AstroParticle Lunch: "Modelling the propagation of ultra-high-energy cosmic rays" Rafael Batista (University of Oxford)

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September 30, 2016
12:30PM - 1:30PM
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PRB M2005

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Add to Calendar 2016-09-30 12:30:00 2016-09-30 13:30:00 AstroParticle Lunch: "Modelling the propagation of ultra-high-energy cosmic rays" Rafael Batista (University of Oxford) The origin and nature of the ultra-high-energy cosmic rays (UHECRs) is one of the main challenges astroparticle physics.  I will discuss the difficulties in modelling the propagation of ultra-high-energy cosmic rays, given our limited knowledge of the extragalactic background light, photonuclear interactions, and cosmic magnetic fields. Particularly, I will focus on the influence of magnetic fields on the propagation, and discuss the prospects for UHECR astronomy in light of results of numerical simulations of cosmic ray propagation in the magnetised cosmic web. PRB M2005 Center for Cosmology and AstroParticle Physics (CCAPP) ccapp@osu.edu America/New_York public
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The origin and nature of the ultra-high-energy cosmic rays (UHECRs) is one of the main challenges astroparticle physics.  I will discuss the difficulties in modelling the propagation of ultra-high-energy cosmic rays, given our limited knowledge of the extragalactic background light, photonuclear interactions, and cosmic magnetic fields. Particularly, I will focus on the influence of magnetic fields on the propagation, and discuss the prospects for UHECR astronomy in light of results of numerical simulations of cosmic ray propagation in the magnetised cosmic web.

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