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Water-cooled grid support for high-power irradiation with thin target windows.

机译:水冷格栅支架,用于薄目标窗的大功率辐照。

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摘要

A new thin window support system for the accelerator production of positron emitters (e.g. 17F, 18F 11C, 15O) has been developed. The integrated support grid and cooling design has been optimized for 6-13 MeV protons or deuterons. The water-cooled support grid regularly operated at > 100 microA of 6 MeV deuterons and protons. The grid performed without failure at > or = 50 microA of 13 MeV protons on a 3.1 MPa gas target using 25.4 microm aluminum target foil. Transmission for the smallest hole grid of 72% based on uniform parallel beam agreed with the measured yield of 71 +/- 1% compared to the theoretical maximum yield.
机译:已经开发了用于加速器生产正电子发射器(例如17F,18F,11C,15O)的新型薄窗支撑系统。集成的支撑格栅和冷却设计已针对6-13 MeV质子或氘核进行了优化。水冷式支撑栅通常以> 100 microA的6 MeV氘核和质子运行。使用25.4微米的铝靶箔,在3.1 MPa的气体靶上,≥50 microA的13 MeV质子在无故障的情况下完成了栅格工作。基于均匀平行光束的最小孔栅透射率为72%,与理论最大产率相比,实测产率为71 +/- 1%。

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