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LHC

cosmic rays. T. Gaisser 2005. Nature accelerates particles 10 7 times the energy of LHC! where? how?. ~E -2.7. knee 1 part m -2 yr -1. ~E -3. ankle 1 part km -2 yr -1. ~E -2.7. LHC. flux of extra-galactic cosmic rays. ankle  one 10 19 eV particle

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LHC

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  1. cosmic rays T. Gaisser 2005 • Nature accelerates particles 10 7 times the energy of LHC! • where? • how? ~E-2.7 knee 1 part m-2 yr-1 ~E-3 ankle 1 part km-2 yr-1 ~E-2.7 LHC

  2. flux of extra-galactic cosmic rays ankle  one 1019 eV particle per km squared per sec per sr

  3. flux = velocity x density :

  4. Neutrino Beams: Heaven & Earth NEUTRINO BEAMS: HEAVEN & EARTH Black Hole Radiation Enveloping Black Hole p + g -> n + p+ ~ cosmic ray + neutrino -> p + p0 ~ cosmic ray + gamma

  5. collapse of massive star produces a gamma ray burst highest energy particles

  6. we know that : • Black holes accelerate electrons: seen as synchrotron photons • Black holes accelerate protons: seen as cosmic rays • Black holes are surrounded by radiation fields and gases •  cosmic beam dumps exist • cosmic ray puzzle: where is the black hole ?

  7. Waxman-Bahcall Flux oscillations inp+decay

  8. detection method lattice of light sensors

  9. events per km2 year:

  10. gamma ray bursts sources are transparent

  11. Hillas formula

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