Shigeru's Homepage

--The Elite of the Universe --

The Standard Scenario

The GZK Mechanism

The Observation by AGASA

Beyond the GZK Mechanism

• Back to Virgo Cluster?
• Neutrinos Rule?
  • The Relic Neutrinos
  • Why You May Need a Hot Dark Metter?
  • Collisions with Cosmological Neutrinos
  • The Z boson Resonance
  • The Neutrino Cascades
  • The Z-Burst Scenario
  • The Numerical Calculation
  • The Energy Spectrum

• The Top Down Scenario

syoshida@hepburn.s.chiba-u.ac.jp