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The next generation of axion helioscopes: The international axion observatory (IAXO)

Journal Article · · Physics Procedia
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  1. Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
  2. CEA Irfu, Centre de Saclay, Gif-sur-yvette (France)
  3. Univ. of South Carolina, Columbia, SC (United States)
  4. European Organization for Nuclear Research (CERN), Geneve (Switzerland)
  5. eIPHT, Centre d’E´tudes de Saclay (CEA-Saclay), Gif-sur-Yvette (France)
  6. Sezione di Trieste and Univ. di Trieste, Trieste (Italy)
  7. Univ. de Zaragoza, Zaragoza (Spain)
  8. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  9. Dogus Univ., Istanbul (Turkey)
  10. Univ. of Haifa, Haifa (Israel)
  11. Technical Univ. of Denmark, Lyngby (Denmark)
  12. St. Petersburg Nuclear Physics Institute, St. Petersburg (Russia)
  13. Physikalisches Institut der Univ. Bonn, Bonn (Germany)
  14. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)
  15. European Organization for Nuclear Research (CERN), Geneva (Switzerland)
  16. Aristotle Univ., Thessaloniki (Greece)
  17. National Center for Scientific Research Demokritos, Athens (Greece)
  18. Univ. de Valencia, Valencia (Spain)
  19. Russian Academy of Sciences (RAS), Moscow (Russian Federation)
  20. Ben Gurion Univ. Beer Sheva (Israel)
  21. Columbia Univ., New York, NY (United States)
  22. Kyoto Univ. (Japan)
  23. Technische Univ. Darmstadt, Darmstadt (Germany)
  24. Univ. Hamburg, Hamburg (Germany)
  25. Institut de Ciencies de l'Espai, Bellaterra (Spain)
  26. Univ. Heidelberg, Heidelberg (Germany)
  27. Rudjer Boskovic Institute, Zagreb (Croatia)
  28. Univ. of Tokyo, Tokyo (Japan)
  29. Univ. of Rijeka (Croatia)
  30. CEA Irfu, Gif-sur-Yvette (France)
  31. Kyoto Univ., Kyoto (Japan)
  32. Max-Planck-Institut fur Physik, Munich (Germany)
  33. Tokyo Inst. of Technology, Tokyo (Japan)
  34. Brookhaven National Lab. (BNL), Upton, NY (United States)
  35. Univ. of Florida, Gainesville, FL (United States)
  36. Univ. de Zaragoza, Zaragoza (Spain)Univ. de Zaragoza, Zaragoza (Spain)
  37. Univ. of California, Berkeley, CA (United States)
  38. Univ. of Cape Town (South Africa)
  39. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
  40. Univ. of Patras, Patras (Greece)
+ Show Author Affiliations
The International Axion Observatory (IAXO) is a proposed 4th-generation axion helioscope with the primary physics research goal to search for solar axions via their Primakoff conversion into photons of 1 – 10 keV energies in a strong magnetic field. IAXO will achieve a sensitivity to the axion-photon coupling gaγ down to a few ×10⁻¹² GeV⁻¹ for a wide range of axion masses up to ~ 0.25 eV. This is an improvement over the currently best (3rd generation) axion helioscope, the CERN Axion Solar Telescope (CAST), of about 5 orders of magnitude in signal strength, corresponding to a factor ~ 20 in the axion photon coupling. IAXO’s sensitivity relies on the construction of a large superconducting 8-coil toroidal magnet of 20 m length optimized for axion research. Each of the eight 60 cm diameter magnet bores is equipped with x-ray optics focusing the signal photons into ~ 0.2 cm² spots that are imaged by very low background x-ray detectors. The magnet will be built into a structure with elevation and azimuth drives that will allow solar tracking for 12 hours each day. This contribution is a summary of our papers [1, 2, 3] and we refer to these for further details.
Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC52-07NA27344
OSTI ID:
1196904
Journal Information:
Physics Procedia, Journal Name: Physics Procedia Journal Issue: C Vol. 61; ISSN 1875-3892
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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Milky Way as a kiloparsec-scale axionscope journal March 2008
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Cited By (4)

Searching for the possible signal of the photon-axionlike particle oscillation in the combined GeV and TeV spectra of supernova remnants journal December 2019
Axion miniclusters in modified cosmological histories journal January 2020
Axion-Plasmon Polaritons in Strongly Magnetized Plasmas journal May 2018
Axion Miniclusters in Modified Cosmological Histories text January 2018

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Related Subjects

46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
79 ASTRONOMY AND ASTROPHYSICS
ALP
IAXO
astroparticle physics
axion
dark matter
helioscopes
strong CP problem