Nuclear resonant scattering (NRS) is one of the activities with the longest history in SPring-8, which provides a variety of spectroscopic methods with energy resolutions in the µeV – neV range. Numerous experiments with NRS have been performed at a public beamline, BL09XU in SPring-8 for over 20 years. In this history, some techniques including nuclear inelastic scattering[1], synchrotron-radiation-based Mössbauer spectroscopy using time–window[2], and quasi-elastic gamma-ray scattering via multi-line time-domain interferometry[3] have been developed and these techniques have applied various fields as structural dynamics and atom-selective electronic properties. The main base of NRS has been moved from BL09XU to BL35XU in 2021. This provides more than double the flux at BL09XU for most Mössbauer nuclei due to the specialized insertion device installed at BL35XU. I will present the characteristics of the NRS beamline, experimental methods using NRS performed at BL35XU, and the related studies.
[1] M. Seto, et al., Phys. Rev. Lett. 74, 3828 (1995).
[2] M. Seto, et al., Phys. Rev. Lett. 102, 217602 (2009).
[3] M. Saito, et al., Sci. Rep. 7, 12558 (2017)