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New CAST Limit on the Axion-Photon Interaction
During 2003--2015, the CERN Axion Solar Telescope (CAST) has searched for $a\to\gamma$ conversion in the 9 T magnetic field of a refurbished LHC test magnet that can be directed toward the Sun. InExpand
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An improved limit on the axion–photon coupling from the CAST experiment
We have searched for solar axions or similar particles that couple to two photons by using the CERN Axion Solar Telescope (CAST) set-up with improved conditions in all detectors. From the absence ofExpand
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Physics potential of the International Axion Observatory (IAXO)
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 aExpand
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Conceptual design of the International Axion Observatory (IAXO)
The International Axion Observatory (IAXO) will be a forth generation axion helioscope. As its primary physics goal, IAXO will look for axions or axion-like particles (ALPs) originating in the SunExpand
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We present the X-ray timing and spectral evolution of the Galactic Center magnetar SGR J1745−2900 for the first ~4 months post-discovery using data obtained with the Nuclear Spectroscopic TelescopeExpand
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Working Group Report: New Light Weakly Coupled Particles
Dark sectors, consisting of new, light, weakly-coupled particles that do not interact with the known strong, weak, or electromagnetic forces, are a particularly compelling possibility for newExpand
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NuSTAR Observations of the Magnetar 1E 2259+586
We report on new broad band spectral and temporal observations of the magnetar 1E 2259+586, which is located in the supernova remnant CTB 109. Our data were obtained simultaneously with the NuclearExpand
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CAST constraints on the axion-electron coupling
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 ``BCAExpand
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Probing eV-scale axions with CAST
We have searched for solar axions or other pseudoscalar particles that couple to two photons by using the CERN Axion Solar Telescope (CAST) setup. Whereas we previously have reported results fromExpand
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Probing the axion-photon coupling: phenomenological and experimental perspectives. A snowmass white paper
We present a brief overview of the ongoing searches for the axion particle via its coupling to photons. Both the classical QCD axions and more recently proposed Axion-Like-Particles are considered.Expand
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