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Published in 2022 at "Medical physics"
DOI: 10.1002/mp.15891
Abstract: PURPOSE To describe the scattered radiation spectra inside an x-ray room for different scatteringĀ conditions. METHODS Monte Carlo simulations of an x-ray room using phantoms of different size, varying field sizes and a range of mono-energetic…
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Keywords:
ray room;
energy spread;
energy;
radiation ... See more keywords
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Published in 2020 at "Physics in medicine and biology"
DOI: 10.1088/1361-6560/abc304
Abstract: Radioactive ion beams combined with in-beam positron emission tomography (PET) enable accurate in situ beam range verification in heavy ion therapy. However, the energy spread of the radioactive beams generated as secondary beams is wider…
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Keywords:
ion beams;
spread estimation;
energy;
energy spread ... See more keywords
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Published in 2019 at "Journal of Instrumentation"
DOI: 10.1088/1748-0221/14/05/p05009
Abstract: A low energy antiproton transport from the ASACUSA antiproton accumulation trap (MUSASHI trap) to the antihydrogen production trap (double cusp trap) is developed. The longitudinal antiproton energy spread after the transport line is 0.23 +-…
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Keywords:
antihydrogen production;
antihydrogen;
low energy;
energy ... See more keywords
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Published in 2023 at "Journal of Instrumentation"
DOI: 10.1088/1748-0221/18/04/p04018
Abstract: We present a study of factors affecting the energy spread of ion beams extracted from a Charge Breeder Electron Cyclotron Resonance Ion Source (CB-ECRIS). The comprehensive simulations, supported by experiments with a Retarding Field Analyser…
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Keywords:
magnetic field;
energy spread;
ion;
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Published in 2017 at "Physical review accelerators and beams"
DOI: 10.1103/physrevaccelbeams.20.040702
Abstract: We present a setup based on the optical klystron concept, consisting of two undulator modules separated by a magnetic chicane, that addresses two issues in free-electron-laser (FEL) facilities. On the one hand, it allows increasing…
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Keywords:
laser;
energy spread;
free electron;
optical klystron ... See more keywords
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Published in 2020 at "Physical review accelerators and beams"
DOI: 10.1103/physrevaccelbeams.23.101003
Abstract: A semianalytical model has been developed to study a combined effect of beamstrahlung due to beam-beam interaction and beam coupling impedance in the future lepton colliders CEPC and FCC-ee. This model allows evaluating an impact…
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Keywords:
coupling impedance;
energy spread;
future lepton;
lepton colliders ... See more keywords
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Published in 2019 at "Physical review letters"
DOI: 10.1103/physrevlett.122.204804
Abstract: Plasma-based accelerators have made impressive progress in recent years. However, the beam energy spread obtained in these accelerators is still at the ā¼1% level, nearly one order of magnitude larger than what is needed for…
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Keywords:
energy spread;
reduction;
energy;
phase space ... See more keywords
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Published in 2020 at "Physical review letters"
DOI: 10.1103/physrevlett.125.054801
Abstract: Achieving a low mean transverse energy or temperature of electrons emitted from the photocathode-based electron sources is critical to the development of next-generation and compact x-ray free electron lasers and ultrafast electron diffraction, spectroscopy, and…
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Keywords:
photoemission;
near threshold;
threshold photoemission;
energy ... See more keywords
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Published in 2018 at "Journal of synchrotron radiation"
DOI: 10.1107/s1600577518010330
Abstract: The (spectral) brightness for partially transverse coherent sources such as synchrotron radiation and free-electron laser sources can be defined as the maximum of the Wigner distribution. Then, the brightness includes information on both coherence and…
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Keywords:
energy spread;
brightness;
undulator;
radiation ... See more keywords
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Published in 2019 at "Applied Sciences"
DOI: 10.3390/app9122561
Abstract: We experimentally demonstrated the generation of narrow energy-spread electron beams with enhanced energy levels using a hybrid laser-plasma wakefield accelerator. An experiment featuring two-color electron beams showed that after the laser pump reached the depletion…
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Keywords:
energy;
electron beams;
energy spread;
hybrid laser ... See more keywords
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Published in 2022 at "Symmetry"
DOI: 10.3390/sym14071353
Abstract: The theoretical study of the effect of electron beam parameters, in particular, the emittance and its asymmetry on the radiation from relativistic electrons in undulators is conducted both analytically and numerically. The reasons for the…
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Keywords:
beam;
energy spread;
asymmetry;
radiation ... See more keywords