The High Intensity γ-ray Source (HIγS) is a joint project between the Triangle Universities
Nuclear Laboratory (TUNL) and the Duke Free Electron Laser Laboratory (DFELL). This …

We show that a free-electron laser oscillator generating x rays with wavelengths of about 1 Å
is feasible using ultralow emittance electron beams of a multi-GeV energy-recovery linac …

The two single-pass, externally seeded free-electron lasers (FELs) of the FERMI user facility
are designed around Apple-II-type undulators that can operate at arbitrary polarization in the …

This roadmap reviews the new, highly interdisciplinary research field studying the behavior
of condensed matter systems exposed to radiation. The Review highlights several recent …

To improve temporal coherence in electron beam based light sources, various techniques
employ frequency up conversion of external seed sources via electron beam density …

Polarization control is a key feature of light generated by short-wavelength free-electron
lasers. In this work, we report the first experimental characterization of the polarization …

The feasibility of gamma-ray light sources based on the channeling phenomenon of
ultrarelativistic electrons and positrons in oriented crystals that are periodically bent with …

Differential cross sections for Compton scattering from the proton have been measured at
scattering angles of 55°, 90°, and 125° in the laboratory frame using quasimonoenergetic …

Efficient simulations of quantum evolutions of spin-1/2 systems are relevant for ensemble
quantum computation as well as in typical NMR experiments. We propose an efficient …

An X-ray is the well-known probe to examine structure of materials, including our own
bodies. The X-ray beam, especially at the wavelength of nanometers, has also become …