• Aucun résultat trouvé

[PDF] Top 20 Energy boost in laser wakefield accelerators using sharp density transitions

Has 10000 "Energy boost in laser wakefield accelerators using sharp density transitions" found on our website. Below are the top 20 most common "Energy boost in laser wakefield accelerators using sharp density transitions".

Energy boost in laser wakefield accelerators using sharp density transitions

Energy boost in laser wakefield accelerators using sharp density transitions

... The energy gain in laser wakefield accelerators is limited by dephasing between the driving laser pulse and the highly relativistic electrons in its ...plasma ... Voir le document complet

8

Electron bunch diagnostics for laser-plasma accelerators, from THz to X-rays

Electron bunch diagnostics for laser-plasma accelerators, from THz to X-rays

... tunable laser-plasma accelerators (LPAs) [9, ...r.m.s. energy spread, most of present LPAs [39, 41, 40] still rely on transverse wavebreaking effects [19] of highly nonlinear waves [57] to inject ... Voir le document complet

197

Electron Rephasing in a Laser-Wakefield Accelerator

Electron Rephasing in a Laser-Wakefield Accelerator

... for energy gain in laser-plasma wakefield accelerators is the dephasing length, after which the electron beam reaches the decelerating region of the wakefield and starts to ... Voir le document complet

6

Ion acceleration from laser-plasma interaction in underdense to near-critical regime: wakefield effects and associated plasma structures

Ion acceleration from laser-plasma interaction in underdense to near-critical regime: wakefield effects and associated plasma structures

... 关1–3兴. Laser-accelerated proton beams show a half divergence of ⬇10°, decreasing for higher energies, and a good laminarity ...the laser energy is primarily trans- ferred to electrons in the ... Voir le document complet

222

Density Profile Measurements in LDX using Microwave Reflectometry

Density Profile Measurements in LDX using Microwave Reflectometry

... Even in this ideal scenario it was seen to drift slightly over time with the changing temperature of the ...GHz in 40 ms but the high accuracy needed of < 100 Hz at this scan rate may be outside the ... Voir le document complet

11

Experimental strain energy density dissipated in SAC305 solder joints during different thermal cycling conditions using strain gages measurements

Experimental strain energy density dissipated in SAC305 solder joints during different thermal cycling conditions using strain gages measurements

... strain energy density ...conducted in order to determine the elastic, plastic and viscoplastic models associated with the solder material ...implemented in FEM software to allow the ... Voir le document complet

9

Energy Aware Self-Organizing Density Management in Wireless Sensor Networks

Energy Aware Self-Organizing Density Management in Wireless Sensor Networks

... described in Fig 2(a) confirms our theoretical analysis and shows the result of our router selection after three simulation rounds: this simulation leads to 50 router- sensor nodes (black circles) for 450 ... Voir le document complet

8

Robust optical clock transitions in trapped ions using dynamical decoupling

Robust optical clock transitions in trapped ions using dynamical decoupling

... the in fluence of different parameters on this shift can be developed from simulation results for the scaling of the shift of the robust transition as a function of the magnitude of the individual shifts, namely, ... Voir le document complet

19

Effects of coal sampling density on the elemental analysis by using laser-induced breakdown spectroscopy

Effects of coal sampling density on the elemental analysis by using laser-induced breakdown spectroscopy

... 关 键 词 : 煤 ; 致密度 ; 激光诱导击穿光谱 ; 谱线强度 ; 相对标准偏差 中图分类号 : TQ533. 6 ; O657. 3 文献标识码 : A 文章编号 : 1671 2 4512 (2009) 02 2 0112 2 05 Effects of coal 2 sa mpl ing density on the elemental analysis by using laser ... Voir le document complet

5

Revisiting a speciation classic: Comparative analyses support sharp but leaky transitions between Bombina toads

Revisiting a speciation classic: Comparative analyses support sharp but leaky transitions between Bombina toads

... zones in time and space, we mapped the main mitochondrial clades reported by Fijarczyk et ...preserved in 96% ethanol) or specimens of the ZISP (Zoological Institute of Russian Academy of Sciences, ... Voir le document complet

21

Testing Lorentz Invariance using Zeeman Transitions in Atomic Fountains

Testing Lorentz Invariance using Zeeman Transitions in Atomic Fountains

... atomic transitions in [7], [8] we have chosen the measurement of a particular combination of transitions in the 133 Cs ...SME energy shift of the proton (as defined in [7]) ... Voir le document complet

6

Encircling the dark: constraining dark energy via cosmic density in spheres

Encircling the dark: constraining dark energy via cosmic density in spheres

... the density within concentric spheres for a given cosmology as a function of redshift in the mildly non-linear ...dark energy experiment was imple- mented while fitting, in the maximum ... Voir le document complet

8

Fast simulation of temperature and phase transitions in directed energy deposition additive manufacturing

Fast simulation of temperature and phase transitions in directed energy deposition additive manufacturing

... directed energy deposition. Phase transitions and latent heat have been consid- ered as well as the power extracted by the gas flow used for carrying the ...sources in semi-infinite ...combined ... Voir le document complet

43

Psi_B-energy operator and cross-power spectral density

Psi_B-energy operator and cross-power spectral density

... xy ðf Þ is averaged over sufficiently many experiments, it catches well the spectral peaks of x ( Fig. 1 (a)) in spite of the low signal to noise ratio ( Fig. 1 (d)). Due to its connection with spectra it is clear ... Voir le document complet

6

Particle acceleration with beam driven wakefield

Particle acceleration with beam driven wakefield

... still in use in world-class facilities. The very first accelerators were electrostatic ones, such as the Van de Graaff accelerator invented in the late 1920s [Van de Graaf ...were using ... Voir le document complet

145

Sur un théorème de M. Sharp

Sur un théorème de M. Sharp

... Terms and Conditions The Göttingen State and University Library provides access to digitized documents strictly for noncommercial educational, research and private purposes and makes no warranty with regard to their use ... Voir le document complet

3

Evidence of noncollisional femtosecond laser energy deposition in dielectric materials

Evidence of noncollisional femtosecond laser energy deposition in dielectric materials

... dynamics in the bulk of large band gap dielectric crystals induced by intense femtosecond laser pulses at 800 nm is ...With laser intensities (a few 10 TW /cm 2 ) under the ablation threshold, ... Voir le document complet

7

Psi_B-energy operator and cross-power spectral density

Psi_B-energy operator and cross-power spectral density

... xy ðf Þ is averaged over sufficiently many experiments, it catches well the spectral peaks of x ( Fig. 1 (a)) in spite of the low signal to noise ratio ( Fig. 1 (d)). Due to its connection with spectra it is clear ... Voir le document complet

7

Assessment of smoke density with a helium-neon laser

Assessment of smoke density with a helium-neon laser

... Differences due solely to the wavelength-dependence of scatter would lead to a roughly inverse relation between wavelength and ex- tinction coefficient, provided that pa[r] ... Voir le document complet

10

Numerical Integration of the Negative Energy Density in the Natario Warp Drive Spacetime using $3$ different Natario Shape Functions

Numerical Integration of the Negative Energy Density in the Natario Warp Drive Spacetime using $3$ different Natario Shape Functions

... first in 1994 due to the work of ...8 in [1])(pg 1 in [2]). Later on in 2001 another warp drive appeared due to the work of ...floating in the surface of a river but carried out by the ... Voir le document complet

25

Show all 10000 documents...