Intense, Directed Neutron Beams From A Laser-Driven Neutron Source At Phelix
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https://zenodo.org/record/1230309
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Laser-driven neutrons are generated by the conversion of laser-accelerated ions via<br>
nuclear reactions inside a converter material. We present results from an experimental<br>
campaign at the PHELIX laser at GSI in Darmstadt where protons and deuterons<br>
were accelerated from thin deuterated plastic foils with thicknesses in the m and sub-<br>
m range. The neutrons were generated inside a sandwich-type beryllium converter,<br>
leading to reproducible neutron numbers around 10<sup>11</sup> neutrons per shot. The angular<br>
distribution was measured with a high level of detail using up to 30 bubble detectors<br>
simultaneously. It shows a laser forward directed component of up to 1.42 x 10<sup>10</sup><br>
neutrons per steradian, corresponding to a dose of 43 mrem scaled to a distance of<br>
1m from the converter.
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Zenodo创建时间：
2018-04-26
