A spin-resolved axion emission rate in intense laser fields is derived under the local constant field approximation, showing that axion emission has a different spin dependence from photon emission.
Electron-seeded ALP production and ALP decay in an oscillating electromagnetic field
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abstract
Certain models involving ALPs (axion-like-particles) allow for the coupling of scalars and pseudoscalars to fermions. A derivation of the total rate for production of massive scalars and pseudoscalars by an electron in a monochromatic, circularly-polarised electromagnetic background is presented. In addition, a derivation and the total rate for the decay of massive scalars and pseudoscalars into electron-positron pairs in the same electromagnetic background is given. We conclude by approximating the total yield of ALP production for a typical laser-particle experimental scenario.
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Semiclassical analysis of axion-like particle emission via nonlinear Compton-like scattering in intense laser fields
A spin-resolved axion emission rate in intense laser fields is derived under the local constant field approximation, showing that axion emission has a different spin dependence from photon emission.