The Future of Nuclear Physics: From Quarks to the …Nuclear Astrophysics: From The Beginning of...
Transcript of The Future of Nuclear Physics: From Quarks to the …Nuclear Astrophysics: From The Beginning of...
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Nuclear Astrophysics: From Nuclear Astrophysics: From The Beginning of Time to the The Beginning of Time to the
End of the UniverseEnd of the Universe
Nuclear Physics, the Core of Matter, the Fuel of Nuclear Physics, the Core of Matter, the Fuel of Stars (Schiffer Fest)Stars (Schiffer Fest)
September 22, 2006Michael S. Turner
Kavli Institute for Cosmological Physics
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Chemists like to say, “Chemistry makes the world run, from energy
and materials to life here and beyond”
However, without Nuclear Physics there However, without Nuclear Physics there would only be Hydrogen and not much would only be Hydrogen and not much
chemistry. And nuclear energy is million chemistry. And nuclear energy is million times as powerful as chemical energy!times as powerful as chemical energy!
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Nuclear Astrophysics:Nuclear Astrophysics:The Interesting Journey from The Interesting Journey from Quarks to the Periodic TableQuarks to the Periodic Table
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SuccessesSuccesses• Origin of the Periodic Table
– Big bang; cosmic rays; main-sequence stars; novae and supernovae
• Standard Solar Model– Fusion power plant tested to better than 1%
• Macroscopic nuclear matter– Neutron stars, pulsars, highest Tc superconductor
• Nuclear power plants (stars) and explosions
• Big Bang Nucleosynthesis– Nuclear physics in an old, quenched reactor
• Neutrinos!: SN87a, solar, atmospheric, reactors
• Quark/Gluon Plasma on the lattice and in the lab(?)
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BBN: Quenched Nuclear ReactorBBN: Quenched Nuclear ReactorT ~ 109 K, ρ ~ g/cm3, t ~ sec
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CMB (first to second peak)Ωbh2 = 0.022±0.001
BBN (Deuterium)Ωbh2 = 0.020±0.001
Ωb = 4% to 5%!
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Consistency!Consistency!• Earliest test of big-bang cosmology
• Stringent test of constancy of laws of physics (gravity, nuclear, and otherwise)
• Probe of fundamental physics (Nν < 3.2)
• Probe of cosmology: ΩB = 4% to 5%
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John Bahcall
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Standard Solar Model vs. Helioseismology Standard Solar Model vs. Neutrinos
Gravitational Confined Fusion ReactorGravitational Confined Fusion Reactor
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The Very Bright and The Very Bright and Exciting Nuclear Frontier: Exciting Nuclear Frontier:
Quarks to the CosmosQuarks to the Cosmos
Bright enough to continue to attract the
next generation of John Schiffers
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How did quark/gluon matter How did quark/gluon matter becomes nuclear matter (here becomes nuclear matter (here
and there)?and there)?
Marriage of two pillars of fundamental physicsMarriage of two pillars of fundamental physics
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What is the Complete Periodic What is the Complete Periodic Table of Elements and Nuclides?Table of Elements and Nuclides?
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How Were the Elements Beyond How Were the Elements Beyond the Iron Peak Produced?the Iron Peak Produced?
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How Do Massive Stars Explode?How Do Massive Stars Explode?
Both thermonuclear and gravitational explosions
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How Do Neutrinos Shape the How Do Neutrinos Shape the Universe?Universe?
Origin of baryons, large-scale structure, stellar explosions, stellar nucleosynthesis, …
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Measuring Critical Nuclear Measuring Critical Nuclear Properties for Applied Science, Properties for Applied Science,
Astrophysics and National Astrophysics and National SecuritySecurity
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The Demise of Nuclei (and The Demise of Nuclei (and Nucleons) through neutron stars, Nucleons) through neutron stars, black holes, proton decay or the black holes, proton decay or the
end of the Universe end of the Universe ……