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ion acceleration

Efficient ion acceleration and dense electron-positron plasma creation in ultra-high intensity laser-solid interactions

Efficient ion acceleration and dense electron-positron plasma creation in ultra-high intensity laser-solid interactions

... the ion acceleration enters the more ef fi cient LS ...of ion acceleration regime may depend on considerations beyond those investigated here, for example the stability, or lack thereof, of the ...

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Energetic ion acceleration during magnetic reconnection in the Earth’s magnetotail

Energetic ion acceleration during magnetic reconnection in the Earth’s magnetotail

... energetic ion acceleration up to 1 MeV is from the result of our ...electron acceleration mechanism is that the unmagnetized elec- trons in the vicinity of the X-type diffusion region can be ...

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Carbon ion acceleration from thin foil targets irradiated by ultrahigh-contrast, ultraintense laser pulses

Carbon ion acceleration from thin foil targets irradiated by ultrahigh-contrast, ultraintense laser pulses

... maximum ion energy scales as I 1/2 and the ion beam is directed along the target normal axis ...other ion acceleration mechanisms become ...of ion energies is predicted, with energy ...

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Ion acceleration and plasma jet formation in ultra-thin foils undergoing expansion and relativistic transparency

Ion acceleration and plasma jet formation in ultra-thin foils undergoing expansion and relativistic transparency

... interaction. Ion acceleration in this regime is strongly a ff ected by the transition from an opaque to a relativistically transparent ...distinct ion acceleration mechanisms: sheath ...

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Enhancement of collisionless shock ion acceleration by electrostatic ion two-stream instability in the upstream plasma

Enhancement of collisionless shock ion acceleration by electrostatic ion two-stream instability in the upstream plasma

... ions acceleration and there are several promising mechanisms for laser-driven ion ...energetic ion beams driven by laser- plasma interaction have many potential applications such as accelerator ...

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Multi-pulse enhanced laser ion acceleration using plasma half cavity targets

Multi-pulse enhanced laser ion acceleration using plasma half cavity targets

... second contrast ratio of 10 6 , where contrast is defined as the intensity ratio of the main pulse to the amplified spontaneous emission prepulse of the laser system. The primary diagnos- tic for proton dosimetry was ...

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Characterization of proton and heavier ion acceleration in ultrahigh-intensity laser interactions with heated target foils

Characterization of proton and heavier ion acceleration in ultrahigh-intensity laser interactions with heated target foils

... integrated ion flux measurements of proton and heavy ion acceleration from the same laser shots with heated and unheated ...heavy ion induced reaction channels in the surrounding activation ...

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Multi-Species Ion Acceleration in Expansion of Finite-Size Plasma Targets

Multi-Species Ion Acceleration in Expansion of Finite-Size Plasma Targets

... Ion acceleration due to plasma expansion into vacuum has been a subject of considerable interest for decades [1– ...maximum ion kinetic energy and energy spec- ...

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Laser contrast and other key parameters enhancing the laser conversion efficiency in ion acceleration regime

Laser contrast and other key parameters enhancing the laser conversion efficiency in ion acceleration regime

... laser-plasma ion acceleration is the presence of a laser pedestal of amplified spontaneous emission (ASE) or laser prepulses to the main pulse, which affects the laser-solid and laser- plasma interaction ...

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Influence of radiation reaction force on ultraintense laser-driven ion acceleration

Influence of radiation reaction force on ultraintense laser-driven ion acceleration

... leading to the forward acceleration of ions, as observed in Fig. 4(c)—this corresponds to ion acceleration in the “piston” or “hole-boring-RPA” regime [4,28]. As little as 4% of the laser energy is ...

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Intra-pulse transition between ion acceleration mechanisms in intense laser-foil interactions

Intra-pulse transition between ion acceleration mechanisms in intense laser-foil interactions

... Multiple ion acceleration mechanisms can occur when an ultrathin foil is irradiated with an intense laser pulse, with the dominant mechanism changing over the course of the ...pressure acceleration ...

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Ion acceleration with radiation pressure in quantum electrodynamic regimes

Ion acceleration with radiation pressure in quantum electrodynamic regimes

... We simulate the effect of QED processes on hole boring ion acceleration using the QED-PIC code EPOCH. The particle-in-cell method uses macro-particles to represent many real particles for computational ...

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Heavy ion acceleration at parallel shocks

Heavy ion acceleration at parallel shocks

... following the work of Skilling (1975) and Bell (1978a, b), developed the quasi-linear model that describes self- consistently the ion acceleration and the wave excitation at interplanetary shocks. Lee ...

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Heavy ion acceleration in the radiation pressure acceleration and breakout afterburner regimes

Heavy ion acceleration in the radiation pressure acceleration and breakout afterburner regimes

... ample acceleration time and eliminate the hurdles discussed ...heavy ion acceleration, but unusually thick (2 mm) lead foils were used ...the acceleration mechanisms pertinent to heavy ions is ...

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Fabrication and characterization of porous opaque PMMA foils to be laser irradiated producing ion acceleration

Fabrication and characterization of porous opaque PMMA foils to be laser irradiated producing ion acceleration

... ion acceleration. To this, coherent photon energy must be converted into ion kinetic ...target-normal-sheath- acceleration (TNSA) regime using intensities higher than 10 15 W/cm 2 ...

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Preferential enhancement of laser-driven carbon ion acceleration from optimized nanostructured surfaces

Preferential enhancement of laser-driven carbon ion acceleration from optimized nanostructured surfaces

... driven ion acceleration studies predominantly focus on protons, which experience the maximum acceleration owing to their highest charge-to-mass ...preferential acceleration of a particular ...

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Ion acceleration by parallel propagating nonlinear Alfvén wave packets in a radially expanding plasma

Ion acceleration by parallel propagating nonlinear Alfvén wave packets in a radially expanding plasma

... The polarization of the imposed waves does not affect the time evolution of the system, since the wave dispersion due to the Hall effect and the finite Larmor radius effect is ne- glected in the present model. Notice ...

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Energy exchange via multi-species streaming in laser-driven ion acceleration

Energy exchange via multi-species streaming in laser-driven ion acceleration

... starting acceleration of a population of ...the ion-ion acoustic instability achieving saturation (observed in the phase-space vortex formed in Fig ...

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Design and Construction of a 100 KeV Ion Acceleration for Implantation Studies  EUR 4753

Design and Construction of a 100 KeV Ion Acceleration for Implantation Studies EUR 4753

... Main features of the machine are the following: — ion energy from some keV to 100 keV for singly ionized atoms; high voltage split in two steps one before and one after the magnet to ens[r] ...

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On the possibility of identifying heavy ion acceleration processes in the magnetotail of Mars

On the possibility of identifying heavy ion acceleration processes in the magnetotail of Mars

... sheet acceleration is likely to contribute up to 70%, and from 30 to 70% of the heavy ion energy is provided by the accelera- tion due to magnetic field line stresses (and/or electric field aligned ...

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