AI Article Synopsis
- Researchers studied atomic-field bremsstrahlung using a longitudinally polarized electron beam, focusing on the correlation between electron spin orientation and photon polarization angle.
- This phenomenon suggests a previously unobserved ability to produce polarized electrons from unpolarized atoms when using linearly polarized photons.
- The findings align with relativistic calculations for radiative recombination and propose a novel technique for measuring electron beam polarization.
Article Abstract
Atomic-field bremsstrahlung has been studied with a longitudinally polarized electron beam. The correlation between the initial orientation of the electron spin and the angle of photon polarization has been measured at the photon high energy tip region. In the time reversal this corresponds to a so-far unobserved phenomenon of production of longitudinally polarized electrons by photoionization of unpolarized atoms with linearly polarized photons. The results confirm the fully relativistic calculations for radiative recombination and suggest a new method for electron beam polarimetry.
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| http://dx.doi.org/10.1103/PhysRevLett.107.173201 | DOI Listing |
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