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Статті в журналах з теми "Synchrotron Radiatio"

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Автор: Grafiati

Опубліковано: 1 квітня 2023

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1

Henderson, Richard, and Mejd Alsari. "Radiation Sources in Structural Biology." Scientific Video Protocols 1, no. 1 (June 6, 2020): 1–3. http://dx.doi.org/10.32386/scivpro.000023.

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What is radiation damage? Are electrons more suitable than X-rays in structural biology? Richard Henderson talks about synchrotron radiation and how cryo-EM laboratories are being established at synchrotrons as national research facilities.

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2

Peter, William, and Anthony L. Peratt. "Thermalization of synchrotron radiation from field-aligned currents." Laser and Particle Beams 6, no. 3 (August 1988): 493–501. http://dx.doi.org/10.1017/s0263034600005413.

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Three-dimensional plasma simulations of interacting galactic-dimensioned current filaments show bursts of synchroton radiation of energy density 1·2 ×10−13 erg/cm3 which can be compared with the measured cosmic microwave background energy density of 1·5 × 10−13 erg/cm3. However, the synchrotron emission observed in the simulations is not blackbody. In this paper, we analyze the absorption of the synchrotron emission by the current filaments themselves (i.e., self-absorption) in order to investigate the thermalization of the emitted radiation. It is found that a large number of current filaments (>1031) are needed to make the radiation spectrum blackbody up to the observed measured frequency of 100 GHz. The radiation spectrum and the required number of current filaments is a strong function of the axial magnetic field in the filaments.

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3

Fernandez-Palomo, Cristian, Zacharenia Nikitaki, Valentin Djonov, Alexandros G. Georgakilas, and Olga A. Martin. "Non-Targeted Effects of Synchrotron Radiation: Lessons from Experiments at the Australian and European Synchrotrons." Applied Sciences 12, no. 4 (February 17, 2022): 2079. http://dx.doi.org/10.3390/app12042079.

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Studies have been conducted at synchrotron facilities in Europe and Australia to explore a variety of applications of synchrotron X-rays in medicine and biology. We discuss the major technical aspects of the synchrotron irradiation setups, paying specific attention to the Australian Synchrotron (AS) and the European Synchrotron Radiation Facility (ESRF) as those best configured for a wide range of biomedical research involving animals and future cancer patients. Due to ultra-high dose rates, treatment doses can be delivered within milliseconds, abiding by FLASH radiotherapy principles. In addition, a homogeneous radiation field can be spatially fractionated into a geometric pattern called microbeam radiotherapy (MRT); a coplanar array of thin beams of microscopic dimensions. Both are clinically promising radiotherapy modalities because they trigger a cascade of biological effects that improve tumor control, while increasing normal tissue tolerance compared to conventional radiation. Synchrotrons can deliver high doses to a very small volume with low beam divergence, thus facilitating the study of non-targeted effects of these novel radiation modalities in both in-vitro and in-vivo models. Non-targeted radiation effects studied at the AS and ESRF include monitoring cell–cell communication after partial irradiation of a cell population (radiation-induced bystander effect, RIBE), the response of tissues outside the irradiated field (radiation-induced abscopal effect, RIAE), and the influence of irradiated animals on non-irradiated ones in close proximity (inter-animal RIBE). Here we provide a summary of these experiments and perspectives on their implications for non-targeted effects in biomedical fields.

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4

Pérez, Serge, and Daniele de Sanctis. "Glycoscience@Synchrotron: Synchrotron radiation applied to structural glycoscience." Beilstein Journal of Organic Chemistry 13 (June 14, 2017): 1145–67. http://dx.doi.org/10.3762/bjoc.13.114.

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Synchrotron radiation is the most versatile way to explore biological materials in different states: monocrystalline, polycrystalline, solution, colloids and multiscale architectures. Steady improvements in instrumentation have made synchrotrons the most flexible intense X-ray source. The wide range of applications of synchrotron radiation is commensurate with the structural diversity and complexity of the molecules and macromolecules that form the collection of substrates investigated by glycoscience. The present review illustrates how synchrotron-based experiments have contributed to our understanding in the field of structural glycobiology. Structural characterization of protein–carbohydrate interactions of the families of most glycan-interacting proteins (including glycosyl transferases and hydrolases, lectins, antibodies and GAG-binding proteins) are presented. Examples concerned with glycolipids and colloids are also covered as well as some dealing with the structures and multiscale architectures of polysaccharides. Insights into the kinetics of catalytic events observed in the crystalline state are also presented as well as some aspects of structure determination of protein in solution.

