Results 1 to 10 of about 402 (87)
Using diffraction losses of X-rays in a single crystal for determination of its lattice parameters as well as for monochromator calibration [PDF]
Journal of Synchrotron Radiation, 2022 A way has been developed to measure the unit-cell parameters of a single crystal just from an energy scan with X-rays, even when the exact energy of the X-rays is not well defined due to an error in the pitch angle of the monochromator.
Nataliya Klimova +3 more
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Crystals, 2021 X-ray optics made of single-crystal materials are widely used at most of the X-ray sources due to the outstanding properties. The main drawback of such optics—the diffraction losses, also known as glitches of intensity in the energy spectrum of the ...
Nataliya Klimova +3 more
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Suppressing Diffraction-Related Intensity Losses in Transmissive Single-Crystal X-ray Optics
Crystals, 2021 The highest-quality X-ray optics can be made of single-crystal materials such as silicon, germanium, or, even better, diamond. Unfortunately, such X-ray optics have one drawback: diffraction losses or the “glitch effect”.
Nataliya Klimova +3 more
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Biodiesel Synthesis From Cucumis melo Var. agrestis Seed Oil: Toward Non-food Biomass Biorefineries
Frontiers in Energy Research, 2022 This study aims to examine the potential of non-edible seed oil (Cucumis melo var. agrestis), seed oil content 29.1%, FFA 0.64 (mg KOH/g) for biodiesel production via nano-catalyst. The catalyst was characterized using X-ray diffraction spectroscopy (XRD)
Maria Ameen +9 more
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The Astrophysical Journal, 2023 The braking index is of great importance for interpreting the spin-down mechanism of pulsar rotation. The sudden spin-down rate transition of PSR B0540−69, the lowest braking index n = 0.031, and its variations up to 1.2 in its later phases, without ...
Abdujappar Rusul, Xiao-Ping Zheng
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Evolution of Neutron Stars and Observational Constraints
EPJ Web of Conferences, 2010 The structure and evolution of neutron stars is discussed with a view towards constraining the properties of high density matter through observations.
Lattimer J.
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Diffraction Losses in a Stack of Diamond X-Ray Lenses
PhotonicsCompound refractive lenses, crafted from single-crystal materials like diamond and silicon, are increasingly favored, particularly in cutting-edge facilities, such as free electron lasers and fourth-generation synchrotrons.
Nataliya Klimova, Anatoly Snigirev
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IXPE View of the Crab Pulsar Following the 2025 July 17 and August 6 Glitches
The Astrophysical JournalThe Crab pulsar experienced two relatively small glitches separated by only 20 days in 2025 September and October. Imaging X-ray Polarimetry Explorer (IXPE) observed the source twice, with delay times since the glitch epoch ranging between 35 and 75 days,
Paolo Soffitta +21 more
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The Astrophysical JournalWe present our first result from an ongoing pulsar glitch monitoring campaign at the Canadian Hydrogen Intensity Mapping Experiment (CHIME), in which we analyzed the radio and X-ray emission surrounding four glitches in PSR J2229+6114.
Wenke Xia +13 more
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Rapid Spectral Evolution of SGR 1935+2154 during Its 2022 Outburst
The Astrophysical JournalDuring the 2022 outburst of SGR 1935+2154, a fast radio burst (FRB)-like event (FRB 20221014A) and X-ray activities occurred between two spin-up glitches, suggesting these glitches may connect to multiwavelength phenomenology.
Chin-Ping Hu +11 more
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