نتایج جستجو برای: plasma accelerator
تعداد نتایج: 370240 فیلتر نتایج به سال:
A plasma wakefield accelerator (PWFA) experiment is conducted at the Stanford Linear Accelerator Center. The experiment aims at studying the issues relevant to a meter-long plasma accelerator module in the context of an actual high-energy collider. The transverse dynamics issues include transport and focusing of the beam. The longitudinal dynamics issues are the loss and gain of energy by the b...
*This work is supported by the US DoE Grants No. DE-FG03-92ER40745, No. DE-AC03-76SF00515, No. DE-FG03-98DP00211, and No. DEFG03-92ER40727, and NSF grants No. ECS-9632735, and No. DMS-9722121. We would like to thank Dr. Peter Tsou of JPL for providing the aerogel. Abstract A plasma wakefield acceleration experiment is conducted at the Stanford Linear Accelerator Center. This experiment addresse...
in this research ideal magnetohydrodynamics equations (mhd) has been solved in a channel of quasi one dimensional plasma flow. magnetohydrodynamics equations, including continuity, momentum, energy and induced magnetic field equations are with the respect of the gauss magnetic condition. the implemented numerical solution is based on harten, lax, vanleer (hlld) discontinuities solution methods....
Characterization of the electron density in laser produced plasmas is presented using direct wavefront analysis of a probe laser beam. The performance of a laser-driven plasma-wakefield accelerator depends on the plasma wavelength and hence on the electron density. Density measurements using a conventional folded-wave interferometer and using a commercial wavefront sensor are compared for diffe...
Generating high-quality laser-plasma accelerated electron beams requires carefully balancing a plethora of physical effects and is therefore challenging---both conceptually in experiments. Here, we use Bayesian optimization key laser plasma parameters to flatten the longitudinal phase space an ionization-injected bunch via optimal beam loading. We first study concept with particle-in-cell simul...
A relatively simple method is presented which permits a quantitative estimation of a "coagulation accelerator activity" which appears in plasma of human and dog blood after oral ingestion of various fats. Accelerator activity and increased plasma turbidity were observed after ingestion of cream, peanut oil, cocoanut oil, linseed oil, or sodium oleate. Peak responses were seen between 3 and 5 ho...
To obtain a high quality electron beam with small energy spread in the laser driven plasma accelerator, the electrons have to be prebunched at the scale of the plasma wavelength. We study the feasibility of an experiment where an inverse free electron laser (IFEL) is used to bunch the electron beam before the injection into a plasma beatwave accelerator. It is suggested to drive the IFEL prebun...
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