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5

Martin-Garcia, Jose M., Lan Zhu, Derek Mendez, Ming-Yue Lee, Eugene Chun, Chufeng Li, Hao Hu, et al. "High-viscosity injector-based pink-beam serial crystallography of microcrystals at a synchrotron radiation source." IUCrJ 6, no. 3 (April 5, 2019): 412–25. http://dx.doi.org/10.1107/s205225251900263x.

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Since the first successful serial crystallography (SX) experiment at a synchrotron radiation source, the popularity of this approach has continued to grow showing that third-generation synchrotrons can be viable alternatives to scarce X-ray free-electron laser sources. Synchrotron radiation flux may be increased ∼100 times by a moderate increase in the bandwidth (`pink beam' conditions) at some cost to data analysis complexity. Here, we report the first high-viscosity injector-based pink-beam SX experiments. The structures of proteinase K (PK) and A2A adenosine receptor (A2AAR) were determined to resolutions of 1.8 and 4.2 Å using 4 and 24 consecutive 100 ps X-ray pulse exposures, respectively. Strong PK data were processed using existing Laue approaches, while weaker A2AAR data required an alternative data-processing strategy. This demonstration of the feasibility presents new opportunities for time-resolved experiments with microcrystals to study structural changes in real time at pink-beam synchrotron beamlines worldwide.

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6

Eichhorn, Klaus D. "Single-crystal X-ray diffractometry using synchrotron radiation." European Journal of Mineralogy 9, no. 4 (July 23, 1997): 673–92. http://dx.doi.org/10.1127/ejm/9/4/0673.

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7

Ebrahim, Ali, Tadeo Moreno-Chicano, Martin V. Appleby, Amanda K. Chaplin, John H. Beale, Darren A. Sherrell, Helen M. E. Duyvesteyn, et al. "Dose-resolved serial synchrotron and XFEL structures of radiation-sensitive metalloproteins." IUCrJ 6, no. 4 (May 3, 2019): 543–51. http://dx.doi.org/10.1107/s2052252519003956.

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An approach is demonstrated to obtain, in a sample- and time-efficient manner, multiple dose-resolved crystal structures from room-temperature protein microcrystals using identical fixed-target supports at both synchrotrons and X-ray free-electron lasers (XFELs). This approach allows direct comparison of dose-resolved serial synchrotron and damage-free XFEL serial femtosecond crystallography structures of radiation-sensitive proteins. Specifically, serial synchrotron structures of a heme peroxidase enzyme reveal that X-ray induced changes occur at far lower doses than those at which diffraction quality is compromised (the Garman limit), consistent with previous studies on the reduction of heme proteins by low X-ray doses. In these structures, a functionally relevant bond length is shown to vary rapidly as a function of absorbed dose, with all room-temperature synchrotron structures exhibiting linear deformation of the active site compared with the XFEL structure. It is demonstrated that extrapolation of dose-dependent synchrotron structures to zero dose can closely approximate the damage-free XFEL structure. This approach is widely applicable to any protein where the crystal structure is altered by the synchrotron X-ray beam and provides a solution to the urgent requirement to determine intact structures of such proteins in a high-throughput and accessible manner.

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8

Bagrov, Vladislav, Anna Kasatkina, and Alexey Pecheritsyn. "Effective Angle of Synchrotron Radiation." Symmetry 12, no. 7 (July 2, 2020): 1095. http://dx.doi.org/10.3390/sym12071095.

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An exact analytical expression for the effective angle is determined for an arbitrary energy value of a radiating particle. An effective angle of instantaneous power is defined for synchrotron radiation in the framework of classical electrodynamics. This definition explicitly contains the most symmetric distribution of half the total of the instantaneous power of synchrotron radiation. Two exact analytical expressions for the effective angle are considered for the arbitrary energy values of a radiating particle, and the second expression brings to light the exact asymptotics of the effective angle in the ultrarelativistic limit.

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9

Morgan, Kaye Susannah, David Parsons, Patricia Cmielewski, Alexandra McCarron, Regine Gradl, Nigel Farrow, Karen Siu, et al. "Methods for dynamic synchrotron X-ray respiratory imaging in live animals." Journal of Synchrotron Radiation 27, no. 1 (January 1, 2020): 164–75. http://dx.doi.org/10.1107/s1600577519014863.

