Cosmic ray physics and AUGER latest results
Cosmic ray physics and AUGER latest results
Cosmic ray physics and AUGER latest results
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112<br />
Photon limit<br />
■<br />
Top-down models predict abundant fluxes of UHE photons<br />
SHDM models: decay of superheavy<br />
dark matter accumulated in<br />
Galactic halo<br />
Showers at E = 10 19 eV, θ = 0º :<br />
TD models: supermassive particle<br />
decay from topological defect<br />
interaction or annihilation<br />
■<br />
Photon-induced showers<br />
look very different<br />
Paris, 9 th June 2008 — IDAPPʼs two days 2008 — E. Parizot (APC / Univ. Paris 7)