Searching Solar X-ray Observations for Axions

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Hannah–Durham, July 2009 Geometry for Coronal Conversion • Conversion of axion to X‐ray in coronal magnetic field (Carlson & Tseng 1996) • Detect X‐rays from appropriate spacecraft Axions • Or conversion in Earth’s night side magnetic field (Davoudiasl & Huber 2006) – No competing Solar X‐rays B X‐rays *not to scale 4
– Carlson & Tseng 1996 Hannah–Durham, July 2009 Probability of Axion Conversion • This depends on the density and perpendicular magnetic field structure in the solar atmosphere the axion encounters • So to estimate the detectability of X‐rays from solar axions – Need to know n,B as a function of (x,y,z) in the solar atmosphere – Then need to compare this to the other competing sources of X‐ray emission from the Sun. 5
Page 1 and 2: Searching Solar X‐ray Observation
Page 3: • Predicted axion spectrum from c
Page 7 and 8: • Do not accurately know B Hannah
Page 9 and 10: • The solar 2 product is much la
Page 11 and 12: • From December 2006, approaching
Page 13 and 14: Hannah-Durham, July 2009 Multi‐wa
Page 15 and 16: Hannah-Durham, July 2009 Yohkoh Sof
Page 17 and 18: Hannah-Durham, July 2009 Future Sol
Page 19: Hannah-Durham, July 2009 Conclusion

Searching Solar X-ray Observations for Axions

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