2019/09/17 by Skoromnik, O. D., Feranchuk, I. D., Evers, J. +1
#Accelerator Physics (physics.acc-ph) #FOS: Physical sciences #Optics (physics.optics)
paper · doi:10.48550/arxiv.1909.08046
Numerous applications of Mössbauer spectroscopy are related to a unique resolution of absorption spectra of resonant radiation in crystals, when the nucleus absorbs a photon without a recoil. However, the narrow nuclear linewidth renders efficient driving of the nuclei challenging, restricting precision spectroscopy, nuclear inelastic scattering and nuclear quantum optics. Moreover, the need for dedicated X-ray optics restricts access to only few isotopes, impeding precision spectroscopy of a wider class of systems. Here, we put forward a novel Mössbauer source, which offers a high resonant photon flux for a large variety of Mössbauer isotopes, based on relativistic electrons moving through a crystal and emitting parametric Mössbauer radiation essentially unattenuated by electronic absorption. As a result, a collimated beam of resonant photons is formed, without the need for additional monochromatization. We envision the extension of high-precision Mössbauer spectroscopy to a wide range of isotopes at accelerator facilities using dumped electron beams.