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Small-animal physiology studies are typically complicated, but the level of complexity is greatly increased when performing live-animal X-ray imaging studies at synchrotron and compact light sources. This group has extensive experience in these types of studies at the SPring-8 and Australian synchrotrons, as well as the Munich Compact Light Source. These experimental settings produce unique challenges. Experiments are always performed in an isolated radiation enclosure not specifically designed for live-animal imaging. This requires equipment adapted to physiological monitoring and test-substance delivery, as well as shuttering to reduce the radiation dose. Experiment designs must also take into account the fixed location, size and orientation of the X-ray beam. This article describes the techniques developed to overcome the challenges involved in respiratory X-ray imaging of live animals at synchrotrons, now enabling increasingly sophisticated imaging protocols.

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10

MIYAHARA, Tsuneaki. "Synchrotron Radiation. II. Synchrotron Radiation. 2. Optics for Synchrotron Radiation." RADIOISOTOPES 47, no. 1 (1998): 79–84. http://dx.doi.org/10.3769/radioisotopes.47.79.

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11

UJIHIRA, Yusuke. "Synchrotron Radiation. I. Synchrotron Radiation - Approach." RADIOISOTOPES 47, no. 1 (1998): 56–65. http://dx.doi.org/10.3769/radioisotopes.47.56.

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12

Luo Junyao, 骆钧尧, 郭智 Guo Zhi, 黄浩 Huang Hao, 欧欣 Ou Xin та 张祥志 Zhang Xiangzhi. "多层膜光栅衍射效率的同步辐射研究". Acta Optica Sinica 41, № 14 (2021): 1405001. http://dx.doi.org/10.3788/aos202141.1405001.

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13

Bohon, Jen, Rhijuta D'Mello, Corie Ralston, Sayan Gupta, and Mark R. Chance. "Synchrotron X-ray footprinting on tour." Journal of Synchrotron Radiation 21, no. 1 (November 2, 2013): 24–31. http://dx.doi.org/10.1107/s1600577513024715.

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Synchrotron footprinting is a valuable technique in structural biology for understanding macromolecular solution-state structure and dynamics of proteins and nucleic acids. Although an extremely powerful tool, there is currently only a single facility in the USA, the X28C beamline at the National Synchrotron Light Source (NSLS), dedicated to providing infrastructure, technology development and support for these studies. The high flux density of the focused white beam and variety of specialized exposure environments available at X28C enables footprinting of highly complex biological systems; however, it is likely that a significant fraction of interesting experiments could be performed at unspecialized facilities. In an effort to investigate the viability of a beamline-flexible footprinting program, a standard sample was taken on tour around the nation to be exposed at several US synchrotrons. This work describes how a relatively simple and transportable apparatus can allow beamlines at the NSLS, CHESS, APS and ALS to be used for synchrotron footprinting in a general user mode that can provide useful results.

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14

Di Mitri, Simone. "One way only to synchrotron light sources upgrade?" Journal of Synchrotron Radiation 25, no. 5 (August 14, 2018): 1323–34. http://dx.doi.org/10.1107/s160057751800810x.

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The last decade has seen a renaissance of machine-physics studies and technological advancements that aim to upgrade at least 15 synchrotron light sources worldwide to diffraction-limited storage rings. This is expected to improve the average spectral brightness and transversally coherent fraction of photons by several orders of magnitude in the soft- and hard-X-ray wavelength range, at the expense of pulse durations longer than ∼80 ps FWHM. This paper discusses the compatibility of schemes for the generation of sub-picosecond photon-pulse durations in synchrotron light sources with standard multi-bunch user operation and, in particular, diffraction-limited electron optics design. The question of this compatibility is answered taking into consideration the storage ring beam energy and the constraint of existing synchrotrons' infrastructure. An alternative scheme for the upgrade of medium-energy synchrotron light sources to diffraction-limited storage rings and the simultaneous production of picosecond-long photon pulses in a high-gain free-electron laser scheme are illustrated.

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15

Lees, J. G., and B. A. Wallace. "Synchrotron radiation circular dichroism and conventional circular dichroism spectroscopy: A comparison." Spectroscopy 16, no. 3-4 (2002): 121–25. http://dx.doi.org/10.1155/2002/280646.

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Conventional circular dichroism (cCD) spectroscopy is a valuable tool for secondary structure analyses of proteins. In recent years, it has been possible to use synchrotrons as light sources for CD, with the technique being known as Synchrotron Radiation Circular Dichroism (SRCD). In this study, the spectra of two proteins, the primarily helical myoglobin and the primarily beta‒sheet concanavalin A, have been collected on both a cCD instrument and on the SRCD at the Daresbury synchrotron and their characteristics were compared. Over the wavelength regions where both instruments are capable of making measurements (from about 300 to 175 nm) the spectra are very similar, except at the low wavelength extreme of the cCD spectra. In this region, the spectra deviate somewhat, due to the limitations of the light source intensity in the conventional instrument. The SRCD spectra extend to much lower wavelengths (160 nm). This additional low wavelength vacuum ultraviolet (VUV) data contains a large amount of extra information, including, for the first time, a number of peaks consistent with previously predicted charge transfer transitions.

