The Next Generation of Axion Helioscopes: The International Axion Observatory (IAXO)

J.K. Vogel; E. Armengaud; F.T. Avignone; M. Betz; P. Brax; Philipp Georg Brun; G. Cantatore; J.M. Carmona; G.P. Carosi; F. Caspers; S. Caspi; S.A. Cetin; D. Chelouche; Finn Erland Christensen; Anders Clemen Jakobsen

doi:10.1016/j.phpro.2014.12.031

The Next Generation of Axion Helioscopes: The International Axion Observatory (IAXO)

J.K. Vogel, E. Armengaud, F.T. Avignone, M. Betz, P. Brax, Philipp Georg Brun, G. Cantatore, J.M. Carmona, G.P. Carosi, F. Caspers, S. Caspi, S.A. Cetin, D. Chelouche, Finn Erland Christensen, Anders Clemen Jakobsen

Department of Physics

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Abstract

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 ∼ 0.25eV. 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 60cm diameter magnet bores is equipped with x-ray optics focusing the signal photons into ∼ 0.2cm² 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 12hours each day. This contribution is a summary of our papers [1–3] and we refer to these for further details.

Original language	English
Journal	Physics Procedia
Volume	61
Pages (from-to)	193-200
ISSN	1875-3892
DOIs	https://doi.org/10.1016/j.phpro.2014.12.031
Publication status	Published - 2015

Bibliographical note

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/3.0/).

Keywords

Dark matter
Axion
Strong CP problem
Helioscopes
IAXO
ALP
Astroparticle physics

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Vogel, J. K., Armengaud, E., Avignone, F. T., Betz, M., Brax, P., Brun, P. G., Cantatore, G., Carmona, J. M., Carosi, G. P., Caspers, F., Caspi, S., Cetin, S. A., Chelouche, D., Christensen, F. E., & Jakobsen, A. C. (2015). The Next Generation of Axion Helioscopes: The International Axion Observatory (IAXO). Physics Procedia, 61, 193-200. https://doi.org/10.1016/j.phpro.2014.12.031

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abstract = "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 ∼ 0.25eV. 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 60cm diameter magnet bores is equipped with x-ray optics focusing the signal photons into ∼ 0.2cm2 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 12hours each day. This contribution is a summary of our papers [1–3] and we refer to these for further details.",

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AU - Vogel, J.K.

AU - Armengaud, E.

AU - Avignone, F.T.

AU - Betz, M.

AU - Brax, P.

AU - Brun, Philipp Georg

AU - Cantatore, G.

AU - Carmona, J.M.

AU - Carosi, G.P.

AU - Caspers, F.

AU - Caspi, S.

AU - Cetin, S.A.

AU - Chelouche, D.

AU - Christensen, Finn Erland

AU - Jakobsen, Anders Clemen

N1 - This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/3.0/).

PY - 2015

Y1 - 2015

N2 - 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 ∼ 0.25eV. 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 60cm diameter magnet bores is equipped with x-ray optics focusing the signal photons into ∼ 0.2cm2 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 12hours each day. This contribution is a summary of our papers [1–3] and we refer to these for further details.

AB - 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 ∼ 0.25eV. 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 60cm diameter magnet bores is equipped with x-ray optics focusing the signal photons into ∼ 0.2cm2 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 12hours each day. This contribution is a summary of our papers [1–3] and we refer to these for further details.

KW - Dark matter

KW - Axion

KW - Strong CP problem

KW - Helioscopes

KW - IAXO

KW - ALP

KW - Astroparticle physics

U2 - 10.1016/j.phpro.2014.12.031

DO - 10.1016/j.phpro.2014.12.031

M3 - Journal article

SN - 1875-3892

VL - 61

SP - 193

EP - 200

JO - Physics Procedia

JF - Physics Procedia

ER -

The Next Generation of Axion Helioscopes: The International Axion Observatory (IAXO)

Abstract

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