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The recently completed second-generation Neutralized Drift Compression eXperiment (NDCX-II)1 provides a very tool for the understanding of “warm dense matter” (WDM) as well as for heavy ion fusion (HIF). The latest status of NDCX-II is to accelerate 50 nC Li+ to 130 keV and compresses the beam with 7 induction cells (accelerating elements). The duration of the ion beam will be shortened from 500 ns...
In this paper we calculated the mechanical properties of graphene nanoribbons under tensile strains. Then the influence of tensile strain on electron transport properties is studied with first-principles calculations.
Our calculations suggest that experiments relating to disk heating, as well as beam deposition, focusing and transport can be performed within the context of current design proposals for accelerator test-facilities. Since the test-facilities have lower ion kinetic energy and beam pulse power as compared to reactor drivers, we achieve high-beam intensities at the focal spot by using short focal distance...
A heavy ion beam propagating through a hard or near vacuum (< 10−3 torr) is subject to eraittace growth due to the phase space distortions caused by enharmonic self-forces. If the distortion remains uncorrected, an enlarged focal spot results. Analytic predictions of an increase in rms emittance and focal spot size are given for the hard vacuum case and are shown to agree with computer simulations...
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