De_Angelis_Alessandro.pdf

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Accretion Disk 3- 10 r s Black Hole Diameter = 2r s ~ 4 AU ~ parsecs 4
hadronic cascades p + (>>TeV) matter 0 - + (TeV) In the VHE region, dN/dE ~ E - (: spectral index) To distinguish between had/leptonic origin study Spectral Energy Distribution (SED): (differential flux) . E 2 e.m. processes e - (TeV) E 2 dN/dE B (eV) Synchrotron (eV-keV) (TeV) Inverse Compton 0 decay energy E VHE 5
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Page 10: c ~ 1º e Threshold @ sl: 21 MeV Ma
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Page 17 and 18: W51: gamma rays come from a molecul
Page 19 and 20: Alessandro De Angelis 19
Page 21 and 22: - - • - • • •
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Page 29 and 30: • -, - • • Alessandro
Page 31 and 32: • • • • Alessandro
Page 33 and 34: • LHC may find candidates but can
Page 35 and 36: 2 arrays: north+south all-sky cove
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Page 41 and 42: Marvel 1961 • • 4
Page 43 and 44: Colours: 0.2 - 6 keV (Chandra) Cont
Page 45 and 46: • • dN dE 1 2 dN dE
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Page 49 and 50: Alessandro De Angelis Chandra
Page 52 and 53: Design study phase concluded in Fal
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100 m 2 dish area 1.2 m mirror face
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Wavelenght range 300 - 600 nm Mirro
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Hardware key elements: - O(100) Tel
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• • Fermi Alessandro De Ang
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65 2008 2009 2010 2011 2012 2013 2
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DARMA 3C279 Note: if conversion “
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1st order (t) obs E H0 E s1
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• z = 0.903 ± 0.003 • prompt s
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Better bkgd reduction Better angula
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1. If c e < c => decay -> e + e
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( E,z)= dz dl z dz 0 2 0 dx x 2
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Alessandro De Angelis 85
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