Present State of the Standard Model

Initial Questions

 * What leads us to believe that the Standard Model particles only account for 5% of the Universe?
 * Science Daily article
 * Brahmand News
 * PhysicsCentral - Dark Matter ****
 * Wikipedia - Big Bang ****
 * Oxford Physics


 * What are the shortcomings of the Standard Model?
 * New particles necessary to accomodate neutrino masses *****
 * Open Questions
 * Symmetry Groups, Unification, and Model Building
 * PhysicsCentral - (Anti)Neutrino Disappearance
 * Quora - SM Alternatives
 * Wikipedia - Physics Beyond the SM - Problems with the Standard Model


 * How do we know that neutrinos are not dark?
 * Physics for the 21st Century
 * Neutrino History
 * Open Questions - Neutrinos
 * Open Questions - Neutrino Physics
 * Wikipedia - Neutrino


 * Where do we think the antimatter is?
 * Quantum Universe
 * CERN Antimatter
 * Physics for the 21st Century
 * SLAC - CP Violation
 * Fermilab - Antimatter and Virtual Photons


 * What facts and theories go beyond the Standard Model?
 * Tevatron finding - new elementary particle
 * Tachyons
 * Fermilab - Consequences of Superstring Theory
 * Fermilab - The Future of Physics
 * Pulse - Accelerator Science in Medicine
 * Beyond the Standard Model


 * What current research is occurring to support Standard Model theory?
 * Higgs boson search
 * Fermilab - What to Expect in the Future
 * Fermilab - Particle Model
 * PhysicsCentral - Mini-BooNE
 * Looking Inside the Standard Model


 * How does the Standard Model accomodate gravity?
 * Gravity at Microscopic Scales
 * Fermilab - Gravitons
 * Fermilab - Higgs Particle/Graviton Connection
 * Wikipedia - Physics Beyond the SM - String Theory
 * Strings, Gauge Theory and Gravity


 * What is quantum gravity?
 * Physics for the 21st Century
 * SLAC - Gravitational Interactions
 * Cambridge Relativity - Quantum Gravity
 * Open Questions - Quantum Gravity
 * Wikipedia - Quantum Gravity


 * What is symmetry?
 * Quantum Universe
 * Wikipedia - Symmetry (physics)
 * PNAS - The role of symmetry in fundamental physics
 * Stanford - Symmetry and Symmetry Breaking
 * Wikipedia - Intro to gauge theory
 * Gauge Symmetry in Phase Space, Consequences for Physics and Spacetime

Images

 * Matter/Antimatter
 * Matter/Dark pie chart
 * Standard Model Chart
 * Forces Summary
 * Dark/Atom pie chart