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16

Klementiev, Konstantin, Hamed Tarawneh, and Pedro Fernandes Tavares. "Wiggler radiation at a low-emittance storage ring and its usage for X-ray absorption spectroscopy." Journal of Synchrotron Radiation 29, no. 2 (January 18, 2022): 462–69. http://dx.doi.org/10.1107/s1600577521012844.

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A wiggler is a high-power insertion device that was used in the past to produce a smooth wide-band X-ray spectrum. It is widely believed that on low-emittance synchrotrons this X-ray source loses its spatial and spectral homogeneity and therefore becomes less ideal than a scanning undulator. In this paper, we report on experimental and computational studies of an in-vacuum wiggler installed on the first fourth-generation synchrotron MAX IV. We investigate how several physical parameters affect the wiggler spectrum and propose a combination of a few of them that results in significant spectral smoothing. We also examine EXAFS spectra for possible distortions originating from the source imperfection. For this purpose, we scrutinize samples of various homogeneity. We conclude that wigglers are still an appropriate class of insertion devices, also on low-emittance synchrotrons.

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17

HIRANO, Tatsumi. "Synchrotron Radiation. III. Measurement by Synchrotron Radiation. 10. Computed Tomography Using Synchrotron Radiation." RADIOISOTOPES 47, no. 5 (1998): 446–51. http://dx.doi.org/10.3769/radioisotopes.47.446.

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18

TANAKA, Hitoshi. "Synchrotron Radiation. II. Synchrotron Radiation. 1. Accelerators Operated as a Synchrotron Radiation Source." RADIOISOTOPES 47, no. 1 (1998): 66–78. http://dx.doi.org/10.3769/radioisotopes.47.66.

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19

Yang Xia, 杨霞, 李俊琴 Li Junqin, 曹杰峰 Cao Jiefeng, 赵子龙 Zhao Zilong, 王勇 Wang Yong та 邰仁忠 Tai Renzhong. "基于同步辐射的时间分辨X射线铁磁共振方法". Acta Optica Sinica 41, № 15 (2021): 1534002. http://dx.doi.org/10.3788/aos202141.1534002.

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20

Deng Hongwen, 邓鸿文, 张仪 Zhang yi, 权澳冬 Quan Aodong, 王玉岱 Wang Yudai, 汤海波 Tang Haibo та 程序 Cheng Xu. "同步辐射及中子衍射技术在增材制造领域的应用". Chinese Journal of Lasers 49, № 19 (2022): 1902002. http://dx.doi.org/10.3788/cjl202249.1902002.

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21

Shobuda, Yoshihiro, Takeshi Toyama, Masahiro Yoshimoto, and Shuichiro Hatakeyama. "Measurements of radiation fields from a ceramic break." Journal of Physics: Conference Series 2420, no. 1 (January 1, 2023): 012056. http://dx.doi.org/10.1088/1742-6596/2420/1/012056.

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Abstract Ceramic breaks are used in synchrotrons for many purposes. For example, they are inserted between the Multi-Wire Profile Monitor (MWPM) on the injection line at the Rapid Cycling Synchrotron (RCS) in J-PARC to completely prevent the wall currents accompanying beams from affecting the MWPM. On the other hand, from the viewpoint of suppressing beam impedances and the radiation fields from the ceramic breaks, it would be preferable that the inner surface of the ceramic break is coated with Titanium Nitride (TiN), or covered over capacitors. In this report, we measure the radiation fields from the ceramic break with and without capacitors as well as the beam profile and investigate the effect of the ceramic breaks on the measurements.

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22

Bucciarelli, Saskia, Søren Roi Midtgaard, Martin Nors Pedersen, Søren Skou, Lise Arleth, and Bente Vestergaard. "Size-exclusion chromatography small-angle X-ray scattering of water soluble proteins on a laboratory instrument." Journal of Applied Crystallography 51, no. 6 (November 9, 2018): 1623–32. http://dx.doi.org/10.1107/s1600576718014462.

