CERN Accelerating science

Article
Report number arXiv:1904.09155
Title Physics potential of the International Axion Observatory (IAXO)
Author(s)

Armengaud, E. (IRFU, Saclay) ; Attié, D. (IRFU, Saclay) ; Basso, S. (Brera Observ.) ; Brun, P. (IRFU, Saclay) ; Bykovskiy, N. (CERN) ; Carmona, J.M. (Zaragoza U.) ; Castel, J.F. (Zaragoza U.) ; Cebrián, S. (Zaragoza U.) ; Cicoli, M. (U. Bologna, DIFA ; INFN, Bologna) ; Civitani, M. (Brera Observ.) ; Cogollos, C. (ICC, Barcelona U.) ; Conlon, J.P. (Oxford U., Ctr. Quantum Comp.) ; Costa, D. (ICC, Barcelona U.) ; Dafni, T. (Zaragoza U.) ; Daido, R. (Tohoku U.) ; Derbin, A.V. (St. Petersburg, INP) ; Descalle, M.A. (LLNL, Livermore) ; Desch, K. (Siegen U.) ; Dratchnev, I.S. (St. Petersburg, INP) ; Döbrich, B. (CERN) ; Dudarev, A. (CERN) ; Ferrer-Ribas, E. (IRFU, Saclay) ; Fleck, I. (Siegen U.) ; Galán, J. (Zaragoza U.) ; Galanti, G. (Brera Observ.) ; Garrido, L. (ICC, Barcelona U.) ; Gascon, D. (ICC, Barcelona U.) ; Gastaldo, L. (Kirchhoff Inst. Phys.) ; Germani, C. (ICC, Barcelona U.) ; Ghisellini, G. (Brera Observ.) ; Giannotti, M. (Barry U.) ; Giomataris, I. (IRFU, Saclay) ; Gninenko, S. (Moscow, INR) ; Golubev, N. (Moscow, INR) ; Graciani, R. (ICC, Barcelona U.) ; Irastorza, I.G. (Zaragoza U.) ; Jakovčić, K. (Boskovic Inst., Zagreb) ; Kaminski, J. (Siegen U.) ; Krčmar, M. (Boskovic Inst., Zagreb) ; Krieger, C. (Siegen U.) ; Lakić, B. (Boskovic Inst., Zagreb) ; Lasserre, T. (IRFU, Saclay) ; Laurent, P. (IRFU, Saclay) ; Limousin, O. (IRFU, Saclay) ; Lindner, A. (DESY) ; Lomskaya, I. (St. Petersburg, INP) ; Lubsandorzhiev, B. (Moscow, INR) ; Luzón, G. (Zaragoza U.) ; Marsh, M.C.D. (Stockholm U., OKC) ; Margalejo, C. (Zaragoza U.) ; Mescia, F. (ICC, Barcelona U.) ; Meyer, M. (SLAC ; Stanford U., HEPL) ; Miralda-Escudé, J. (ICC, Barcelona U. ; MIT, Cambridge, Dept. Phys.) ; Mirallas, H. (Zaragoza U.) ; Muratova, V.N. (St. Petersburg, INP) ; Navick, X.F. (IRFU, Saclay) ; Nones, C. (IRFU, Saclay) ; Notari, A. (ICC, Barcelona U.) ; Nozik, A. (Moscow, INR ; Munich, Max Planck Inst.) ; Ortiz de Solórzano, A. (Zaragoza U.) ; Pantuev, V. (Moscow, INR) ; Papaevangelou, T. (IRFU, Saclay) ; Pareschi, G. (Brera Observ.) ; Perez, K. (MIT, Cambridge, Dept. Phys.) ; Picatoste, E. (ICC, Barcelona U.) ; Pivovaroff, M.J. (LLNL, Livermore) ; Redondo, J. (Zaragoza U. ; Munich, Max Planck Inst.) ; Ringwald, A. (DESY) ; Roncadelli, M. (Cape Town U., Dept. Math.) ; Ruiz-Chóliz, E. (Zaragoza U.) ; Ruz, J. (LLNL, Livermore) ; Saikawa, K. (Munich, Max Planck Inst.) ; Salvadó, J. (ICC, Barcelona U.) ; Samperiz, M.P. (Zaragoza U.) ; Schiffer, T. (Siegen U.) ; Schmidt, S. (Siegen U.) ; Schneekloth, U. (DESY) ; Schott, M. (Mainz U., Inst. Phys.) ; Silva, H. (CERN) ; Tagliaferri, G. (Brera Observ.) ; Takahashi, F. (Tohoku U. ; Tokyo U., IPMU) ; Tavecchio, F. (Brera Observ.) ; ten Kate, H. (CERN) ; Tkachev, I. (Moscow, INR) ; Troitsky, S. (Moscow, INR) ; Unzhakov, E. (St. Petersburg, INP) ; Vedrine, P. (IRFU, Saclay) ; Vogel, J.K. (LLNL, Livermore) ; Weinsheimer, C. (Mainz U., Inst. Phys.) ; Weltman, A. (Cape Town U., Dept. Math.) ; Yin, W. (Beijing, Inst. High Energy Phys. ; KAIST, Taejon)

Publication 2019-06-24
Imprint 2019-04-19
Number of pages 82
Note Submitted to JCAP
Prepared for submission to JCAP; new version with very minor corrections after referee review
In: JCAP 1906 (2019) 047
DOI 10.1088/1475-7516/2019/06/047
Subject category hep-ex ; Particle Physics - Experiment ; hep-ph ; Particle Physics - Phenomenology
Accelerator/Facility, Experiment IAXO
Abstract We review the physics potential of a next generation search for solar axions: the International Axion Observatory (IAXO). Endowed with a sensitivity to discover axion-like particles (ALPs) with a coupling to photons as small as $g_{a\gamma}\sim 10^{-12}$ GeV$^{-1}$, or to electrons $g_{ae}\sim$10$^{-13}$, IAXO has the potential to find the QCD axion in the 1 meV$\sim$1 eV mass range where it solves the strong CP problem, can account for the cold dark matter of the Universe and be responsible for the anomalous cooling observed in a number of stellar systems. At the same time, IAXO will have enough sensitivity to detect lower mass axions invoked to explain: 1) the origin of the anomalous "transparency" of the Universe to gamma-rays, 2) the observed soft X-ray excess from galaxy clusters or 3) some inflationary models. In addition, we review string theory axions with parameters accessible by IAXO and discuss their potential role in cosmology as Dark Matter and Dark Radiation as well as their connections to the above mentioned conundrums.
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