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PARTICLE ASTROPHYSICS LECTURE 12 Cosmic Rays

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Page 1: PARTICLE ASTROPHYSICS LECTURE 12 Cosmic Raysgpe/palec9.pdf · Geminga Crab Credit: NASA/DOE/Fermi LAT Collaboration 1960 Year gamma Neutrinos Antiprotons protons cÞ(fi) 10-13 100

PARTICLE ASTROPHYSICS LECTURE 12Cosmic Rays

Page 2: PARTICLE ASTROPHYSICS LECTURE 12 Cosmic Raysgpe/palec9.pdf · Geminga Crab Credit: NASA/DOE/Fermi LAT Collaboration 1960 Year gamma Neutrinos Antiprotons protons cÞ(fi) 10-13 100

LHC E ~ 14 TeV Cosmic rays

LHC

Page 3: PARTICLE ASTROPHYSICS LECTURE 12 Cosmic Raysgpe/palec9.pdf · Geminga Crab Credit: NASA/DOE/Fermi LAT Collaboration 1960 Year gamma Neutrinos Antiprotons protons cÞ(fi) 10-13 100
Page 4: PARTICLE ASTROPHYSICS LECTURE 12 Cosmic Raysgpe/palec9.pdf · Geminga Crab Credit: NASA/DOE/Fermi LAT Collaboration 1960 Year gamma Neutrinos Antiprotons protons cÞ(fi) 10-13 100

Akeno Giant Air Shower Array (AGASA)

HiRes

Pierre Auger Observatory

Page 5: PARTICLE ASTROPHYSICS LECTURE 12 Cosmic Raysgpe/palec9.pdf · Geminga Crab Credit: NASA/DOE/Fermi LAT Collaboration 1960 Year gamma Neutrinos Antiprotons protons cÞ(fi) 10-13 100

Differences in abundance can be understood by spallation: destruction of heavierelements in collisions with ISM to produce lighter nuclea, in particular Be, Li, B.

Page 6: PARTICLE ASTROPHYSICS LECTURE 12 Cosmic Raysgpe/palec9.pdf · Geminga Crab Credit: NASA/DOE/Fermi LAT Collaboration 1960 Year gamma Neutrinos Antiprotons protons cÞ(fi) 10-13 100

Nearby Galactic Magnetic Field

r

Page 7: PARTICLE ASTROPHYSICS LECTURE 12 Cosmic Raysgpe/palec9.pdf · Geminga Crab Credit: NASA/DOE/Fermi LAT Collaboration 1960 Year gamma Neutrinos Antiprotons protons cÞ(fi) 10-13 100
Page 8: PARTICLE ASTROPHYSICS LECTURE 12 Cosmic Raysgpe/palec9.pdf · Geminga Crab Credit: NASA/DOE/Fermi LAT Collaboration 1960 Year gamma Neutrinos Antiprotons protons cÞ(fi) 10-13 100
Page 9: PARTICLE ASTROPHYSICS LECTURE 12 Cosmic Raysgpe/palec9.pdf · Geminga Crab Credit: NASA/DOE/Fermi LAT Collaboration 1960 Year gamma Neutrinos Antiprotons protons cÞ(fi) 10-13 100
Page 10: PARTICLE ASTROPHYSICS LECTURE 12 Cosmic Raysgpe/palec9.pdf · Geminga Crab Credit: NASA/DOE/Fermi LAT Collaboration 1960 Year gamma Neutrinos Antiprotons protons cÞ(fi) 10-13 100

Cassiopeia A supernova remnant

Page 11: PARTICLE ASTROPHYSICS LECTURE 12 Cosmic Raysgpe/palec9.pdf · Geminga Crab Credit: NASA/DOE/Fermi LAT Collaboration 1960 Year gamma Neutrinos Antiprotons protons cÞ(fi) 10-13 100

p

Page 12: PARTICLE ASTROPHYSICS LECTURE 12 Cosmic Raysgpe/palec9.pdf · Geminga Crab Credit: NASA/DOE/Fermi LAT Collaboration 1960 Year gamma Neutrinos Antiprotons protons cÞ(fi) 10-13 100
Page 13: PARTICLE ASTROPHYSICS LECTURE 12 Cosmic Raysgpe/palec9.pdf · Geminga Crab Credit: NASA/DOE/Fermi LAT Collaboration 1960 Year gamma Neutrinos Antiprotons protons cÞ(fi) 10-13 100
Page 14: PARTICLE ASTROPHYSICS LECTURE 12 Cosmic Raysgpe/palec9.pdf · Geminga Crab Credit: NASA/DOE/Fermi LAT Collaboration 1960 Year gamma Neutrinos Antiprotons protons cÞ(fi) 10-13 100
Page 15: PARTICLE ASTROPHYSICS LECTURE 12 Cosmic Raysgpe/palec9.pdf · Geminga Crab Credit: NASA/DOE/Fermi LAT Collaboration 1960 Year gamma Neutrinos Antiprotons protons cÞ(fi) 10-13 100

But - Auger and HiRes see a GZK cut-off:

Page 16: PARTICLE ASTROPHYSICS LECTURE 12 Cosmic Raysgpe/palec9.pdf · Geminga Crab Credit: NASA/DOE/Fermi LAT Collaboration 1960 Year gamma Neutrinos Antiprotons protons cÞ(fi) 10-13 100

Cen AAngular distribution of Auger UHE events

Page 17: PARTICLE ASTROPHYSICS LECTURE 12 Cosmic Raysgpe/palec9.pdf · Geminga Crab Credit: NASA/DOE/Fermi LAT Collaboration 1960 Year gamma Neutrinos Antiprotons protons cÞ(fi) 10-13 100

Latest results from Auger:

Page 18: PARTICLE ASTROPHYSICS LECTURE 12 Cosmic Raysgpe/palec9.pdf · Geminga Crab Credit: NASA/DOE/Fermi LAT Collaboration 1960 Year gamma Neutrinos Antiprotons protons cÞ(fi) 10-13 100

Correlation with luminous X-ray sources:

Page 19: PARTICLE ASTROPHYSICS LECTURE 12 Cosmic Raysgpe/palec9.pdf · Geminga Crab Credit: NASA/DOE/Fermi LAT Collaboration 1960 Year gamma Neutrinos Antiprotons protons cÞ(fi) 10-13 100

Composition:

Page 20: PARTICLE ASTROPHYSICS LECTURE 12 Cosmic Raysgpe/palec9.pdf · Geminga Crab Credit: NASA/DOE/Fermi LAT Collaboration 1960 Year gamma Neutrinos Antiprotons protons cÞ(fi) 10-13 100
Page 21: PARTICLE ASTROPHYSICS LECTURE 12 Cosmic Raysgpe/palec9.pdf · Geminga Crab Credit: NASA/DOE/Fermi LAT Collaboration 1960 Year gamma Neutrinos Antiprotons protons cÞ(fi) 10-13 100
Page 22: PARTICLE ASTROPHYSICS LECTURE 12 Cosmic Raysgpe/palec9.pdf · Geminga Crab Credit: NASA/DOE/Fermi LAT Collaboration 1960 Year gamma Neutrinos Antiprotons protons cÞ(fi) 10-13 100

Numerical simulation of dark matter halo

Page 23: PARTICLE ASTROPHYSICS LECTURE 12 Cosmic Raysgpe/palec9.pdf · Geminga Crab Credit: NASA/DOE/Fermi LAT Collaboration 1960 Year gamma Neutrinos Antiprotons protons cÞ(fi) 10-13 100

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