Fundamental Physics: Gamma-Ray Absorption and Axion-Like Particles - Class 1

Fundamental Physics: Gamma-Ray Absorption and Axion-Like Particles - Class 1

ICTP-SAIFR via YouTube Direct link

Intro

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1 of 20

Intro

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Fundamental Physics: Gamma-Ray Absorption and Axion-Like Particles - Class 1

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  1. 1 Intro
  2. 2 AIM OF MY LECTURES: UNDERSTAND THIS PLOT
  3. 3 OUTLINE LECTURE 1
  4. 4 THRESHOLD FOR PAIR PRODUCTION
  5. 5 CROSS SECTION FOR PAIR PRODUCTION
  6. 6 BACKGROUND RADIATION FIELDS
  7. 7 EBL MEASUREMENTS
  8. 8 INGREDIENTS TO THE EBL: STARS
  9. 9 ADDITIONAL CONTRIBUTIONS?
  10. 10 EBL MODELS
  11. 11 OPTICAL DEPTH
  12. 12 CONSTRAINING THE EBL WITH GAMMA-RAY OBSERVATIONS
  13. 13 MODEL THE EBL INGREDIENTS DIRECTLY
  14. 14 CONCLUSIONS y-RAY ABSORPTION
  15. 15 PARITY TRANSFORMATION
  16. 16 CHARGE-PARITY
  17. 17 AXION SOLVES THE STRONG CP PROBLEM
  18. 18 AXIONLIKE PARTICLES (ALPs)
  19. 19 EVOLUTION OF AXION/ALP FIELD IN AN EXPANDING UNIVERSE
  20. 20 THE AXION / ALP PARAMETER SPACE

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