plasma-based accelerator
Hybrid modeling of relativistic underdense plasma photocathode injectors
... background plasma electrons into the plasma wave, trapping them in the wave, and forming an electron bunch with compact six-dimensional phase space volume is a complex process presenting difficult ...for ...
9
Towards plasma-driven free-electron lasers
... laser-plasma accelerator and of the FEL amplification from plasma-generated electron bunches thereby forms the basis for any application driven by these ...a plasma-driven FEL, based on ...
9
Characterisation of a laser plasma accelerator x-ray source size using a Kirkpatrick-Baez microscope
... [1] Wiggins, S., Boyd, M., Brunetti, E., Butler, N., Feehan, J., Gray, R., Hidding, B., Ireland, D., Li, W., Maitrallain, A., Manahan, G., McKenna, P., ODonnell, D., Scheck, M., Shahzad, M., Sheng, Z., Spesyvt- sev, R., ...
7
Horizon 2020 EuPRAXIA design study
... multi-GeV plasma-based accelerator with outstanding beam ...a plasma accelerator, and serve pilot users from science, engineering, medicine and ...
8
Near-threshold electron injection in the laser-plasma wakefield accelerator leading to femtosecond bunches
... In conclusion, we report CTR electron bunch length measurements from a LWFA driven by a single laser beam for two different experimental conditions, observing 1 – 2 fs structure containing ∼ 10 pC of charge, resulting in ...
13
Three electron beams from a laser-plasma wakefield accelerator and the energy apportioning question
... pretation of the underlying physics lacking, but it is not clear how the oblique ejections influence the overall effi- ciency of LWFAs. Here we draw attention to these aspects and present a full characterisation of such ...
10
Path to AWAKE:evolution of the concept
... the plasma wavelength) do not produce stable bunch trains [30, 38, ...The plasma interacts with the rear part only (defined as the part of the proton bunch coming after the laser pulse) and this is ...
15
Fundamentals and applications of hybrid LWFA-PWFA
... the plasma wave. It relies on a localized elongation of the plasma cavity on the plasma density downrampp, which facilities injection and trapping of plasma electrons into the plasma ...
20
Near threshold electron injection in the laser plasma wakefield accelerator leading to femtosecond bunches
... Two CTR spectra have been measured in different runs for different vertical distance between gas jet and laser beam, which introduced slight changes to plasma density and laser amplitude. The spectrum in figure ...
13
Estimation of Ion Beam Trajectories for a Slot Aperture Accelerator of Long Pulse Ion Source in Neutral Beam Injector
... be found that an optimum beam perveance must be in- creased with an increase in the divergence angle when the voltage ratio between G1 and G2 is gradually de- creased. On the other hand, an optimum beam perve- nance is ...
6
Applications of laser wakefield accelerator based light sources
... The field of high energy density (HED) science [6] is relatively young. One of its grand challenges is to understand the relationships between temperature, pressure, and density in extreme environments. For example, it ...
80
An ultrashort pulse ultra-violet radiation undulator source driven by a laser plasma wakefield accelerator
... Electron beam transport that minimizes bunch lengthening would reduce the mean electron bunch duration in the undula- tor and, hence, the radiation pulse duration from shot-to-shot. This would entail tuning the ...
6
Design and Analysis of Automobile Pedal with Combined Brake and Accelerator
... and accelerator such that the clutch is to the left, the accelerator to the right and the brake in the middle, the right foot should be used for pressing the accelerator and ...the ...
5
Electron energy increase in a laser wakefield accelerator using up-ramp plasma density profiles
... We observed significant changes in the energy and the divergence of electron beams with respect to the plasma density profiles generated by the tilted nozzle. The mean peak energy and mean divergence are shown in ...
7
Integrated genomic analyses in PDX model reveal a cyclin-dependent kinase inhibitor Palbociclib as a novel candidate drug for nasopharyngeal carcinoma
... To identify precise druggable targets for cancer treat- ment, patient-derived xenograft (PDX) model serves as a platform connecting basic and clinical research for new treatment validations and biomarker screening ...
15
Pepper-pot emittance measurement of laser-plasma wakefield accelerated electrons
... The transverse emittance is an important parameter governing the brightness of an electron beam. Here we present the first pepper-pot measurement of the transverse emittance for a mono-energetic electron beam from a ...
10
Laser-driven very high energy electron/photon beam radiation therapy in conjunction with a robotic system
... laser plasma accelerator, and beam focusing system for VHE electron beam therapy or Bremsstrahlung conversion target for VHE photon beam ...an accelerator is filled with a pure gas, ...
20
The Heavy Ion Accelerator Facility: Research Achievements and Aspirations
... electrostatic accelerator manufac- tured by the National Electrostatics Corporation (NEC) has been in operation since ...USA based company that continues to specialise in custom-made ion-beam accelerators ...
7
Plasma Wakefield Accelerator Research 2019 - 2040 : a community-driven UK roadmap compiled by the Plasma Wakefield Accelerator Steering Committee (PWASC)
... for plasma wakefield acceleration and given its current status, there has not been a great deal of discussion amongst the HEP community on the possible ...by plasma accelerators is therefore a goal which ...
38
Modelling a laser plasma accelerator driven free electron laser
... new accelerator techniques. Laser-plasma accelerator (LPA) are a promising accelerator for next generation compact FEL light sources with many potential advantages due to the ...
7