De_Angelis_Alessandro.pdf

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Alessandro De Angelis MAGIC ICRC 2011 all e + e - Preliminary e + /e + +e - probe e+/e- ratio at 300-700 GeV ? MAGIC
• LHC may find candidates but cannot prove that they are the observed Dark Matter, nor localize it • Direct searches (nuclear recoil) may recognize local halo WIMPs but cannot prove the nature and composition of Dark Matter in the sky • LHC reach limited to some 200-600 GeV; IACT sensitivity starts at some ~200 GeV (should improve) Alessandro De Angelis 33
Page 1 and 2: • • • 1
Page 3 and 4: • - • - - • - μ μ
Page 5 and 6: hadronic cascades p + (>>TeV) matte
Page 7: edshift z 30 GeV 100 GeV > 1 regio
Page 10: c ~ 1º e Threshold @ sl: 21 MeV Ma
Page 13 and 14: VERITAS: 4 telescopes (~12m) in Ari
Page 15 and 16: • • •
Page 17 and 18: W51: gamma rays come from a molecul
Page 19 and 20: Alessandro De Angelis 19
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Page 27 and 28: (t) obs 3 2 E E s2 2 1 H0
Page 29 and 30: • -, - • • Alessandro
Page 31: • • • • Alessandro
Page 35 and 36: 2 arrays: north+south all-sky cove
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Page 39 and 40: 39
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
Page 54 and 55: 100 m 2 dish area 1.2 m mirror face
Page 56 and 57: Wavelenght range 300 - 600 nm Mirro
Page 58 and 59: Hardware key elements: - O(100) Tel
Page 60 and 61: • • Fermi Alessandro De Ang
Page 62 and 63: 65 2008 2009 2010 2011 2012 2013 2
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Page 66 and 67: DARMA 3C279 Note: if conversion “
Page 68 and 69: 1st order (t) obs E H0 E s1
Page 70 and 71: • z = 0.903 ± 0.003 • prompt s
Page 72 and 73: Better bkgd reduction Better angula
Page 74 and 75: 1. If c e < c => decay -> e + e
Page 76 and 77: ( E,z)= dz dl z dz 0 2 0 dx x 2
Page 78 and 79: • • • • BOOTES FO
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