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Active Galactic Nuclei: Sources for Ultra High Energy Neutrinos!
Handle: Document-48831
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Friday, March 6, 2009 08:41:20 AM CST
Friday, March 6, 2009 08:41:42 AM CST
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  • BUT : � If most ultra high energy cosmic rays heavy ions � First interaction does not produce neutrinos so directly � Only multiple stage interaction gives neutrinos � How do we get a large flux of ultra high energy neutri nos ? 90 o MESSIER 031 MESSIER 033 NGC 1569 NGC 6946 NGC 0055 SMC MESSIER 082 NGC 0253 LMC MESSIER 094 Circinus Galaxy MESSIER 051a NGC 0891 NGC 2903 NGC 4945 MESSIER 051 NGC 4631 MESSIER 066 NGC 3628 NGC 0660 NGC 2146 NGC 1808 NGC 3079 MESSIER 077 NGC 1097 NGC 7582 NGC 7552 NGC 1365 NGC 3256 ESO 173 ? Source Becker & Biermann 2009 17 � The largest interaction for ultra high energy protons and ions is at the first strong shock, near about 3000 r g � Ion ?
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