The Next Generation of Axion Helioscopes: The International Axion Observatory (IAXO)
Author(s) -
Julia K. Vogel,
E. Armengaud,
F. T. Avig,
M. Betz,
P. Brax,
P. Brun,
G. Cantatore,
J. M. Carmona,
G. Carosi,
F. Caspers,
S. Caspi,
S. A. Çetin,
Doron Chelouche,
Finn E. Christensen,
A. Daël,
T. Dafní,
M. Davenport,
A. Derbin,
K. Desch,
A. Diago,
Babette Döbrich,
I. Dratchnev,
A. Dudarev,
C. Eleftheriadis,
G. Fanourakis,
E. Ferrer-Ribas,
J. Galán,
José Miguel Alonso Garcia,
J.G. Garza,
T. Geralis,
B. Gimeno,
I. Giomataris,
S. Gninenko,
H. Gómez,
D. González-Díaz,
Eduardo Guendelman,
C.J. Hailey,
Takashi Hiramatsu,
D. H. H. Hoffmann,
D. Horns,
F.J. Iguaz,
I.G. Irastorza,
J. Isern,
K. Imai,
Anders C. Jakobsen,
Joerg Jaeckel,
K. Jakovčić,
J. Kamiński,
Masahiro Kawasaki,
M. Karuza,
M. Krčmar,
K. Kousouris,
C. Krieger,
B. Lakić,
O. Limousin,
A. Lindner,
A. Liolios,
G. Luzón,
S. Matsuki,
V. Muratova,
C. s,
I. Ortega,
T. Papaevangelou,
M. J. Pivovaroff,
Georg G. Raffelt,
Javier Redondo,
A. Ringwald,
S. Russenschuck,
J. Ruz,
Ken’ichi Saikawa,
I. Savvidis,
T. Sekiguchi,
Yannis K. Semertzidis,
I. Shilon,
P. Sikivie,
H. Silva,
Herman H.J. ten Kate,
A. Tomás,
S. Troitsky,
T. Vafeiadis,
K. van Bibber,
P. Védrine,
J.A. Villar,
L. Walckiers,
Amanda Weltman,
W. C. Wester,
S.C. Yildiz,
K. Zioutas
Publication year - 2015
Publication title -
physics procedia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.26
H-Index - 61
ISSN - 1875-3892
DOI - 10.1016/j.phpro.2014.12.031
Subject(s) - axion , physics , photon , particle physics , telescope , large hadron collider , observatory , dark matter , astrophysics , optics
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.
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