Looking Through The Mirror: Parity Violation in the Future : Looking Through The Mirror: Parity Violation in the Future + many students, post-docs, collaborators, and colleagues
Fundamental Symmetries & Cosmic History : Fundamental Symmetries & Cosmic History What are the fundamental symmetries that have governed the microphysics of the evolving universe? Parity as a (broken) symmetry
Parity violation as a probe of other symmetries
Fundamental Symmetries & Cosmic History : Fundamental Symmetries & Cosmic History
Fundamental Symmetries & Cosmic History : Fundamental Symmetries & Cosmic History Parity the Standard Model Observations of PV in b-decay, electron scattering, and atoms taught us about SU(2)Lx U(1)Y symmetry and its breaking
Fundamental Symmetries & Cosmic History : Fundamental Symmetries & Cosmic History Parity: Standard Model & Beyond Observations of PV in b-decay, electron scattering, atoms, e+e- annihilation are providing insights about the SU(3)C sector of the SM & the “new” SM
Fundamental Symmetries & Cosmic History : Fundamental Symmetries & Cosmic History SM “unfinished business”: What is the internal landscape of the proton?
Sea quarks and gluons
Fundamental Symmetries & Cosmic History : Fundamental Symmetries & Cosmic History SM “unfinished business”: How do weak interactions of hadrons reflect the weak qq force ?
Are QCD symmetries (chiral, large NC,…) applicable? Is there a long range weak NN interaction?
Fundamental Symmetries & Cosmic History : Fundamental Symmetries & Cosmic History Puzzles the Standard Model can’t solve Origin of matter
Unification & gravity
Weak scale stability
Neutrinos What are the symmetries (forces) of the early universe beyond those of the SM?
Fundamental Symmetries & Cosmic History : Fundamental Symmetries & Cosmic History What are the fundamental symmetries that have governed the microphysics of the evolving universe? Parity violation as a probe of the proton’s internal structure (sea quarks, twist)
Parity violation as probe of the hadronic weak interaction
Parity violation as a probe of additional symmetries of the early universe
Internal “landscape” of the proton : Internal “landscape” of the proton How does QCD package and distribute quarks and gluons inside the proton?
We can uncover the sea with PV : We can uncover the sea with PV
Probing the sea with PV ep scattering : Probing the sea with PV ep scattering Neutral Weak Form Factors Kaplan and Manohar McKeown
Probing the sea with PV ep scattering : Probing the sea with PV ep scattering
Probing the sea with PV ep scattering : Preliminary Probing the sea with PV ep scattering GMs = 0.28 +/- 0.20
GEs = -0.006 +/- 0.016
~3% +/- 2.3% of proton magnetic moment
~20% +/- 15% of isoscalar magnetic moment
~0.2 +/- 0.5% of Electric distribution
Courtesy of Kent Pashke (U Mass) Consistent with s-quark contributions to mP & JP but smaller than early theoretical expectations
Probing Higher Twist with PV : Probing Higher Twist with PV
Weak Interactions of Hadrons: Strange? : Weak Interactions of Hadrons: Strange?
Weak Interactions of S=0 Hadrons: Strange? : Weak Interactions of S=0 Hadrons: Strange? Use parity-violation to filter out EM & strong interactions Desplanques, Donoghue, &Holstein (DDH)
Is the weak NN force short range ? : Is the weak NN force short range ?
Is the weak NN force short range ? : Is the weak NN force short range ?
Hadronic PV: Effective Field Theory : Hadronic PV: Effective Field Theory PV Potential Long Range Short Range Medium Range
Hadronic PV: Few-Body Systems : Hadronic PV: Few-Body Systems Pionless theory Ab initio few-body calcs
Hadronic PV: Few-Body Systems : Hadronic PV: Few-Body Systems
Hadronic PV & 0n bb - decay : Hadronic PV & 0n bb - decay
Hadronic PV & 0n bb - decay : Hadronic PV & 0n bb - decay
Hadronic PV as a probe : Hadronic PV as a probe Determine VPV through O (p) from PV low-energy few-body studies where power counting works
Re-analyze nuclear PV observables using this VPV If successful, we would have some indication that operator power counting works in nuclei
Apply to 0nbb-decay
PV Correlations in Muon Decay & mn : PV Correlations in Muon Decay & mn
PV Correlations in Muon Decay & mn : PV Correlations in Muon Decay & mn Model Independent Analysis Model Dependent Analysis 2005 Global fit: Gagliardi et al.
PV as a Probe of New Symmetries : PV as a Probe of New Symmetries Unseen Forces: Supersymmetry ? Unification & gravity
Weak scale stability
Origin of matter
Neutrinos
Weak decays & new physics : Weak decays & new physics
Weak decays & PV : Weak decays & PV
Weak decays & PV : Weak decays & PV
Probing SUSY with PV eN Interactions : Probing SUSY with PV eN Interactions
Weak Mixing Angle: Scale Dependence : Weak Mixing Angle: Scale Dependence Czarnecki, Marciano Erler, Kurylov, MR-M
Probing SUSY with PV eN Interactions : Probing SUSY with PV eN Interactions -> e+e SUSY dark matter Kurylov, Su, MR-M
Additional PV electron scattering ideas : Additional PV electron scattering ideas Czarnecki, Marciano Erler et al.
Probing SUSY with PV eN Interactions : Probing SUSY with PV eN Interactions SUSY dark matter Kurylov, R-M, Su
Looking through the Mirror: : Looking through the Mirror: The violation of parity invariance in low energy weak interactions has provided key information about the structure of the Standard Model
PV is now a powerful tool for probing other aspects of the symmetries of the Standard Model and beyond
We can look forward to a rich array of PV studies in nuclear, particle, and atomic physics in the next quarter century The mirror will undoubtedly appear quite different when PV reaches 75