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An update on the Axion Helioscopes front: current activities at CAST and the IAXO project
/ Dafni, T (Zaragoza U.) ; Arik, M (Dogus U., Kadikoy) ; Armengaud, E (IRFU, SPhN, Saclay) ; Aune, S (IRFU, Saclay) ; Avignone, F T (South Carolina U.) ; Barth, K (CERN) ; Belov, A (Moscow, INR) ; Betz, M (CERN) ; Bräuninger, H (Garching, Max Planck Inst., MPE) ; Brax, P (CERN) et al.
Although they have not yet been detected, axions and axion-like particles (ALPs) continue to maintain the interest (even increasingly so) of the rare-event searches community as viable candidates for the Dark Matter of the Universe but also as a solution for several other puzzles of astrophysics. Their property of coupling to photons has inspired different experimental methods for their detection, one of which is the helioscope technique. [...]
2016 - 6 p.
- Published in : Nucl. Part. Phys. Proc. 273-275 (2016) 244-249
In : 37th International Conference on High Energy Physics, Valencia, Spain, 2 - 9 Jul 2014, pp.244-249
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Future axion searches with the International Axion Observatory (IAXO)
/ Irastorza, I G (Zaragoza U.) ; Avignone, F T (South Carolina U.) ; Cantatore, G (INFN, Trieste ; Trieste U.) ; Carmona, J M (Zaragoza U.) ; Caspi, S (CERN) ; Cetin, S A (Dogus U., Kadikoy) ; Christensen, F E (Denmark, Tech. U.) ; Dael, A (IRFU, Saclay) ; Dafni, T (Zaragoza U.) ; Davenport, M (CERN) et al.
The International Axion Observatory (IAXO) is a new generation axion helioscope aiming at a sensitivity to the axion-photon coupling of gaγ few × 10−12 GeV−1, i.e. 1–1.5 orders of magnitude beyond the one achieved by CAST, currently the most sensitive axion helioscope. [...]
2013
- Published in : J. Phys.: Conf. Ser. 460 (2013) 012002
In : 6th Symposium on large TPCs for low-energy rare event detection, Paris, France, 17 - 19 Dec 2012, pp.012002
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The Next Generation of Axion Helioscopes: The International Axion Observatory (IAXO)
/ Vogel, J K (LLNL, Livermore) ; Armengaud, E (IRFU, Saclay) ; Avignone, F T (South Carolina U.) ; Betz, M (CERN) ; Brax, P (IRFU, Saclay) ; Brun, P (IRFU, Saclay) ; Cantatore, G (INFN, Trieste ; Trieste U.) ; Carmona, J M (Zaragoza U.) ; Carosi, G P (LLNL, Livermore) ; Caspers, F (CERN) et al.
The International Axion Observatory (IAXO) is a proposed 4 th -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 g aγ down to a few ×10 −12 GeV −1 for a wide range of axion masses up to ∼ 0 . [...]
2015 - 8 p.
- Published in : Phys. Procedia 61 (2015) 193-200
Elsevier Open Access article: PDF;
In : 13th International Conference on Topics in Astroparticle and Underground Physics, Asilomar, CA, USA, 8 - 13 Sep 2013, pp.193-200
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IAXO - The International Axion Observatory
/ Vogel, J.K. (LLNL, Livermore) ; Avignone, F.T. (U. South Carolina, Columbia) ; Cantatore, G. (INFN, Trieste) ; Carmona, J.M. (U. Zaragoza, LFNAE) ; Caspi, S. (LBL, Berkeley) ; Cetin, S.A. (Dogus U., Kadikoy) ; Christensen, F.E. (Denmark, Tech. U.) ; Dael, A. (IRFU, Saclay) ; Dafni, T. (U. Zaragoza, LFNAE) ; Davenport, M. (CERN) et al.
The International Axion Observatory (IAXO) is a next generation axion helioscope aiming at a sensitivity to the axion-photon coupling of a few 10^{-12} GeV^{-1}, i.e. [...]
arXiv:1302.3273 ; FERMILAB-PUB-13-699-A.
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2013 - 6.
Fermilab Library Server (fulltext available) - Full text
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CAST constraints on the axion-electron coupling
/ Barth, K. (CERN) ; Belov, A. (Moscow, INR) ; Beltran, B. (Zaragoza U.) ; Bräuninger, H. (Garching, Max Planck Inst., MPE) ; Carmona, J.M. (Zaragoza U.) ; Collar, J.I. (Chicago U., EFI ; Chicago U., KICP) ; Dafni, T. (Zaragoza U. ; IRFU, Saclay ; Darmstadt, Tech. U.) ; Davenport, M. (CERN) ; Di Lella, L. (CERN) ; Eleftheriadis, C. (Thessaloniki U.) et al.
In non-hadronic axion models, which have a tree-level axion-electron interaction, the Sun produces a strong axion flux by bremsstrahlung, Compton scattering, and axio-recombination, the "BCA processes." Based on a new calculation of this flux, including for the first time axio-recombination, we derive limits on the axion-electron Yukawa coupling g_ae and axion-photon interaction strength g_ag using the CAST phase-I data (vacuum phase). For m_a < 10 meV/c2 we find g_ag x g_ae< 8.1 x 10^-23 GeV^-1 at 95% CL. [...]
arXiv:1302.6283.-
2013 - 16 p.
- Published in : JCAP 05 (2013) 010
Fulltext: PDF; External link: Preprint
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The IAXO Helioscope
/ 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) et al.
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. [...]
2015 - 8 p.
- Published in : J. Phys.: Conf. Ser. 650 (2015) 012009
IOP Open Access article: PDF;
In : 7th Symposium on large TPCs for low-energy rare event detection, Paris, France, 15 - 17 Dec 2014, pp.012009
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Solar axion search with the CAST experiment
/ Borghi, S (CERN ; Glasgow U.) ; Arik, E (Dogus U., Kadikoy ; Bogazici U.) ; Aune, S (IRFU, Saclay) ; Autiero, D (CERN ; Lyon, IPN) ; Barth, K (CERN) ; Belov, A (Moscow, INR) ; Beltrán, B (Zaragoza U.) ; Bourlis, G (Hellenic Open U., Patras) ; Boydag, F S (Dogus U., Kadikoy ; Bogazici U.) ; Bräuninger, H (Garching, Max Planck Inst., MPE) et al.
/CAST
The CAST (CERN Axion Solar Telescope) experiment is searching for solar axions by their conversion into photons inside the magnet pipe of a LHC prototype dipole. In the phase II, CAST is operating with a buffer gas inside the magnet bore apertures in order to extent the sensitivity of the experiment to larger axion masses. [...]
Paris, France : Moriond, 2008 - 8 p.
- Published in : , pp. 465-472
Fulltext: PDF;
In : 43rd Rencontres de Moriond, La Thuile, Italy, 01 - 08 Mar 2008, pp.465-472
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