SOLAR FLARES, X-RAYS SOLAR FLARES, X- -RAYS RAYS SOLAR FLARES, X - - PowerPoint PPT Presentation

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SOLAR FLARES, X-RAYS SOLAR FLARES, X- -RAYS RAYS SOLAR FLARES, X - - PowerPoint PPT Presentation

SOLAR FLARES, X-RAYS SOLAR FLARES, X- -RAYS RAYS SOLAR FLARES, X & MUON RATE & MUON RATE & MUON RATE September 2005 September 2005 September 2005 Solar Storm September 7-19, 2005 10 X-class solar flares X-class is


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SLIDE 1

SOLAR FLARES, X-RAYS & MUON RATE

September 2005

SOLAR FLARES, X SOLAR FLARES, X-

  • RAYS

RAYS & MUON RATE & MUON RATE

September 2005 September 2005

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SLIDE 2

Solar Storm September 7-19, 2005

  • 10 X-class solar

flares

– X-class is the highest class energy flare – Maximum: X17 on 09/07

  • 26 M-class solar

flares

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SLIDE 3

Muon Analysis 1E-10 1E-09 1E-08 1E-07 1E-06 1E-05 0.0001 0.001 0.01 0.1 1 1000 2000 3000 4000 5000 6000 7000 8000 Time (5 minutes) Muon Rate (Muons/5 minutes) 355 360 365 370 375 380 385 X-Ray Flux l(W/m²) Ray Flux Muon Rate

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SLIDE 4

Sept ’05 Solar Storm: A Glancing Blow

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SLIDE 5

Halloween ’03 Solar Storm: A Direct Hit!

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SLIDE 6

Analysis

  • Forbush decrease

– 3-5% – 1 week duration

  • Comparison: October

2003 Solar Storm

– 10% decrease – 2 week duration

  • ~3 day delay between

solar flare & Muon flux