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Bounds on heavy axions with an X-ray free electron laser

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arxiv 2404.17333 v4 pith:QOSQKTQ6 submitted 2024-04-26 hep-ph hep-exphysics.atom-phphysics.ins-det

classification hep-phhep-exphysics.atom-phphysics.ins-det
keywords axionsboundselectroneuxfelfreelaserphotonsx-ray
verification ladder T0 review T1 audit T2 compute T3 formal
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We present new exclusion bounds obtained at the European X-ray Free Electron Laser facility (EuXFEL) on axion-like particles (ALPs) in the mass range 10^{-3} eV < m_a < 10^4 eV. Our experiment exploits the Primakoff effect via which photons can, in the presence of a strong external electric field, decay into axions, which then convert back into photons after passing through an opaque wall. While similar searches have been performed previously at a 3^rd generation synchrotron, our work demonstrates improved sensitivity, exploiting the higher brightness of X-rays at EuXFEL.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Axion-like Particle Search with a Light-Shining-Through-Walls Setup at a $\gamma$-$\gamma$ Collider

    hep-ph 2025-12 conditional novelty 6.0 of 10

    A light-shining-through-walls search using a gamma-gamma collider's inverse-Compton photon beam could reach g_aγγ ≈ 3.8e-5 GeV^-1 for m_a < 0.1 eV.

  2. Deep Reinforcement Learning Based Routing for Heterogeneous Multi-Hop Wireless Networks

    eess.SP 2025-08 unverdicted novelty 5.0 of 10

    A DQN routing scheme with channel-based neighbor selection is claimed to match optimal end-to-end rates, but the full text is about dark photon searches, not wireless routing.

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