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Coupling of size-exclusion chromatography with biological solution small-angle X-ray scattering (SEC-SAXS) on dedicated synchrotron beamlines enables structural analysis of challenging samples such as labile proteins and low-affinity complexes. For this reason, the approach has gained increased popularity during the past decade. Transportation of perishable samples to synchrotrons might, however, compromise the experiments, and the limited availability of synchrotron beamtime renders iterative sample optimization tedious and lengthy. Here, the successful setup of laboratory-based SEC-SAXS is described in a proof-of-concept study. It is demonstrated that sufficient quality data can be obtained on a laboratory instrument with small sample consumption, comparable to typical synchrotron SEC-SAXS demands. UV/vis measurements directly on the SAXS exposure cell ensure accurate concentration determination, crucial for direct molecular weight determination from the scattering data. The absence of radiation damage implies that the sample can be fractionated and subjected to complementary analysis available at the home institution after SEC-SAXS. Laboratory-based SEC-SAXS opens the field for analysis of biological samples at the home institution, thus increasing productivity of biostructural research. It may further ensure that synchrotron beamtime is used primarily for the most suitable and optimized samples.

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23

NAKAGAWA, Atsushi. "Synchrotron Radiation." Journal of Synthetic Organic Chemistry, Japan 54, no. 5 (1996): 384–94. http://dx.doi.org/10.5059/yukigoseikyokaishi.54.384.

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24

Ternov, I. M. "Synchrotron radiation." Uspekhi Fizicheskih Nauk 165, no. 4 (1995): 429. http://dx.doi.org/10.3367/ufnr.0165.199504c.0429.

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25

HARA, MASAHIRO. "Synchrotron radiation." Review of Laser Engineering 21, no. 1 (1993): 126–32. http://dx.doi.org/10.2184/lsj.21.126.

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26

Winick, Herman. "Synchrotron Radiation." Scientific American 257, no. 5 (November 1987): 88–99. http://dx.doi.org/10.1038/scientificamerican1187-88.

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27

Hofmann, A. "Synchrotron Radiation." Reviews of Accelerator Science and Technology 01, no. 01 (January 2008): 121–41. http://dx.doi.org/10.1142/s1793626808000071.

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The physics of synchrotron radiation, undulator radiation, and free electron lasers is reviewed with an emphasis on the underlying physical principles and the experimental observables, such as the radiation spectrum, angular distribution, and radiation polarization.

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28

NISHINO, Takashi. "Synchrotron Radiation." Kobunshi 55, no. 4 (2006): 285–89. http://dx.doi.org/10.1295/kobunshi.55.285.

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29

Ternov, I. M. "Synchrotron radiation." Physics-Uspekhi 38, no. 4 (April 30, 1995): 409–34. http://dx.doi.org/10.1070/pu1995v038n04abeh000082.

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30

Kapadia, Phiroze. "Synchrotron Radiation." Optics & Laser Technology 36, no. 6 (September 2004): 516. http://dx.doi.org/10.1016/j.optlastec.2004.02.010.

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31

SCHLICKEISER, R. "COOLING OF RELATIVISTIC ELECTRONS IN TEV BLAZARS: CLUES FROM MULTIWAVELENGTH SPECTRA." International Journal of Modern Physics D 17, no. 09 (September 2008): 1591–601. http://dx.doi.org/10.1142/s0218271808013194.

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In powerful cosmic nonthermal radiation sources with dominant magnetic-field self generation, the generation of magnetic fields at almost equipartition strength by relativistic plasma instabilities operates as fast as the acceleration or injection of ultra-high energy radiating electrons and hadrons in these sources. Consequently, the magnetic field strength becomes time-dependent and adjusts itself to the actual kinetic energy density of the radiating electrons in these sources. This coupling of the magnetic field and the magnetic field energy density to the kinetic energy of the radiating particles changes both the intrinsic temporal evolution of the relativistic particle energy spectrum after injection and the synchrotron and synchrotron self-Compton emissivities.

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32

ISHII, Takehiko. "Synchrotron Radiation Spectroscopy I. Properties of Synchrotron Radiation." Journal of the Spectroscopical Society of Japan 35, no. 1 (1986): 82–95. http://dx.doi.org/10.5111/bunkou.35.82.

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33

Panasyuk, V. S. "New types of synchrotrons as dedicated generators of synchrotron and x-ray radiation." Uspekhi Fizicheskih Nauk 148, no. 04 (April 1986): 723–25. http://dx.doi.org/10.3367/ufnr.0148.198604g.0723.

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34

Panasyuk, V. S. "New types of synchrotrons as dedicated generators of synchrotron and x-ray radiation." Soviet Physics Uspekhi 29, no. 4 (April 30, 1986): 383–84. http://dx.doi.org/10.1070/pu1986v029n04abeh003313.

