نتایج جستجو برای: plasma accelerator
تعداد نتایج: 370240 فیلتر نتایج به سال:
A plasma-based wakefield acceleration (PWFA) experiment is proposed that will accelerate parts of an SLC bunch by up to 1 GeV/m over a length of 1 m. A single SLC bunch is used to both induce wakefields in the one meter long plasma and to witness the resulting beam acceleration. The proposed experiment will -explore and further develop the techniques that are needed to apply high-gradient plasm...
Accelerator-based experiments have produced key breakthroughs in our understanding of the physical world. New accelerators, to explore the frontiers of Tera-scale Physics, appear possible, based on concepts developed over the last three decades in multi-disciplinary endeavors. The Plasma-Based Particle Accelerator is one concept that has made spectacular advances in the last few years. In this ...
All-optical ideas provide a potential to dramatically cut off the size and cost of x-ray light sources to the university-laboratory scale, with the combination of the laser-plasma accelerator and the laser undulator. However, the large longitudinal energy spread of the electron beam from laser-plasma accelerator may hinder the way to high brightness of these all-optical light sources. In this p...
A proposed GeV plasma beatwave accelerator (PBWA) requires a high power 1 pm laser running on two frequencies. The vacuum interaction between such a laser and a relativistic electron beam is one mechanism whereby the electrons can be bunched such that when injected into the PBWA they occupy only small regions of phase situated at the peaks of the accelerating field. This is exactly what is requ...
The influence of glucose, given orally and intravenously, on the acceleration of plasma dotting and appearance of lipemia following the feeding of peanut oil was determined in dogs. Oral glucose blocked or masked the appearance of plasma laetescence and clotting accelerator activity, whereas intravenous administration tended to delay their appearance. In other experiments heparin abolished or r...
FACET—Facilities for Accelerator science and Experimental Test beams at SLAC—will provide high-energy-density electron and positron beams with peak currents of roughly 20 kA that will be focused down to a 10μm× 10μm transverse spot size at an energy of ∼23GeV. With FACET, the SLAC linac will support a unique program concentrating on second-generation research in plasma wakefield acceleration. T...
Recent simulations have shown that a high-energy proton bunch can excite strong plasma wakefields and accelerate a bunch of electrons to the energy frontier in a single stage of acceleration. This scheme could lead to a future ep collider using the LHC for the proton beam and a compact electron accelerator of length 170 m, producing electrons of energy up to 100 GeV. The parameters of such a co...
Abstract Plasma-based accelerators use the strong electromagnetic fields that can be supported by plasmas to accelerate charged particles high energies. Accelerating field structures in plasma generated powerful laser pulses or particle beams. This research has recently transitioned from involving a few small-scale efforts development of national and international networks scientists substantia...
One of the interesting Laser-Plasma phenomena, when the laser power is high and ultra intense, is the generation of large amplitude plasma waves (Wakefield) and electron acceleration. An intense electromagnetic laser pulse can create plasma oscillations through the action of the nonlinear pondermotive force. electrons trapped in the wake can be accelerated to high energies, more than 1 TW. Of t...
In recent experiments plasma electrons became trapped in a plasma wakefield accelerator (PWFA). The transverse size of these trapped electrons on a downstream diagnostic yields an upper limit measurement of transverse normalized emittance divided by peak current, εN,x/I. The lowest upper limit for εN,x/I measured in the experiment is 1.3 ·10−10m/A.
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