the properties expected of Dark Matter
Particles, Energy, and Cosmology Eugene Rotary Jim Brau February 5, 2008
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Lar ge H ad r on Collid er ( LH C) Gen ev a, S w itzer lan d

Nearing Completion Begins operation later early next year

Particles, Energy, and Cosmology Eugene Rotary Jim Brau February 5, 2008

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LHC Detector - ATLAS

U. Oregon is member institution of ATLAS Collaboration

Particles, Energy, and Cosmology Eugene Rotary Jim Brau February 5, 2008

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Particles, Energy, and Cosmology Eugene Rotary Jim Brau February 5, 2008

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I n ter n ation al Lin ear C ollid er ( I LC)

20 miles long Expandable to 30

Under development by global collaboration
including U. Oregon

Aim to start construction within several years
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Particles, Energy, and Cosmology Eugene Rotary Jim Brau February 5, 2008


No doubt about it Al ­ Willamette Hall we've mathematically expressed the purpose of the universe. Gad, how I love the thrill of scientific discovery.

T h e U n iv e r s e is M y s t e r io u s , b u t C o m p r e h e n s ib le

Particles, Energy, and Cosmology Eugene Rotary Jim Brau February 5, 2008

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Our Mysterious Universe
· W e a r e o n t h e e v e o f a r e v o lu t io n in p h y s ic s
­ Many mysteries ­ Solutions appear near ­ Deeper understanding of the universe itself

· D a r k M a t t e r p a r t ic le s ­ m a y a p p e a r s o o n in p a r t ic le c o llid e r e x p e r im e n t s · A ls o
­ ­ ­ ­ ­ Gravity waves Higgs Boson Extra Dimensions Other AMAZING Things The Unexpected!

Particles, Energy, and Cosmology Eugene Rotary Jim Brau February 5, 2008

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Acknowledgements
RESEARCH SUPPORTED BY
Department of Energy OFFICE OF SCIENCE

NATIONAL SCIENCE FOUNDATION

Philip H. Knight
Particles, Energy, and Cosmology Eugene Rotary Jim Brau February 5, 2008

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