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Towards a new generation axion helioscope

Irastorza, I. G., Avignone, F.T, Caspi, S, Carmona, J. M., Dafni, T., Davenport, M., Dudarev, A., Fanourakis, G., Ferrer-Ribas, E., Galán, J., García, J.A [CARDIFF], Geralis, T., Giomataris, I., Gomez, Haley Louise ORCID: https://orcid.org/0000-0003-3398-0052, Hoffmann, D. H. H., Iguaz, F. J., Jakovcic, K., Krcmar, M., Lakic, B., Luzón, G., Pivovaroff, M., Papaevangelou, T., Raffelt, G., Redondo, J., Rodríguez, A., Russenschuck, S, Ruz, J, Shilon, I, Kate, H. Ten, Tomás, A., Troitsky, S., Bibber, K. van, Villar, J. A, Vogel, J, Walckiers, L. and Zioutas, K. 2011. Towards a new generation axion helioscope. Journal of Cosmology and Astroparticle Physics 2011 (06) , 13. 10.1088/1475-7516/2011/06/013

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Abstract

We study the feasibility of a new generation axion helioscope, the most ambitious and promising detector of solar axions to date. We show that large improvements in magnetic field volume, x-ray focusing optics and detector backgrounds are possible beyond those achieved in the CERN Axion Solar Telescope (CAST). For hadronic models, a sensitivity to the axion-photon coupling of gaγ few × 10−12 GeV−1 is conceivable, 1–1.5 orders of magnitude beyond the CAST sensitivity. If axions also couple to electrons, the Sun produces a larger flux for the same value of the Peccei-Quinn scale, allowing one to probe a broader class of models. Except for the axion dark matter searches, this experiment will be the most sensitive axion search ever, reaching or surpassing the stringent bounds from SN1987A and possibly testing the axion interpretation of anomalous white-dwarf cooling that predicts ma of a few meV. Beyond axions, this new instrument will probe entirely unexplored ranges of parameters for a large variety of axion-like particles (ALPs) and other novel excitations at the low-energy frontier of elementary particle physics.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QB Astronomy
Uncontrolled Keywords: dark matter experiments; axions
Publisher: IOP Publishing
ISSN: 1475-7516
Last Modified: 19 Oct 2022 09:41
URI: https://orca.cardiff.ac.uk/id/eprint/21849

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