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首页> 外文期刊>High energy density physics >A direct-drive exploding-pusher implosion as the first step in development of a monoenergetic charged-particle backlighting platform at the National Ignition Facility
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A direct-drive exploding-pusher implosion as the first step in development of a monoenergetic charged-particle backlighting platform at the National Ignition Facility

机译:作为国家点火装置开发单能带电粒子背光平台的第一步,直接驱动爆炸式内爆

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A thin-glass-shell, (DHe)-He-3-filled exploding-pusher inertial confinement fusion implosion at the National Ignition Facility (NIF) has been demonstrated as a proton source that serves as a promising first step toward development of a monoenergetic proton, alpha, and triton backlighting platform at the NIF. Among the key measurements, the (DHe)-He-3-proton emission on this experiment (shot N121128) has been well-characterized spectrally, temporally, and in terms of emission isotropy, revealing a highly monoenergetic (Delta E E similar to 4%) and isotropic source (similar to 3% proton fluence variation and similar to 0.5% proton energy variation). On a similar shot (N130129, with D-2 fill), the DD-proton spectrum has been obtained as well, illustrating that monoenergetic protons of multiple energies may be utilized in a single experiment. These results, and experiments on OMEGA, point toward future steps in the development of a precision, monoenergetic proton, alpha, and triton source that can readily be implemented at the NIF for backlighting a broad range of high energy density physics (HEDP) experiments in which fields and flows are manifest, and also utilized for studies of stopping power in warm dense matter and in classical plasmas. (C) 2016 Elsevier B.V. All rights reserved.
机译:美国国家点火装置(NIF)的薄玻璃壳(DHe)-He-3填充爆炸式惯性约束聚变内爆已被证明是质子源,可作为迈向单能发电的有希望的第一步NIF的质子,alpha和triton背光平台。在关键测量中,该实验的(DHe)-He-3-质子发射(发射N121128)已在光谱,时间和发射各向同性方面得到了很好的表征,显示出高单能(Delta EE约为4% )和各向同性源(类似于3%的质子注量变化和类似于0.5%的质子能量变化)。在类似的射击(带有D-2填充的N130129)上,也获得了DD质子谱,这说明可以在单个实验中利用多种能量的单能质子。这些结果以及在OMEGA上进行的实验都指向了开发精密,单能质子,α和Triton光源的未来步骤,这些光源可以很容易地在NIF上实现,以背光各种高能量密度物理(HEDP)实验。哪些场和流是明显的,并且还用于研究热致密物质和经典等离子体中的停止功率。 (C)2016 Elsevier B.V.保留所有权利。

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