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Fusion neutron production during deuterium neutral-beam injection into the PLT tokamak

J.D. Strachan, P.L. Colestock, S.L. Davis, D. Eames, P.C. Efthimion, H.P. Eubank, R.J. Goldston, L.R. Grisham, R.J. Hawryluk, J.C. Hosea1981年被引用 81Nuclear FusionIF 3出版社

Fusion neutron emission of 1.5 × 1014 neutrons · s−1 and 2 × 1013 neutrons/pulse has been observed for PLT deuterium discharges with up to 2.5 MW of deuterium neutral-beam injection. The neutron time evolution and magnitude are consistent with theoretical calculations of the fusion reactions caused by energetic injected ions which are confined and slow down classically. The factor-of-two accuracy in the absolute neutron calibration is the major uncertainty in the comparison with theory. Neutron sawtooth oscillations (⪅ 3%) are observed which can also be explained classically.

日本語訳

1.5 × 10¹⁴ 中性子・s⁻¹および2 × 10¹³ 中性子/パルスの核融合中性子放出が、最大2.5 MWの中性粒子ビーム入射を伴うPLT重水素放電において観測された。中性子の時間発展と大きさは、閉じ込められ古典的に減速する高エネルギー入射イオンによって引き起こされる核融合反応の理論計算と一致している。絶対中性子校正における2倍の精度が、理論との比較における主要な不確実性である。鋸歯状振動に伴う中性子の振動(≲3%)も観測されており、これも古典的に説明可能である。

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DeuteriumNeutral beam injectionFusion neutronPLT
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