395 citations · 1.8k across the 47 of their papers we have counts for
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Technical Status Report on Plasma Components and Systems in the context of EuPRAXIA
A. Biagioni, N. Bourgeois, F. Brandi +27
The EuPRAXIA project aims to construct two state-of-the-art accelerator facilities based on plasma accelerator technology. Plasma-based accelerators offer the possibility of a sign…
Dependence on laser intensity of the number-weighted angular distribution of Compton-scattered photon beams
K. Fleck, T. Blackburn, E. Gerstmayr +4
Inverse Compton scattering of an ultra-relativistic electron in the field of a high-intensity laser produces photon beams with angular and spectral distributions that are strongly…
Extended X-ray absorption spectroscopy using an ultrashort pulse laboratory-scale laser-plasma accelerator
B. Kettle, C. Colgan, E. Los +21
Laser-driven compact particle accelerators can provide ultrashort pulses of broadband X-rays, well suited for undertaking X-ray absorption spectroscopy measurements on a femtosecon…
Optimizing laser coupling, matter heating, and particle acceleration from solids using multiplexed ultraintense lasers
Weipeng Yao, Motoaki Nakatsutsumi, Sébastien Buffechoux +20
Realizing the full potential of ultrahigh-intensity lasers for particle and radiation generation will require multi-beam arrangements due to technology limitations. Here, we invest…
Photo-induced pair production and strong field QED on Gemini
CH Keitel, A Di Piazza, GG Paulus +12
The extreme intensities obtainable with lasers such as Gemini allow non-linear QED phenomena to be investigated according to our calculations. Electron-positron pair production fro…
Non-invasive characterisation of a laser-driven positron beam
Aaron Alejo, Guillermo Marrero Samarin, Richard Warwick +6
We report on an indirect and non-invasive method to simultaneously characterise the energy-dependent emittance and source size of ultra-relativistic positron beams generated during…
Laser-driven high-quality positron sources as possible injectors for plasma-based accelerators
Aaron Alejo, Roman Walczak, Gianluca Sarri
The intrinsic constraints in the amplitude of the accelerating fields sustainable by radio-frequency accelerators demand for the pursuit of alternative and more compact acceleratio…
One-dimensional thermal pressure-driven expansion of a pair cloud into an electron-proton plasma
M. E. Dieckmann, A. Alejo, G. Sarri +2
Recently a filamentation instability was observed when a laser-generated pair cloud interacted with an ambient plasma. The magnetic field it drove was strong enough to magnetize an…
Expansion of a radially symmetric blast shell into a uniformly magnetized plasma
M E Dieckmann, Q Moreno, D Doria +7
The expansion of a thermal pressure-driven radial blast shell into a dilute ambient plasma is examined with two-dimensional PIC simulations. The purpose is to determine if laminar…
General features of experiments on the dynamics of laser-driven electron-positron beams
J. R. Warwick, A. Alejo, T. Dzelzainis +14
The experimental study of the dynamics of neutral electron-positron beams is an emerging area of research, enabled by the recent results on the generation of this exotic state of m…
Conditions for the onset of the current filamentation instability in the laboratory
N. Shukla, J. Vieira, P. Muggli +3
Current Filamentation Instability (CFI) is capable of generating strong magnetic fields relevant to explain radiation processes in astrophysical objects and lead to the onset of pa…
Expansion of a radial plasma blast shell into an ambient plasma
M E Dieckmann, D Doria, H Ahmed +6
The expansion of a radial blast shell into an ambient plasma is modeled with a particle-in-cell (PIC) simulation. The unmagnetized plasma consists of electrons and protons. The for…
Experimental evidence of radiation reaction in the collision of a high-intensity laser pulse with a laser-wakefield accelerated electron beam
J. M. Cole, K. T. Behm, T. G. Blackburn +21
The dynamics of energetic particles in strong electromagnetic fields can be heavily influenced by the energy loss arising from the emission of radiation during acceleration, known…
Experimental observation of a current-driven instability in a neutral electron-positron beam
J. Warwick, T. Dzelzainis, M. E. Dieckmann +16
We report on the first experimental observation of a current-driven instability developing in a quasi-neutral matter-antimatter beam. Strong magnetic fields ( 1 T) are measur…
Particle-in-cell simulation study of a lower-hybrid shock
Mark Eric Dieckmann, Gianluca Sarri, Domenico Doria +2
The expansion of a magnetized high-pressure plasma into a low-pressure ambient medium is examined with particle-in-cell (PIC) simulations. The magnetic field points perpendicularly…
Ultrafast opacity in borosilicate glass induced by picosecond bursts of laser-driven ions
B. Dromey, L. Stella, D. Adams +22
Direct investigation of ion-induced dynamics in matter on picosecond (ps, 10-12 s) timescales has been precluded to date by the relatively long nanosecond (ns, 10-9 s) scale ion pu…
Optimisation of the pointing stability of laser-wakefield accelerated electron beams
R. J. Garland, K. Poder, J. Cole +13
Laser-wakefield acceleration is a promising technique for the next generation of ultra-compact, high-energy particle accelerators. However, for a meaningful use of laser-driven par…
Generation of a neutral, high-density electron-positron plasma in the laboratory
G. Sarri, K. Poder, J. Cole +17
We report on the laser-driven generation of purely neutral, relativistic electron-positron pair plasmas. The overall charge neutrality, high average Lorentz factor ($γ_{e/p} \appro…
Modification of the formation of high-Mach number electrostatic shock-like structures by the ion acoustic instability
Mark E Dieckmann, Gianluca Sarri, Domenico Doria +2
The formation of unmagnetized electrostatic shock-like structures with a high Mach number is examined with one- and two-dimensional particle-in-cell (PIC) simulations. The structur…
Parametric study of non-relativistic electrostatic shocks and the structure of their transition layer
ME Dieckmann, H Ahmed, G Sarri +5
Nonrelativistic electrostatic unmagnetized shocks are frequently observed in laboratory plasmas and they are likely to exist in astrophysical plasmas. Their maximum speed, expresse…
Simulation of relativistically colliding laser-generated electron flows
Xiaohu Yang, Mark E. Dieckmann, Gianluca Sarri +1
The plasma dynamics resulting from the simultaneous impact, of two equal, ultra-intense laser pulses, in two spatially separated spots, onto a dense target is studied via particle-…
Magnetic instability in a dilute circular rarefaction wave
Mark Eric Dieckmann, Gianluca Sarri, Marco Borghesi
The generation of a magnetic field in a circular rarefaction wave is examined in form of a 2D particle-in-cell (PIC) simulation. Electrons with a temperature of 32 keV are uniforml…
Dynamics of self-generated, large amplitude magnetic fields following high-intensity laser matter interaction
G. Sarri, A. Macchi, C. A. Cecchetti +15
The dynamics of magnetic fields with amplitude of several tens of Megagauss, generated at both sides of a solid target irradiated with a high intensity (? 1019W/cm2) picosecond las…
Ion acceleration in multispecies targets driven by intense laser radiation pressure
S. Kar, K. F. Kakolee, B. Qiao +15
The acceleration of ions from ultra-thin foils has been investigated using 250 TW, sub-ps laser pulses, focused on target at intensities up to $3\times10^{20} \Wcm2$. The ion spect…