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35

Zhukovsky, Vladimir Cheslavovich. "Synchrotron Radiation Taking External Influences into Account." Symmetry 14, no. 10 (October 20, 2022): 2207. http://dx.doi.org/10.3390/sym14102207.

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In this paper, we demonstrate how various external forces influence the effect of the radiation of a charged particle. As a particular example, we obtained a solution to the Dirac equation for an electron in a constant homogeneous magnetic field and by taking into account the anomalous magnetic moment and influence of possible Lorentz invariance violation in minimal CPT-odd form. Based on the solution found, we calculated the synchrotron radiation (SR) characteristics and predicted possible observable effects attributable to the Lorentz invariance violation. As another example, we calculated the stimulated synchrotron radiation in the presence of the field of an electromagnetic wave and taking into account the inhomogeneity of an external magnetic field. Moreover, the superposition of two electromagnetic waves was also considered taking into account the properties of radiated electromagnetic waves. We also point out a way to use a corresponding semiclassical solution to the Dirac equation to obtain synchrotron radiation without approximating the radiative amplitudes themselves. This last way of calculating might be of use for studying SR in real circumstances of radiation in an astrophysical magnetic field and in electron accelerators, where electron trajectories are far from being circular.

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36

Hsiung, G. Y., J. R. Huang, J. G. Shyy, D. J. Wang, J. R. Chen, and Y. C. Liu. "Vacuum performance of the Synchroton Radiation Research Center 1.3 GeV synchrotron light source." Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films 14, no. 6 (November 1996): 3275–77. http://dx.doi.org/10.1116/1.580225.

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37

DABAGOV, S. B., M. FERRARIO, L. PALUMBO, and L. SERAFINI. "CHANNELING PROJECTS AT LNF: FROM CRYSTAL UNDULATORS TO CAPILLARY WAVEGUIDES." International Journal of Modern Physics A 22, no. 23 (September 20, 2007): 4280–309. http://dx.doi.org/10.1142/s0217751x07037834.

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Frascati's National Laboratories (LNF INFN) are well known in the world for pioneering research in the particle interaction and synchrotron radiation physics fields. Good experience in designing accelerators, storage rings and beamlines for synchrotron radiation allows presently LNF to be in the frontier for the construction of new X-ray generation sources. This report is an introduction to new research activity "Coherent Scattering Phenomena for Radiations in Solids" started in Frascati within the approved projects SPARC, SPARX and PLASMON-X. The main purpose of the project is to develop research area for studying the channeling phenomena of charged and neutral particles in periodic solid structures.

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38

Brokmeier, Heinz Guenter. "Neutron and Photon Research for Texture and Stress Characterisation of Advanced Materials." Advanced Materials Research 146-147 (October 2010): 891–94. http://dx.doi.org/10.4028/www.scientific.net/amr.146-147.891.

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Worldwide materials science diffractometers at large scale facilities were built recently to improve experimental options for the characterization of advanced materials. Thermal neutrons as well as hard X-rays have a relatively high penetration power that non-destructive investigations of stress profiles and texture gradients are possible. Due to the main difference between neutrons and photons, which is the brilliance of the beam, the gage volume of synchrotron experiments is much smaller than with neutrons. That means, according to the material itself local resolution in mm-scale is preferred by neutrons and in μm scale by synchrotron radiation. The microstructure of laser welded Al shows fine grained parts were synchrotron radiation can be used while coarse grained parts need neutrons for better grain statistics. Both radiations can also be used to perform in situ experiments for stress and texture analysis. A combination of neutron and synchrotron measurements was used to explain the texture influence on the activation of twinning during Mg-extrusion. Neutron diffractometers, such as Stress-Spec@FRM II/Garching-Germany, or synchrotron diffractometers, such as Harwi-II@Haslab/Hamburg-Germany, are excellent for materials characterization in combination with electron diffraction and laboratory X-ray diffraction.

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39

TAO Fen, 陶芬, 薛莲 XUE Lian, 司尚禹 SI Shangyu, 李中亮 LI Zhongliang та 邓彪 DENG biao. "同步辐射晶体单色器高次谐波在光学检测中的应用". ACTA PHOTONICA SINICA 51, № 5 (2022): 0512002. http://dx.doi.org/10.3788/gzxb20225105.0512002.

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40

MASAKI, Kiyotaka, Yuji SANO, and Kentaro KAJIWARA. "OS05F096 Investigation of fatigue crack propagation behavior by CT with Synchrotron Radiation." Abstracts of ATEM : International Conference on Advanced Technology in Experimental Mechanics : Asian Conference on Experimental Mechanics 2011.10 (2011): _OS05F096——_OS05F096—. http://dx.doi.org/10.1299/jsmeatem.2011.10._os05f096-.

