Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Fluerasu, A."'
Autor:
Himanshu Goel, Oleg Chubar, Lutz Wiegart, Andrei Fluerasu, Ruizi Li, An He, Maksim Rakitin, Paul Moeller, Robert Nagler
Publikováno v:
Journal of Physics: Conference Series. 2380:012126
Physical optics simulations for beamlines and experiments are essential for the effective use of synchrotron light source facilities such as NSLS-II at BNL. The SRW software package supports such source-to-detector simulations for coherent X-ray scat
Autor:
Eddy, Jr., Charles Robert, Nepal, Neeraj, Woodward, Jeffrey, Myint, Peco, Wang, Chenyu, Zhang, Xiaozhi, Wiegart, Lutz, Fluerasu, Andrei, Headrick, Randall, Ludwig, Karl
Publikováno v:
ECS Meeting Abstracts; 2023, Vol. MA2023-02 Issue 1, p1570-1570, 1p
Autor:
Andrei Fluerasu, Anders Madsen, Christine M. Fernyhough, A. Papagiannopoulos, Thomas A. Waigh
Publikováno v:
Journal of Physics: Condensed Matter. 17:L279-L285
We demonstrate the technique of XPCS microrheology on opaque polymeric solutions (1-20% w/w) using colloidal silica probes. The short time decay of the intensity correlation function provides the mean square displacement (MSD) of the colloidal probes
Autor:
D. Fluerasu, Reinhard Dörner, C. Ciortea, I.C. Legrand, V. Zoran, A. Berinde, Horst Schmidt-Böcking
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 25:189-197
The deviations of the experimental L-subshell ionization probabilities relative to the semiclassical approximation are discussed in terms of couplings between the target atomic states during the collision by means of a relativistic one-centre coupled
K-shell ionization and radiative electron capture in 0.75–2.5 MeV u−132S,35Cl + Cu atomic collisions
Autor:
M.M. Gugiu, I. Piticu, A C Scafeş, A. Enulescu, D. Fluerasu, M Penţia, D.E. Dumitriu, C. Ciortea
Publikováno v:
Physica Scripta. :014034
From the measured target thickness dependence of the K x-ray and radiative electron capture (REC) yields in the 0.75–2.5 MeV u−1 32S, 35Cl + Cu collisions, the cross sections for K x-ray production and REC, in dependence on collision energy, have
Experimental characterization of X-ray transverse coherence in the presence of beam transport optics
Autor:
W. K. Lee, Jana Baltser, Yong S. Chu, Andrei Fluerasu, Lutz Wiegart, Oleg Chubar, Lonny E. Berman
Publikováno v:
Journal of Physics: Conference Series. 425:052028
A simple Boron fiber based interference scheme [1] and other similar schemes are currently routinely used for X-ray coherence estimation at 3rd generation synchrotron radiation sources. If such a scheme is applied after a perfect monochromator and wi
Publikováno v:
Journal of Physics: Conference Series. 425:162001
An overview of the basic principles, the approach to fully- and partially-coherent synchrotron radiation wavefront propagation simulations, implemented in the "Synchrotron Radiation Workshop" (SRW) computer code, and simulation examples for different
Autor:
Anders Madsen, Jean-Baptiste Salmon, Andrei Fluerasu, Chiara Caronna, Fanny Destremaut, Pawel Kwasniewski
Publikováno v:
New Journal of Physics. 12:035023
X-ray Photon Correlation Spectroscopy (XPCS) has emerged as a unique technique allowing the measurement of dynamics in materials on mesoscopic lengthscales. In particular, applications in soft matter physics cover a broad range of topics which includ
Publikováno v:
Physica Scripta. :389
Experimental data of inner-shell ionization cross sections and outer-shell ionization probabilities per electron, obtained for the collision system. Cu + Bi in the energy range of 0.1–1.625 MeV/u, are in good agreement with the predictions of the s
Publikováno v:
Journal of Physics B: Atomic and Molecular Physics. 15:2027-2040
Within the Briggs perturbed united-atom (UA) model a simple cross section formula has been derived for ionisation of the 1s sigma molecular orbital (MO) to s continuum states from straight-line trajectories, in a form which exhibits the coherent cont