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electron bunch

Plasma density shaping for attosecond electron bunch generation

Plasma density shaping for attosecond electron bunch generation

... Several techniques to generate density downramps through density spikes have been inves- tigated. The most successful is a multiple nozzle design. A single nozzle with a cylindrical hole produces a Gaussian density ...

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Demonstration of passive plasma lensing of a laser wakefield accelerated electron bunch

Demonstration of passive plasma lensing of a laser wakefield accelerated electron bunch

... the electron beam is ...the bunch density can be estimated n b ≈ 2 × 10 15 =cm 3 assuming a charge of 5 ...the bunch are obtained from the 3D ...the bunch. The bunch is moving into þ x ...

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Optical plasma torch electron bunch generation in plasma wakefield accelerators

Optical plasma torch electron bunch generation in plasma wakefield accelerators

... sharp electron density transitions in front of the electron beam-driven plasma wave to trigger ...plasma electron density shaping at the exit and entrance of a plasma electron accelerator ...

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Preliminary measurements for a sub-femtosecond electron bunch length diagnostic

Preliminary measurements for a sub-femtosecond electron bunch length diagnostic

... ultrashort electron beams, espe- cially for bunch lengths shorter than half of the laser wave- length where the RF deflector is no longer ...RF-accelerated electron beams has been discussed in [15], ...

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Ultracold electron bunch generation via plasma photocathode emission and acceleration in a beam-driven plasma blowout

Ultracold electron bunch generation via plasma photocathode emission and acceleration in a beam-driven plasma blowout

... plasma electron blowout is of paramount importance, since it defines the initial phase space volume and position within the ...the electron source with the main accelerator ...

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Demonstration of self-truncated ionization injection for GeV electron beams

Demonstration of self-truncated ionization injection for GeV electron beams

... positions are shown in the longitudinal phase-space graph in Fig. 5c. There are two injection locations, the main injection occurred during the first 1 mm where a large group of electrons was trapped then a rapid ...

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Realising single-shot measurements of quantum radiation reaction in high-intensity lasers

Realising single-shot measurements of quantum radiation reaction in high-intensity lasers

... simulations) which in turn determines the signal-to-noise on collision with the counter-propagating laser pulse. We have assumed that the transverse momentum of the electrons is initially uncorrelated to their position. ...

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Concurrence of monoenergetic electron beams and bright X-rays from an evolving laser-plasma bubble

Concurrence of monoenergetic electron beams and bright X-rays from an evolving laser-plasma bubble

... quasi-monoenergetic electron bunch and a bright betatron X-ray emission, where the betatron X-rays are associated with another electron bunch with a broad energy spread and a large wiggling ...

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Hot spots and dark current in advanced plasma wakefield accelerators

Hot spots and dark current in advanced plasma wakefield accelerators

... current electron beam is used to reach the blowout ...compressed electron beams with durations down to tens of femtoseconds and currents up to 30 ...the electron beam driver is utilized to optically ...

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Dense attosecond electron sheets from laser wakefields using an up-ramp density transition

Dense attosecond electron sheets from laser wakefields using an up-ramp density transition

... dense electron bunch at the transition to a following density ...boosted electron sheet can be produced carrying unique char- acteristics, such as density well above n c , attosecond ...

5

Electron and photon beams interacting with plasma

Electron and photon beams interacting with plasma

... short electron bunch is approximately constant, as long as velocity dispersion effects can be ...an electron bunch is usually limited by the driver energy ...

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Attosecond electron bunches from a nanofiber driven by Laguerre-Gaussian laser pulses

Attosecond electron bunches from a nanofiber driven by Laguerre-Gaussian laser pulses

... attosecond electron bunch train efficiently from a laser-driven nanofiber ...attosecond electron bunches are first dragged out by the radial laser electric fields and are quickly phase-locked and ...

9

AWAKE readiness for the study of the seeded self modulation of a 400 GeV proton bunch

AWAKE readiness for the study of the seeded self modulation of a 400 GeV proton bunch

... injected electron bunch to a high energy (multi-GeV) with a narrow final energy spread and with preservation of the incoming bunch emittance (at the mm-mrad ...+ bunch and from ...

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Generation of attosecond electron bunches in a laser-plasma accelerator using a plasma density upramp

Generation of attosecond electron bunches in a laser-plasma accelerator using a plasma density upramp

... Attosecond electron bunches and attosecond radiation pulses enable the study of ultrafast dynamics of matter in an unprecedented ...duration electron bunches from laser-wakefield acceleration in plasma with ...

5

Proton driven plasma wakefield acceleration in AWAKE

Proton driven plasma wakefield acceleration in AWAKE

... proton bunch modulates (until saturation is reached) into a micro-bunch train in the self- ...short electron bunch (σ ∼ 100 fs) is injected into the stable wakefields (driven by the microbunch ...

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Calculation of bunchers in linear electron 
		accelerators with standing wave

Calculation of bunchers in linear electron accelerators with standing wave

... The calculation of the buncher was reduced to the determination of the phase velocities and the electric field strength in all the cells of the buncher. The greatest attention was paid to the analysis of the first cell, ...

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Selection of the parental combinations through multivariate analysis in dessert banana genotypes for hybridization programme

Selection of the parental combinations through multivariate analysis in dessert banana genotypes for hybridization programme

... to be at par with the check variety Grand Naine (376.38 days). Pooled mean revealed that Grand Naine was unique amongst all, having the highest bunch length (66.83 cm) and none of the local and national cultivar ...

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Factorial combination of manure rates and bunch pruning intensities influenced bunch physical traits of two plantain (Musa Spp. AAB) genotypes

Factorial combination of manure rates and bunch pruning intensities influenced bunch physical traits of two plantain (Musa Spp. AAB) genotypes

... in bunch and fruit yield observed with pruning could be attributed to the reduction in sink size, thereby concentrating assimilates in a smaller sink ...the bunch, but chan- nelled for the optimum growth of ...

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Peckinpah: Violence, Betrayal and the American Auteur

Peckinpah: Violence, Betrayal and the American Auteur

... Another of Peckinpah’s auteur characteristics is that of personal betrayal as an element of the plot. In The Wild Bunch, the two characters Pike Bishop and Deke Thornton deal with the effects of betraying people. ...

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Solving Downgrade and DoS Attack Due to the Four Ways Handshake Vulnerabilities (WIFI)

Solving Downgrade and DoS Attack Due to the Four Ways Handshake Vulnerabilities (WIFI)

... Identification of 20 sample plots observation was doing through primary and secondary data which was connected to the block map of company / estate sample locations, each observation sample plot point was identified with ...

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