2009-09-22

Dr Jannson

I participated in Ronnie Jannson's PhD defense today. He has tested Galactic magnetic field models, and their implications for ultra-high-energy cosmic rays. He showed that none of the GMF models are reasonable, and that there is a substantial probability that a large fraction of the UHECRs come from a small number of sources. Great stuff and congratulations, Dr Jannson.

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