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Article Contents

ABSTRACT

1.THERE'S SOMETHING ABOUT COSMIC RAY OBSERVATIONS

1.1.Experiments and future projects

1.2.Primary species

1.3.Distribution of arrival directions

1.4.Propagation of UHECRs

1.5.GZK-end of the cosmic ray spectrum?

2.VANILLA SKY: UHECR GENERATION WITHIN THE STANDARD LORE

2.1.A brief low energy perspective

2.2.Plausible sources of UHECRs and the Hillas' plot

2.3.Neutron stars

2.4.Radio Galaxies and Active Galactic Nuclei

2.5.Remnants of quasars

2.6.Starbursts

2.7.Luminous Infrared Galaxies

2.8.Gamma-ray bursts

3.FULL THROTTLE: UHECR GENERATION BEYOND THE STANDARD LORE

4.Minority Report: Neutrino Showers

4.1.Bounds on the energy spectrum

4.2.Astronomy on Ice

4.3.Probes of new physics beyond the electroweak scale

5.ANY GIVEN SUNDAY: COUNTDOWN TO DISCOVERY

REFERENCES