نتایج جستجو برای: electrostatic accelerator
تعداد نتایج: 41588 فیلتر نتایج به سال:
We describe the present status of an ongoing project to develop a Tandem-ElectroStatic-Quadrupole (TESQ) accelerator facility for Accelerator-Based (AB)-BNCT. The project final goal is a machine capable of delivering 30 mA of 2.4 MeV protons to be used in conjunction with a neutron production target based on the (7)Li(p,n)(7)Be reaction. The machine currently being constructed is a folded TESQ ...
Fermilab’s 4.3 MeV electron cooler is based on an electrostatic accelerator, which generates a DC electron beam in an energy recovery mode. Effective cooling of the antiprotons in the Recycler requires that the beam remains stable for hours. While short beam interruptions do not deteriorate the performance of the Recycler ring, the beam may provoke full discharges in the accelerator, which sign...
A numerical model of a two-stage free-electron laser (FEL) was developed that considers optical pumping and time-dependent electrostatic acceleration in the laser interaction region. Analytical solutions were obtained in weakand strong-signal limits that provide confidence in the predictions of the numerical model. The validated model predicts encouraging FEL performance when a high-current ele...
The main purpose of the Divertor Tokamak Test (DTT) facility is to study alternative solutions mitigate issue power exhaust under integrated physics and technical conditions relevant for an International Thermonuclear Experimental Reactor (ITER) a DEMOnstration Power Plant (DEMO). DTT will be equipped with 510-keV, 40-A neutral beam injector (NBI) based on negative deuterium ion particles, desi...
A series of implicit, electrostatic, twoand threedimensional, particle-in-cell simulations are used to model heavy ion beam neutralization and focusing in the Scaled Final Focus Experiment at the Lawrence Berkeley National Laboratory. The simulations confirm the charge neutralizing effect of electrons introduced into the beam path as the beam is focused and exiting the accelerator.
A dedicated AMS system for biochemical 14C measurements is being built at Center for Accelerator Mass Spectrometry. The system is centered around a National Electrostatics Corporation Model 3SDH-1 1-MV Pelletron accelerator and is designed to accept two ion sources. The LLNL 64-sample Cs-sputter ion source with its zoom lens beam line is attached to one port of the electrostatic switching eleme...
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