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41

Li Jinyu, 李金昱, 杨高元 Yang Gaoyuan, 臧昊峰 Zang Haofeng, 陈火耀 Chen Huoyao, 霍同林 Huo Tonglin, 周洪军 Zhou Hongjun, 鲁拥华 Lu Yonghua, 刘颖 Liu Ying, 洪义麟 Hong Yilin та 付绍军 Fu Shaojun. "极紫外同步辐射光表征离子束诱导的纳米波纹". Acta Optica Sinica 42, № 19 (2022): 1936001. http://dx.doi.org/10.3788/aos202242.1936001.

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42

Cuesta, Ana, Gema Álvarez-Pinazo, Marta García-Maté, Isabel Santacruz, Miguel A. G. Aranda, Ángeles G. De la Torre, and Laura León-Reina. "Rietveld quantitative phase analysis with molybdenum radiation." Powder Diffraction 30, no. 1 (October 15, 2014): 25–35. http://dx.doi.org/10.1017/s0885715614000785.

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Building materials are very complex samples of worldwide importance; hence quantitative knowledge of their mineralogical composition is necessary to predict performances. Rietveld quantitative phase analysis (RQPA) allows a direct measurement of the crystalline phase contents of cements. We highlight in this paper the use of laboratory X-ray powder diffraction (LXRPD) employing high-energy radiation, molybdenum (Mo), for attaining the RQPA of cements. Firstly, we evaluate the accuracy of RQPA employing a commercial calcium sulfoaluminate clinker with gypsum. In addition to MoKα1 and MoKα1,2 radiations, Cu and synchrotron patterns are also analyzed for the sake of comparison. Secondly, the assessment of the accuracy of RQPA results obtained using different radiations (synchrotron, Mo, and Cu) and geometries (reflection and transmission) is performed by analyzing two well-known commercial samples. As expected, for LXRPD data, accuracy in the RQPA results improves as the irradiated volume increases. Finally, three very complex aged hydrated cements have been analyzed using MoKα1-LXRPD and Synchrotron-XRPD. The main overall outcome of this work is the benefit for RQPA of using strictly monochromatic MoKα1 radiation. Best laboratory results arise from MoKα1 data as the effective tested volume is much increased but peak overlapping is not swelled.

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43

Wang, Dao-Zhou, Xiao-Hong Zhao, Zhao Joseph Zhang, Bin-Bin Zhang, and Zhao-Yang Peng. "A Comprehensive Consistency Check between Synchrotron Radiation and the Observed Gamma-Ray Burst Spectra." Astrophysical Journal 926, no. 2 (February 1, 2022): 178. http://dx.doi.org/10.3847/1538-4357/ac4782.

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Abstract We performed a time-resolved spectral analysis of 53 bright gamma-ray bursts (GRBs) observed by Fermi/GBM. Our sample consists of 1117 individual spectra extracted from the finest time slices in each GRB. We fitted them with the synchrotron radiation model by considering the electron distributions in five different cases: monoenergetic, single power law, Maxwellian, traditional fast cooling, and broken power law. Our results were further qualified through the Bayesian information criterion (BIC) by comparing with the fit by empirical models, namely, the so-called Band function and cutoff power-law models. Our study showed that the synchrotron models, except for the fast-cooling case, can successfully fit most observed spectra, with the single power-law case being the most preferred. We also found that the electron distribution indices for the single power-law synchrotron fit in more than half of our spectra exhibit flux-tracking behavior, i.e., the index increases/decreases with the flux increasing/decreasing, implying that the distribution of the radiating electrons is increasingly narrower with time before the flux peaks and becomes more spreading afterward. Our results indicate that the synchrotron radiation is still feasible as a radiation mechanism of the GRB prompt emission phase.

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44

OHTA, Toshiaki. "Synchrotron Radiation. III. Measurement by Synchrotron Radiation. 2. XAFS." RADIOISOTOPES 47, no. 3 (1998): 233–39. http://dx.doi.org/10.3769/radioisotopes.47.233.

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45

Chen Jie, 陈杰, 叶恺容 Ye Kairong, and 冷用斌 Leng Yongbin. "Development of Shanghai Synchrotron Radiation Facility synchrotron radiation interferometer." High Power Laser and Particle Beams 23, no. 1 (2011): 179–84. http://dx.doi.org/10.3788/hplpb20112301.0179.

