HEP 2002 Summary and Prospect 10192021 Frank Wilczek

HEP 2002: Summary and Prospect 10/19/2021 Frank Wilczek, MIT

The Standard Model (1) l QCD l l Triumph of Quantum Field Theory Expanding Frontiers l l 10/19/2021 Matter in Extreme Conditions Explanatory (Quantitative) Power Frank Wilczek, MIT

10/19/2021 Frank Wilczek, MIT

The Standard Model (2) l Electroweak l l Triumph of Quantum Field Theory Flavor Sector / CP Violation More to Come … The Standard Model Is Self. Transcending! 10/19/2021 Frank Wilczek, MIT

10/19/2021 Frank Wilczek, MIT

Unification and Supersymmetry (1) l Unification l l l Quantum Numbers Couplings! Scale l l l 10/19/2021 Neutrino Masses Gravity (nearly) Not (yet? ) Proton Decay (nor others …) Frank Wilczek, MIT

10/19/2021 Frank Wilczek, MIT

10/19/2021 Frank Wilczek, MIT

10/19/2021 Frank Wilczek, MIT

Unification and Supersymmetry (2) l Electroweak Indications l l l Radiative Stability of Weak Scale Lightness of Higgs Mass Small Radiative Corrections 10/19/2021 Frank Wilczek, MIT

10/19/2021 Frank Wilczek, MIT

10/19/2021 Frank Wilczek, MIT

Unification and Supersymmetry (3) l Significance l l Dark Matter, Perhaps Opening New Windows Deep Issues in Breaking l Sources for Flavor and CP Violation l 10/19/2021 Frank Wilczek, MIT

10/19/2021 Frank Wilczek, MIT

10/19/2021 Frank Wilczek, MIT

The Higgs Particle (1) l l Limit from Radiative Corrections Significance of the Limit l l 10/19/2021 Theory Experiment Frank Wilczek, MIT

10/19/2021 Frank Wilczek, MIT

10/19/2021 Frank Wilczek, MIT

The Higgs Particle (2) l Issues Arising l l 10/19/2021 Gluon Distributions (To Check Basic Coupling -- Beautiful QFT!) Diffractive Production Frank Wilczek, MIT

Flavor: Mass, Mixing, CP (1) l Consolidation of the CKM Picture l l l / B Physics / Unitarity Triangle Neutrino Masses and Mixings l l l 10/19/2021 Atmospheric Solar Future Experiments Frank Wilczek, MIT

10/19/2021 Frank Wilczek, MIT

10/19/2021 Frank Wilczek, MIT

10/19/2021 Frank Wilczek, MIT

10/19/2021 Frank Wilczek, MIT

10/19/2021 Frank Wilczek, MIT

10/19/2021 Frank Wilczek, MIT

Flavor: Mass, Mixing, CP (2) l What Does It All Mean? l l Lots of Things Don’t Happen! Patterns!? l l 10/19/2021 Family Repetition Mass Hierarchy (? ) Mixing Hierarchy for Quarks, but Not Neutrinos Big Phases Frank Wilczek, MIT

Flavor: Mass, Mixing, CP (3) l Hints of Deeper Connections m Scale l m /m b l m ! t l l Unification Textures? LMA Presents a Challenge l Lopsided Mass Matrices • Not-Quite Maximal Mixing for Solar l 10/19/2021 Frank Wilczek, MIT

Flavor: Mass, Mixing, CP (4) l Mechanisms? l l l (Small) Extra Dimensions? Cosmology? Anthropics? More to Come l l l 10/19/2021 L Violations B Violation Electric Dipole Moments Frank Wilczek, MIT

Cosmic Connections (1) l Dark Matter l l l LSP? Axion? Dark Energy l l 10/19/2021 Why is it Small? Why is it Taking Over the Universe? Frank Wilczek, MIT

10/19/2021 Frank Wilczek, MIT

Cosmic Connections (2) l Cosmic Rays l l l GZK !? Strangelets? (Strange Stars? ? ) Gravity Waves l l 10/19/2021 Cosmological (Inflation) Extreme Collisions (Quark Matter? ) Frank Wilczek, MIT

10/19/2021 Frank Wilczek, MIT

10/19/2021 Frank Wilczek, MIT

An Ultralight Sector? (1) l Axions l l l Strong CP Problem Dark Matter Dilatons, Familons, Modulons 10/19/2021 Frank Wilczek, MIT

10/19/2021 Frank Wilczek, MIT

An Ultralight Sector? (2) l Anthropic Principle l l l With Inflation, a New Status Anthropics can be Unavoidable! Candidates for Anthropics “Second” Problem - Vadron? l m -m ? u d l l 10/19/2021 Mis-Anthropics Frank Wilczek, MIT

An Ultralight Sector? (3) l Experiments! l l l 10/19/2021 Search for Axions Forces, Scalar and Pseudoscalar Variation of Constants? Frank Wilczek, MIT

The Glory of Precision l Perturbative l l l Electroweak QCD Non-Perturbative 10/19/2021 Frank Wilczek, MIT

10/19/2021 Frank Wilczek, MIT

Conclusion l l Brilliant Work by Many People has Resulted in an Extraordinarily Profound, Precise Description of the Physical World Because of This We Can Both Ask, and Formulate Plans to Answer, Some Truly Awesome Questions 10/19/2021 Frank Wilczek, MIT