Possible Interpretations

• Changes in Standard Model Fits

  • Change PDF sets
  • Change MHiggs

• “Old Physics” Interpretations: QCD

  • Violations of “isospin” symmetry
  • Strange vs anti-strange quark asymmetry

• Are n’s Different?

  • Special couplings to new particles
  • Majorana neutrino effects

• “New Physics” Interpretations

  • New Z’ or lepto-quark exchanges
  • New particle loop corrections

Notes: