Sentences with phrase «time free electron»

«It's just like surfing, like catching a wave,» says Henry Freund, a long - time free electron laser scientist and vice president at Science Applications International Corporation.

Not exact matches

For the first time, they managed to control the shape of the laser pulse to keep an electron both free and bound to its nucleus, and were at the same time able to regulate the electronic structure of this atom dressed by the laser.

A collaboration between researchers from KEK, the Institute for Basic Science (IBS), the Korea Advanced Institute of Science and Technology (KAIST), RIKEN, and the Japan Synchrotron Radiation Research Institute (JASRI) used the SACLA X-ray free electron laser (XFEL) facility for a real time visualization of the birth of a molecule that occurs via photo - induced formation of a chemical bonds.

In the study published in Nature Physics, they were able to carefully follow, one x-ray at a time, the decay of nuclei in a perfect crystal after excitation with a flash of x-rays from the world's strongest pulsed source, the SACLA x-ray free electron laser in Harima, Japan.

«This is the first time an experiment has directly linked the disappearance of the density waves and their associated nanoscale crystal distortions with the emergence of universally free - flowing electrons needed for unrestricted superconductivity,» said lead author J.C. Séamus Davis, a senior physicist and Director of DOE's Center for Emergent Superconductivity at Brookhaven Lab and also a professor at both Cornell University and the St. Andrews University in Scotland.

«Right now we are working on improving the time resolution with various experiments with XUV light, for instance for free electron lasers.

Teeth and nails are good for measuring radiation because they pick up free radicals (atoms, or ions, with unpaired electrons) created by ionizing radiation and can retain them for long periods of time, says Harold Swartz, a Dartmouth Medical School professor of radiation oncology and director of the Dartmouth Biodosimetry Center for Medical Countermeasures against Radiation.

«Using this information, we can measure the time it takes the electron to change its quantum state from the very constricted, bound state around the atom to the free state,» says Marcus Ossiander at the Max Planck Institute.

Pulse duration of 45 femtoseconds for monochromatized harmonics is 300 times shorter than the typical pulse duration of synchrotron radiation (15 picoseconds) and is comparable to the pulse length of a free - electron laser (FEL).

A recent study at the Department of Energy's SLAC National Accelerator Laboratory successfully used this technique at an X-ray free - electron laser for the first time with the element selenium as a marker.

Together with scientists from the University of Regensburg, physicist Martin Mittendorff and his colleagues from the HZDR managed to develop, build, and test a reliable detector to measure the time in the terahertz range at free - electron lasers.

A team working at the SACLA X-ray Free - Electron Laser in Japan has succeeded in generating ultra-bright, two - color X-ray laser pulses, for the first time in the hard X-ray region.

At the same time, free electrons lack the energy required to penetrate the surface to enter the liquid.

Examples include handling data from faster detectors, like the Pilatus, handling new technologies, such as the X-ray free electron laser (XFEL), and handling new types of experiments, such as putting multiple crystals in the beamline at the same time, or running experiments using two different wavelengths at the same time.

The ESR will participate in both time - resolved WAXS and diffraction studies at synchrotron radiation sources and X-ray free electron laser, be educated in the tools of X-ray scattering and X-ray diffraction analysis, and develop code for the interpretation of structural changes using both methods.

And new X-ray free - electron lasers, such as the Linac Coherent Light Source at the SLAC National Accelerator Laboratory can produce beams a billion times brighter than traditional synchrotron sources with femtosecond - timescale pulses — promising unprecedented exploration of chemical dynamics.

May 17 to 19, the campus will host «Big Mag @ UCSB,» a workshop intended to identify the transformational science that would be enabled by coupling a 32 Tesla superconducting magnet — about 1 million times stronger than the Earth's magnetic field — to UCSB's terahertz free - electron laser (FEL), the only facility of its kind in the U.S..

These opportunities include using ultrafast X-ray sources to extract time - dependent structural information from proteins; and revolutionary possibilities created by X-ray Free Electron Laser radiation for an entirely new regime of pre-damage serial femtosecond crystallography.

These opportunities include the use of short - pulsed X-ray sources for extracting time - dependent structural information from proteins; and the revolutionary new possibilities created by X-ray Free Electron Lasers, which combine ultrafast X-ray pulses with high brilliance focussing capabilities to create an entirely new regime of pre-damage time - resolved serial femtosecond crystallography on unprecedented time - scales.

Marco Cammarata (ESR main supervisor) has developed time - resolved solution scattering to follow protein structural change in solution and has worked at the world first Hard X-ray beamline (XPP) at a Free Electron Laser (LCLS).

The advent of hard X-ray Free - Electron - lasers (XFEL), such as the European XFEL in the Hamburg area, Germany, the Linac Coherent Light Source (LCLS), CA, USA or the SPring - 8 Angstrom Compact free electron LAser (SACLA), Japan, enables a broad range of novel experiments including single - shot diffraction imaging of biological structures and time - resolved imaging of the dynamics of maFree - Electron - lasers (XFEL), such as the European XFEL in the Hamburg area, Germany, the Linac Coherent Light Source (LCLS), CA, USA or the SPring - 8 Angstrom Compact free electron LAser (SACLA), Japan, enables a broad range of novel experiments including single - shot diffraction imaging of biological structures and time - resolved imaging of the dynamics oElectron - lasers (XFEL), such as the European XFEL in the Hamburg area, Germany, the Linac Coherent Light Source (LCLS), CA, USA or the SPring - 8 Angstrom Compact free electron LAser (SACLA), Japan, enables a broad range of novel experiments including single - shot diffraction imaging of biological structures and time - resolved imaging of the dynamics of mafree electron LAser (SACLA), Japan, enables a broad range of novel experiments including single - shot diffraction imaging of biological structures and time - resolved imaging of the dynamics oelectron LAser (SACLA), Japan, enables a broad range of novel experiments including single - shot diffraction imaging of biological structures and time - resolved imaging of the dynamics of matter