Author/Authors :
Zioutas، نويسنده , , K. and Aalseth، نويسنده , , C.E. and Abriola، نويسنده , , D. and III، نويسنده , , F.T.Avignone and Brodzinski، نويسنده , , R.L. and Collar، نويسنده , , J.I. and Creswick، نويسنده , , R. and Gregorio، نويسنده , , D.E.Di and Farach، نويسنده , , H. and Gattone، نويسنده , , A.O. and Guérard، نويسنده , , C.K and Hasenbalg، نويسنده , , F. and Hasinoff، نويسنده , , M. G. Huck، نويسنده , , H. and Liolios، نويسنده ,
Abstract :
The 8.4 T, 10 m long transverse magnetic field of a twin aperture LHC bending magnet can be utilized as a macroscopic coherent solar axion-to-photon converter. Numerical calculations show that the integrated time of alignment with the Sun would be 33 days/yr with the magnet on a tracking table capable of ±5° in the vertical direction and ±40° in the horizontal direction. The existing lower bound on the axion-to-photon coupling constant can be improved by a factor between 30 and 100 in 3 yr, i.e., gaγγ≲9×10−11 GeV−1 for axion masses ≲ 1 eV. This value falls within the existing open axion mass window. The same set-up can simultaneously search for low- and high-energy celestial axions, or axion-like particles, scanning the sky as the Earth rotates and orbits the Sun.
Keywords :
Solar axions , LHC , Dark matter , Superconducting magnets
