CERN Accelerating science

Article
Title	The IAXO Helioscope
Author(s)	Ferrer Ribas, E. (IRFU, Saclay) ; Armengaud, E. (IRFU, Saclay) ; Avignone, F.T. (South Carolina U.) ; Betz, M. (CERN) ; Brax, P. (IPhT, Saclay) ; Brun, P. (IRFU, Saclay) ; Cantatore, G. (INFN, Trieste ; Trieste U.) ; Carmona, J.M. (Zaragoza U.) ; Carosi, G.P. (LLNL, Livermore) ; Caspers, F. (CERN) ; Caspi, S. (LBNL, Berkeley) ; Cetin, S.A. (Dogus U., Kadikoy) ; Chelouche, D. (Haifa U.) ; Christensen, F.E. (Denmark, Tech. U.) ; Dael, A. (IRFU, Saclay) ; Dafni, T. (Zaragoza U.) ; Davenport, M. (CERN) ; Derbin, A.V. (St. Petersburg, INP) ; Desch, K. (Bonn U.) ; Diago, A. (Zaragoza U.) ; Döbrich, B. (DESY) ; Dratchnev, I. (St. Petersburg, INP) ; Dudarev, A. (CERN) ; Eleftheriadis, C. (Aristotle U., Thessaloniki) ; Fanourakis, G. (Democritos Nucl. Res. Ctr.) ; Galán, J. (Zaragoza U.) ; García, J.A. (Zaragoza U.) ; Garza, J.G. (Zaragoza U.) ; Geralis, T. (Democritos Nucl. Res. Ctr.) ; Gimeno, B. (Valencia U.) ; Giomataris, I. (IRFU, Saclay) ; Gninenko, S. (Moscow, INR) ; Gómez, H. (Zaragoza U.) ; González-Diaz, D. (Zaragoza U.) ; Guendelman, E. (Ben Gurion U. of Negev) ; Hailey, C.J. (Columbia U.) ; Hiramatsu, T. (Kyoto U., Yukawa Inst., Kyoto) ; Hoffmann, D.H.H. (Darmstadt, Tech. U.) ; Horns, D. (Hamburg U., Inst. Exp. Phys. II) ; Iguaz, F.J. (Zaragoza U.) ; Irastorza, I.G. (Zaragoza U.) ; Isern, J. (ICE, Bellaterra) ; Imai, K. (JAEA, Ibaraki) ; Jaeckel, J. (Heidelberg U.) ; Jakobsen, A.C. (Denmark, Tech. U.) ; Jakovčić, K. (Boskovic Inst., Zagreb) ; Kaminski, J. (Bonn U.) ; Kawasaki, M. (Tokyo U., ICRR) ; Karuza, M. (Rijeka U.) ; Krčmar, M. (Boskovic Inst., Zagreb) ; Kousouris, K. (CERN) ; Krieger, C. (Bonn U.) ; Lakić, B. (Boskovic Inst., Zagreb) ; Limousin, O. (IRFU, Saclay) ; Lindner, A. (DESY) ; Liolios, A. (Aristotle U., Thessaloniki) ; Luzón, G. (Zaragoza U.) ; Matsuki, S. (Kyoto U.) ; Muratova, V.N. (St. Petersburg, INP) ; Nones, C. (IRFU, Saclay) ; Ortega, I. (Zaragoza U.) ; Papaevangelou, T. (IRFU, Saclay) ; Pivovaroff, M.J. (LLNL, Livermore) ; Raffelt, G. (Munich, Max Planck Inst.) ; Redondo, J. (Zaragoza U.) ; Ringwald, A. (DESY) ; Russenschuck, S. (CERN) ; Ruz, J. (LLNL, Livermore) ; Saikawa, K. (Kyoto U.) ; Savvidis, I. (Aristotle U., Thessaloniki) ; Sekiguchi, T. (Tokyo U., ICRR) ; Semertzidis, Y.K. (KAIST, Taejon) ; Shilon, I. (Zaragoza U. ; CERN) ; Sikivie, P. (Florida U.) ; Silva, H. (CERN) ; ten Kate, H.H.J. (CERN) ; Tomas, A. (Zaragoza U.) ; Troitsky, S. (Moscow, INR) ; Vafeiadis, T. (CERN) ; van Bibber, K. (UC, Berkeley) ; Vedrine, P. (IRFU, Saclay) ; Villar, J.A. (Zaragoza U.) ; Vogel, J.K. (LLNL, Livermore) ; Walckiers, L. (CERN) ; Weltman, A. (Cape Town U.) ; Wester, W. (Fermilab) ; Yildiz, S.C. (Dogus U., Kadikoy) ; Zioutas, K. (CERN ; Patras U.)
Publication	2015
Number of pages	8
In:	J. Phys.: Conf. Ser. 650 (2015) 012009
In:	7th Symposium on large TPCs for low-energy rare event detection, Paris, France, 15 - 17 Dec 2014, pp.012009
DOI	10.1088/1742-6596/650/1/012009
Subject category	Detectors and Experimental Techniques
Abstract	The IAXO (International Axion Experiment) is a fourth generation helioscope with a sensitivity, in terms of detectable signal counts, at least 10(4) better than CAST phase-I, resulting in sensitivity on g(a)(γ) one order of magnitude better. To achieve this performance IAXO will count on a 8-coil toroidal magnet with 60 cm diameter bores and equipped with X-ray focusing optics into 0.20 cm(2) spots coupled to ultra-low background Micromegas X-ray detectors. The magnet will be on a platform that will allow solar tracking for 12 hours per day. The next short term objectives are to prepare a Technical Design Report and to construct the first prototypes of the hardware main ingredients: demonstration coil, X-ray optics and low background detector while refining the physics case and studying the feasibility studies for Dark Matter axions.
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