electron beams
High-energy coherent terahertz radiation emitted by wide-angle electron beams from a laser-wakefield accelerator
... High-charge electron beams produced by laser-wakefield accelerators are potentially novel, scalable sources of high-power terahertz radiation suitable for applications requiring high-intensity ...picocoulomb ...
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Ultrahigh-charge electron beams from laser-irradiated solid surface
... produce electron beams either with low charge or with large divergence ...collimated electron beams with a divergence angle of a few degrees, nonthermal spectra peaked at the megaelectronvolt ...
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TARANIS XGRE and IDEE detection capability of terrestrial gamma-ray flashes and associated electron beams
... A careful analysis of BATSE, RHESSI and Fermi-GBM data permitted the identification of some longer events with durations more than 1 ms (Smith et al., 2006; Dwyer et al., 2008; Cohen et al., 2010; Briggs et al., 2011). ...
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Coherent terahertz radiation emitted by wide-angle electron beams from a laser-wakefield accelerator
... femtosecond-duration electron bunches with energies from 10s of MeV to several GeV in millimetre distances by exploiting the large accelerating gradients created when a high-intensity laser pulse propagates in an ...
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Acceleration of on-axis and ring-shaped electron beams in wakefields driven by Laguerre-Gaussian pulses
... inner electron sheaths of the donut-like wake will overlap in the front part of the wake, and the sheath electrons pile up on- ...ring-shaped electron beams ...ring-shaped electron beam by ...
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Concurrence of monoenergetic electron beams and bright X-rays from an evolving laser-plasma bubble
... quasi-monoenergetic electron beams 1,2 . Moreover, such electron beams can oscillate transversely (wiggling motion) in the laser-produced plasma bubble/channel and emit collimated ultrashort ...
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Technical Report FP Simple injector for high-current sheet electron beams
... Sheet-beam electron injectors have long been used for industrial process- ...sheet electron beams to drive innovative high- frequency, high-power microwave ...focused beams at current levels ...
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A novel Hemi-Body Irradiation technique using electron beams (HBIe−)
... large electron field ...using electron beams, with an acceptable variation of dose distribution (±8% vertically and ±4% horizontally within the central 160 cm × 60 cm field area according to AAPM ...
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X-ray emission as a diagnostic from pseudospark-sourced electron beams
... mm-diameter electron beam has been generated by a pseudospark discharge in a 4- gap ...the electron beam, X-ray generation has been detected using repetitive shots at a frequency of 1 ...similar ...
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The Weakened Weibel Electromagnetic Instability of Ultra-Intense MeV Electron Beams in Multi-Layer Solid Structure
... fast electron beams in multi-layer structure is ...fast electron beams can be significantly suppressed by this ...fast electron beam focusing, and perhaps fast ...
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Guiding of relativistic electron beams in dense matter by laser-driven magnetostatic fields
... relativistic electron beams, which transport part of the laser energy into the target ...the electron beam, intrinsic to the laser – plasma ...background electron temperature at the ...
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Compact high power millimetre wave sources driven by pseudospark-sourced electron beams
... PS-sourced electron beams and their application in microwave and millimetre-wave devices at the University of Strathclyde during recent ...brightness electron beams as drivers for ...
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Challenges of dosimetry of ultra-short pulsed very high energy electron beams
... of electron beams with energies exceeding 100 MeV have been studied for lung cancer [9] and prostate cancer treatment ...that electron beams with energies above 100 MeV can achieve a very good ...
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Ultralow-emittance measurement of high-quality electron beams from a laser wakefield accelerator
... monoenergetic electron beams (e beams) with peak energies of 340–360 MeV and rms divergence of ...e beams hold great potential applications in developing free electron lasers and ...
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Three electron beams from a laser-plasma wakefield accelerator and the energy apportioning question
... The energy of oblique electrons is measured both with a magnetic spectrometer and using multi-layer fil- ters, as described in Methods. The energy variation and sum of 200 consecutive shots on the spectrometer are shown ...
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Direct observation of plasma waves and dynamics induced by laser-accelerated electron beams
... facilitate electron injection, a silicon wafer was moved into the gas stream, leading to the formation of a shock front ...in beams with up to 900 pC in the energy range of 25 – 400 MeV at 150 MeV central ...
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Measurement and Evaluation of Local Surface Temperature Induced by Irradiation of Nanoscaled or Microscaled Electron Beams
... Electron beams (e-beams) have been applied as detecting probes and clean energy sources in many applications. In this work, we investigated several approaches for measurement and estimation of the ...
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Dynamics of an orbital polarization of twisted electron beams in electric and magnetic fields
... (vortex) electron beams [1] has shown that particles can carry an in- trinsic orbital angular momentum ...Twisted electron beams with large intrinsic OAMs (up to 1000 ~ ) have been recently ...
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Advanced schemes for underdense plasma photocathode wakefield accelerators : pathways towards ultrahigh brightness electron beams
... low-emittance electron beams inside a plasma- based accelerator is discussed, a concept which is initially introduced in Ref ...the electron beam ...emittance electron beam of interest (called ...
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Focused very high-energy electron beams as a novel radiotherapy modality for producing high-dose volumetric elements
... statistical error. The dose outside of the peak regions for all simulations is calculated with the uncertainty below 3–4%. We consider initially mono-energetic electron beams with energy of 200 MeV and 2 ...
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