Articles with "electron beams" as a keyword



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Electron beam water calorimetry measurements to obtain beam quality conversion factors

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Published in 2017 at "Medical Physics"

DOI: 10.1002/mp.12463

Abstract: Purpose: To provide results of water calorimetry and ion chamber measurements in high‐energy electron beams carried out at the National Research Council Canada (NRC). There are three main aspects to this work: (a) investigation of… read more here.

Keywords: ion chambers; water calorimetry; electron beams; calorimetry measurements ... See more keywords
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Application of a novel diamond detector for commissioning of FLASH radiotherapy electron beams

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Published in 2022 at "Medical Physics"

DOI: 10.1002/mp.15782

Abstract: Abstract Purpose A diamond detector prototype was recently proposed by Marinelli et al. (Medical Physics 2022, https://doi.org/10.1002/mp.15473) for applications in ultrahigh‐dose‐per‐pulse (UH‐DPP) and ultrahigh‐dose‐rate (UH‐DR) beams, as used in FLASH radiotherapy (FLASH‐RT). In the present… read more here.

Keywords: diamond detector; beam; flash radiotherapy; electron ... See more keywords
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Inelastic scattering and energy loss of swift electron beams in biologically relevant materials

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Published in 2017 at "Surface and Interface Analysis"

DOI: 10.1002/sia.5947

Abstract: The authors acknowledge financial support by the Spanish Ministerio de Economia y Competitividad (Project FIS2014-58849-P). IK and DE acknowledge financial support from the European Union FP7 (Marie Curie Actions) program “RADDEL” (REA grant agreement No.… read more here.

Keywords: loss swift; energy loss; electron beams; inelastic scattering ... See more keywords
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Evaluation of characteristics of high-energy electron beams using N-isopropyl-acrylamide gel dosimeter

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Published in 2017 at "Radiation Physics and Chemistry"

DOI: 10.1016/j.radphyschem.2017.02.022

Abstract: Abstract The advantage of electron beam radiotherapy is that the absorbed dose rapidly decreases with the increasing depth, which can prevent damage to deeper organs and tissues. Accurately evaluating the absorbed dose in the superficial… read more here.

Keywords: electron beams; gel dosimeter; gel; electron ... See more keywords
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Towards topological spectroscopy in the electron microscope with atomic resolution

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Published in 2018 at "Microscopy and Microanalysis"

DOI: 10.1017/s1431927618005123

Abstract: It has been almost a decade since the first experimental proof that electron beams carrying orbital angular momentum (OAM) can be produced in an electron microscope [1]. Since then, there has been considerable interest, reflected… read more here.

Keywords: towards topological; electron beams; electron microscope; spectroscopy ... See more keywords
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Photon Statistics of Incoherent Cathodoluminescence with Continuous and Pulsed Electron Beams

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Published in 2021 at "ACS Photonics"

DOI: 10.1021/acsphotonics.0c01939

Abstract: Photon bunching in incoherent cathodoluminescence (CL) spectroscopy originates from the fact that a single high-energy electron can generate multiple photons when interacting with a material, thus, revealing key properties of electron–matter excitation. Contrary to previous… read more here.

Keywords: pulsed electron; electron beams; continuous pulsed; electron ... See more keywords
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Coherent Terahertz Radiation from Multiple Electron Beams Excitation within a Plasmonic Crystal-like structure

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Published in 2017 at "Scientific Reports"

DOI: 10.1038/srep41116

Abstract: Coherent terahertz radiation from multiple electron beams excitation within a plasmonic crystal-like structure (a three-dimensional holes array) which is composed of multiple stacked layers with 3 × 3 subwavelength holes array has been proposed in this paper.… read more here.

Keywords: radiation; electron beams; structure; electron ... See more keywords
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Whistler envelope solitons. II. Interaction with non-relativistic electron beams in plasmas with density inhomogeneities

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Published in 2018 at "Physics of Plasmas"

DOI: 10.1063/1.5041075

Abstract: This paper studies the self-consistent interactions between whistler envelope solitons and electron beams in inhomogeneous plasmas, using a Hamiltonian model of wave-particle interaction where nonlinear equations describing the dynamics of whistler and ion acoustic waves… read more here.

Keywords: energy; envelope; electron beams; whistler envelope ... See more keywords
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Evolution of ultra-relativistic hollow electron beams during their propagation in plasmas

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Published in 2019 at "Physics of Plasmas"

DOI: 10.1063/1.5065375

Abstract: Ultra-relativistic hollow electron beams can drive plasma wakefields (∼GV/m) suitable for positron acceleration. Stable propagation of hollow electron beams for long distances in plasmas is required to accelerate positrons to high energies by these plasma… read more here.

Keywords: electron beams; hollow electron; electron; ultra relativistic ... See more keywords
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Accurate single-shot measurement technique for the spectral distribution of GeV electron beams from a laser wakefield accelerator

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Published in 2019 at "AIP Advances"

DOI: 10.1063/1.5117311

Abstract: We present a technique, based on a dipole magnet spectrometer containing multiple scintillation screens, to accurately characterize the spectral distribution of a GeV electron beam generated by laser wakefield acceleration (LWFA). An optimization algorithm along… read more here.

Keywords: technique; gev; shot; electron beams ... See more keywords
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Momentum transfer driven by fluctuations in relativistic counter-propagating electron beams

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Published in 2021 at "Plasma Physics and Controlled Fusion"

DOI: 10.1088/1361-6587/abe695

Abstract: A semi-Lagrangian relativistic Vlasov–Maxwell solver is used to describe the non-linear momentum transfer between electron beams, which is driven by spontaneous fluctuations in the oblique filamentation instability (a type of Weibel mode) in two-dimensional plasmas.… read more here.

Keywords: filamentation; momentum transfer; momentum; electron beams ... See more keywords