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Muons underground

Muons underground. Discuss problems, Finish discussion of oscillations, Start muons underground. p. p. n m. m. e. m +. W +. n e. n e. n m. e +. n m. p  m  e. Introduction to High Energy Physics D.H. Perkins 3 rd edition (1987). Differential and integral spectrum of muons.

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Muons underground

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  1. Muons underground Discuss problems, Finish discussion of oscillations, Start muons underground Tom Gaisser

  2. p p nm m e m+ W+ ne ne nm e+ nm p m  e Introduction to High Energy Physics D.H. Perkins 3rd edition (1987) Tom Gaisser

  3. Tom Gaisser

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  5. Tom Gaisser

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  7. Differential and integral spectrum of muons Differential Integral Energy loss: Em (surface) = exp{ b X } · ( Em +e ) - e Set Em = e { exp[ b X ] - 1 } in Integral flux to get depth – intensity curve Tom Gaisser

  8. Practical application: Ice properties at South Pole Counting rates in IceCube DOMs 1450 m 2450 m Tom Gaisser

  9. Tom Gaisser

  10. Muon “visibility radius” vs depth Muon visibility radius (leff) ( be + a )-1 From ice properties paper: JGR 2006 Tom Gaisser

  11. Muon energy spectrum at depth Tom Gaisser

  12. High-energy, deep muons Tom Gaisser

  13. Plot shows dNm / dln(Em) Tom Gaisser

  14. Neutrino-induced muons Tom Gaisser

  15. Atmospheric muons (shape only) Tom Gaisser

  16. Tom Gaisser

  17. d-function Tom Gaisser

  18. Tom Gaisser

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