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46

Nakanishi, S., H. Itoh, T. Fuji, T. Kashiwagi, N. Tsurumachi, M. Furuichi, H. Nakatsuka, and M. Kamada. "Application of synchrotron radiation to ultrafast spectroscopy." Journal of Synchrotron Radiation 5, no. 3 (May 1, 1998): 1072–74. http://dx.doi.org/10.1107/s0909049597014805.

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A novel application of synchrotron radiation to ultrafast optical spectroscopy is demonstrated. The application is based on the short coherence time of broadband synchrotron radiation and employs a conventional interferometer. From a detailed study of the coherence of synchrotron radiation, it is shown that the coherent interference between two synchrotron radiation beams, split from a single beam, can provide ultimate time resolution down to a few femtoseconds. Experimental results of ultrafast spectroscopy using broadband synchrotron radiation are presented; these include free-induction decay and photon echoes in the visible and ultraviolet regions.

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47

Pogrebitsky, Konstantin J., and Michael D. Sharkov. "Innovations in X-Ray Induced Electron Emission Spectrometry (XIEES)." Key Engineering Materials 437 (May 2010): 631–35. http://dx.doi.org/10.4028/www.scientific.net/kem.437.631.

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In modern sciences and technologies it is required to investigate local atomic and electron structure of matter independently on its aggregate state. There are advanced methods aimed at short order. These methods are based on the phenomena accompanied by interference of secondary electrons excited by primary X-ray radiation. Such methods are known as XAFS (X-ray absorption fine structure). These methods are based mainly on using of synchrotron radiation. It is realized in two modes: ‘transmission mode’ and registration of secondary effects that follow the primary X-ray absorption. One may announce only two such effects: X-ray induced fluorescence and X-ray induced electron emission (photoeffect). However, the access to synchrotron rings is problematic for the most users. This fact supposes the necessity to develop laboratory devices of direct urgent access. Since the power of laboratory X-ray sources is much less than the flux from synchrotrons, it is necessary to use secondary electron detectors of considerably higher efficiency. Moreover, it is attractive to possess energy in spatial resolution. Channeltrons and multi-channel plates do not have such abilities. That is why the advanced electron detector was developed and exposed to photoeffect under acceleration field. The work is performed within the frames of ISTC Project #3157.

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48

IIDA, Atsuo. "Synchrotron Radiation. III. Measurement by Synchrotron Radiation. 6. Synchrotron X-Ray Fluorescence Spectrometry." RADIOISOTOPES 47, no. 4 (1998): 336–43. http://dx.doi.org/10.3769/radioisotopes.47.336.

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49

Hirosawa, Ichiro. "Synchrotron Radiation as Analytical Tools for Industrial Materials ～Synchrotron Radiation and Synchrotron Facilities～." Materia Japan 58, no. 7 (July 1, 2019): 391–94. http://dx.doi.org/10.2320/materia.58.391.

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50

Bras, W., and A. J. Ryan. "Time-Resolved Small-Angle X-ray Scattering Combined with Wide-Angle X-ray Scattering." Journal of Applied Crystallography 30, no. 5 (October 1, 1997): 816–21. http://dx.doi.org/10.1107/s0021889897001040.

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The high X-ray intensity of synchrotron radiation (SR) beamlines makes it possible to perform time-resolved small-angle X-ray scattering (SAXS) experiments. The information that can be obtained by collecting the wide-angle diffraction pattern simultaneously not only increases the information content of an experiment but also increases the reliability of the time-correlations between SAXS and WAXS (wide-angle X-ray scattering) patterns. This is a great advantage for experiments with a time resolution below the level of 1 s per frame. With appropriate instrumentation, this is a time domain that is routinely accessible for a large group of research fields. This has had a considerable impact upon the understanding of fundamental aspects of phase transformations. Not only fundamental processes but also more applied fields have benefited from these developments. In polymer research this has led to a situation in which it has become possible to simulate materials processing techniques on-line. With the advent of third-generation synchrotron-radiation sources (e.g. ESRF, APS, Spring8), it has become possible to develop SAXS/WAXS beamlines that will open up new research opportunities by utilizing the higher intensity, the tuneability and the higher collimation offered by these SR sources. However, some of the instrumentation limits in detector and sample environments that have become apparent in research on second-generation synchrotron-radiation sources still have not been appropriately addressed, which means that in some fields it will not be possible to take full advantage of the superior X-ray beam quality that third-generation synchrotrons can offer. A way in which these instrumentation limits can be overcome is discussed, and the instrumentation for a new bending-magnet beamline at the ESRF is used as an example.

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