The existence of materials with very high specific energies greatly exceeding the local virial temperature is best represented by cosmic rays, whose origin has long been a mystery. Recent astrophysical observations in X-ray, gamma-ray, neutrino, and high energy cosmic ray experiments, in conjunction with theoretical studies, have revealed various new aspects of the high energy universe, including promising candidates for cosmic ray acceleration sites. As each approach has its own advantages and limitations, it is expected that joint efforts by experimentalists and theorists in various related fields are essential.

The contributions in this volume include observation of the universe through a wide range of techniques for detecting cosmic rays, neutrinos, X-rays and gamma-rays, as well as theoretical considerations in understanding their nature and astrophysical aspects.

Contents:

• AGASA Results and the Status of TA (M Fukushima)
• Results from the High Resolution Fly's Eye Experiment (C C H Jui)
• Astrophysical Origins of the Highest Energy Cosmic Rays (S Inoue)
• Cosmic Rays and Magnetic Fields in Large Scale Structure of the Universe (H Kang)
• Characterization of Microwave Continuum Emission from UHECR Extensive Air Showers (B T Stokes et al.)
• Cosmic Rays at the Knee (T K Gaisser)
• The Anti Matter Spectrometer (AMS-02): A Particle Physics Detector in Space (R Battiston)
• Cosmic Neutrinos and the Energy Budget of Galactic and Extragalactic Cosmic Rays (F Halzen)
• Precise Measurement of Low Energy ( The PAMELA Cosmic Ray Telescope on Board Resurs-DK1 Satellite: An Overview of Heliospheric Observation Capabilities (M Casolino)
• Particle Acceleration in Kinetic Plasma Processes (M Hoshino et al.)
• Gamma-Ray Burst: Problems Delineated by HETE-2 and Other Observations (N Kawai)
• The Non-Thermal High Energy Emission from GRBs � Theoretical Prediction (E Nakar)
• Recent Results from CANGAROO (M Mori)
• Observations of Galactic Gamma-Ray Sources with H.E.S.S. (D Berge)
• Particle Acceleration in Supernova Remnants and the Resulting Nonthermal Emission (H J V�lk)
• Recent Results from the MAGIC Project and Outlook (J A Coarasa)
• All-Sky Survey High Resolution Air-Shower Detector (Ashra) (M Sasaki)
• TeV Gamma-Rays from Old Supernova Remnants (R Yamazaki et al.)
• The CALET Project for Investigating High Energy Universe (S Torii)
• Initial Results from Suzaku (T Takahashi et al.)
• X-Ray Diagnostics of Acceleration Processes (A Bamba)
• Supernovae in the Universe (S Yamada)
• Search for Supernova Neutrinos at Super-Kamiokande (T A Thompson)
• and other papers

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