English
Related papers

Related papers: An in-vacuum diffractometer for resonant elastic s…

200 papers

We disentangle X-ray disk reflection from complex line-of-sight absorption in the nearby Seyfert NGC 4151, using a suite of Suzaku, NuSTAR, and XMM-Newton observations. Extending upon earlier published work, we pursue a physically motivated…

High Energy Astrophysical Phenomena · Physics 2017-07-12 T. Beuchert , A. G. Markowitz , T. Dauser , J. A. García , M. L. Keck , J. Wilms , M. Kadler , L. W. Brenneman , A. A. Zdziarski

Resonant inelastic X-ray scattering (RIXS) is a powerful photon-in, photon-out spectroscopy technique for probing electronic, magnetic, and lattice excitations in matter. Time-resolved RIXS extends this capability through a stroboscopic…

RF-ICE is a signal processing platform for the readout of large arrays of superconducting resonators. Designed for flexibility, the system's low digital latency and ability to independently and dynamically set the frequency and amplitude of…

Instrumentation and Methods for Astrophysics · Physics 2024-06-26 Maclean Rouble , Graeme Smecher , Michel Adamič , Adam Anderson , Peter S. Barry , Karia Dibert , Matt Dobbs , Kyra Fichman , Joshua Montgomery

New inelastic X-ray scattering experiments have been performed in liquid lithium at two different temperatures: T=475 K (slightly above the melting point) and 600 K. Taking advantage of the absence of any kinematical restriction and…

Disordered Systems and Neural Networks · Physics 2009-10-31 T. Scopigno , U. Balucani , G. Ruocco , F. Sette

We calculate the resonant x-ray scattering (RXS) spectra near the Ce $L_{\rm III}$ absorption edge in CeB$_6$, on the basis of a microscopic model that the $4f$ states of Ce are atomic while the $5d$ states form an energy band with a…

Strongly Correlated Electrons · Physics 2009-11-07 Jun-ichi Igarashi , Tatsuya Nagao

We report on the development of a high-resolution and highly efficient beamline for soft-X-ray resonant inelastic X-ray scattering (RIXS) located at Taiwan Photon Source. This beamline adopts an optical design that uses an active grating…

We report on the development of an induction based low temperature high frequency ac susceptometer capable of measuring at frequencies up to 3.5 MHz and at temperatures between 2 K and 300 K. Careful balancing of the detection coils and…

Instrumentation and Detectors · Physics 2019-09-04 E. Riordan , J. Blomgren , C. Jonasson , F. Ahrentorp , C. Johansson , D. Margineda , A. Elfassi , S. Michel , F. Dell'ova , G. M. Klemencic , S. R. Giblin

The EXO-200 Collaboration is searching for neutrinoless double beta decay using a liquid xenon (LXe) time projection chamber. This measurement relies on modeling the transport of charge deposits produced by interactions in the LXe to allow…

We propose a general scheme for the derivation of the signals resonant inelastic (and elastic) x-ray scattering (RIXS) gives access to. In particular, we find that RIXS should allow to directly detect many hidden orders, such as spin…

Strongly Correlated Electrons · Physics 2015-06-17 Lucile Savary , T. Senthil

The Soft X-ray Imager (SXI) is an imaging spectrometer using charge-coupled devices (CCDs) aboard the Hitomi X-ray observatory. The SXI sensor has four CCDs with an imaging area size of $31~{\rm mm} \times 31~{\rm mm}$ arranged in a $2…

Resonant soft x-ray scattering (RSXS) is a leading probe of valence band order in materials best known for detecting charge density wave order in the copper-oxide superconductors. One of the biggest limitations on the RSXS technique is the…

Nonresonant inelastic light and X-ray scattering is investigated for the spinless Falicov-Kimball model on an infinite-dimensional hypercubic lattice with a charge-density-wave phase at half filling. The many-body density of states (DOS) is…

Strongly Correlated Electrons · Physics 2009-03-31 O. P. Matveev , A. M. Shvaika , J. K. Freericks

We study the resonant inelastic x-ray scattering (RIXS) at the $K$ edge of Ge. We measure RIXS spectra with systematically varying momenta in the final state. The spectra are a measure of exciting an electron-hole pair. We find a single…

Materials Science · Physics 2007-05-23 Yunori Nisikawa , Manabu Usuda , Jun-ichi Igarashi , Hironobu Shoji , Toshiaki Iwazumi

The low repetition rates and possible shot-to-shot variations in laser-plasma studies place a high value on single-shot diagnostics. For example, white-beam scattering methods based on broadband backlighter x-ray sources are used to…

Plasma Physics · Physics 2014-03-04 O. R. Hoidn , G. T. Seidler

We report a high-resolution resonant inelastic x-ray scattering study of La2CuO4. A number of spectral features are identified that were not clearly visible in earlier lower-resolution data. The momentum dependence of the spectral weight…

Strongly Correlated Electrons · Physics 2009-11-13 D. S. Ellis , J. P. Hill , S. Wakimoto , R. J. Birgeneau , D. Casa , T. Gog , Young-June Kim

Recent experiments show that indirect resonant inelastic X-ray scattering (RIXS) is a new probe of spin dynamics. Here I derive the cross-section for magnetic RIXS and determine the momentum dependent four-spin correlation function that it…

Strongly Correlated Electrons · Physics 2015-06-25 Jeroen van den Brink

A design study of a horizontal neutron reflectometer adapted to the general baseline of the long pulse European Spallation Source (ESS) is presented. The instrument layout comprises solutions for the neutron guide, high-resolution pulse…

Instrumentation and Detectors · Physics 2015-06-17 D. Nekrassov , M. Trapp , K. Lieutenant , J. -F. Moulin , M. Strobl , R. Steitz

We report on a recently developed laser-probing diagnostic which allows direct measurements of ray-deflection angles in one axis, whilst retaining imaging capabilities in the other axis. This allows us to measure the spectrum of angular…

2D and 4D transverse phase-space of a low-energy ion-beam is measured with two of the most common emittance scanners. The article covers the description of the installation, the setup, the settings, the experiment and the benchmark of the…

Accelerator Physics · Physics 2023-01-25 F Osswald , T Durand , M Heine , J Michaud , F Poirier , J C Thomas , E Traykov

We describe the concepts and technical realization of the high-resolution soft-X-ray beamline ADRESS operating in the energy range from 300 to 1600 eV and intended for Resonant Inelastic X-ray Scattering (RIXS) and Angle-Resolved…

Instrumentation and Detectors · Physics 2009-11-16 V. N. Strocov , T. Schmitt , U. Flechsig , T. Schmidt , A. Imhof , Q. Chen , J. Raabe , R. Betemps , D. Zimoch , J. Krempasky , A. Piazzalunga , X. Wang , M. Grioni , L. Patthey