LUXE is a proposed experiment to collide XFEL electrons or bremsstrahlung photons with a 30-300 TW laser, reaching laser intensity parameter ξ up to 16 and quantum parameter χ up to 3.3.
Virtual axion-like particle complement to Euler-Heisenberg-Schwinger action
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abstract
We modify action in an external electromagnetic field to include effects of virtual axion-like particle (ALP) excitations. A measurable addition to QED-Euler-Heisenberg-Schwinger (EHS) action is obtained and incorporated into experimental constraints placed on ALP mass and coupling to two photons. The regime of these constraints in which the ALP vacuum effect surpasses the EHS effect is characterized. We show that probing of the virtual vacuum effect offers an alternative method in search for physics related to ALPs.
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physics.ins-det 1years
2019 1verdicts
UNVERDICTED 1representative citing papers
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Letter of Intent for the LUXE Experiment
LUXE is a proposed experiment to collide XFEL electrons or bremsstrahlung photons with a 30-300 TW laser, reaching laser intensity parameter ξ up to 16 and quantum parameter χ up to 3.3.