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首页> 外文期刊>Review of Scientific Instruments >Thin Liquid Sheets at Reduced Pressure and Applications in Nuclear Physics
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Thin Liquid Sheets at Reduced Pressure and Applications in Nuclear Physics

机译：减压薄液片及其在核物理中的应用

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摘要

Thin sheets of flowing water, up to 10 cm2 and 0.01–0.05 cm thick, were produced and investigated under reduced ambient pressures down to the natural vapor pressure. Their behavior was well represented by Taylor's theory. Measurements were made of the sheet thickness, and a schlieren system was used to estimate thickness variations, which could be limited to about 1% over areas of a few cm2. Preliminary studies were also made with jets and sheets of liquid oxygen under reduced pressures. A practical water target is described for time of flight measurements on the reaction 16O(p,n)16F with 30 and 50 MeV protons. It is pointed out that such targets sometimes have advantages over gaseous, solid, and conventional liquid targets, particularly with regard to defined geometry, low background, single nuclear species, and ability to be used with high beam intensities.
机译：产生并流动的薄水片，最大厚度为10 cm2，厚度为0.01-0.05 cm，并在降低的环境压力下降至自然蒸气压下进行研究。泰勒的理论很好地代表了他们的行为。测量板的厚度，并使用schlieren系统估算厚度变化，该变化在几平方厘米的面积上可以限制在1％左右。还对喷嘴和液态氧片在减压下进行了初步研究。描述了在具有30和50 MeV质子的反应16O（p，n）16F上的飞行时间测量的实际水目标。要指出的是，这样的靶有时比气态，固体和常规液体靶具有优势，特别是在确定的几何形状，低背景，单个核物种以及在高束强度下使用的能力方面。

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