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首页> 外文期刊>Applied physics >Prospects of operating a caesium fountain clock at zero collisional frequency shift
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Prospects of operating a caesium fountain clock at zero collisional frequency shift

机译：在零碰撞频移下运行铯喷泉时钟的前景

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Recently it has been shown both theoretically and experimentally that, for certain operating conditions of a caesium fountain primary frequency standard, the cold-collision frequency shift, which can be a limit to the accuracy of the standard, strongly varies with the clock state composition and can be cancelled. This offers the intriguing prospect of operating a fountain standard at the zero-shift point, where no correction for collisions needs to be applied. We estimate expected improvements in the standard's accuracy and a potential shortening of the averaging time. Lastly, we derive relevant requirements for the key experimental parameters.
机译：最近，无论从理论上还是从实验上都表明，对于铯源喷泉主频率标准的某些运行条件，冷碰撞频移（可能是标准精度的限制）会随着时钟状态组成和可以取消。这提供了在零偏移点运行喷泉标准的有趣前景，在该零偏移点无需应用碰撞校正。我们估计该标准的准确性有望得到改善，并且平均时间可能会缩短。最后，我们得出了关键实验参数的相关要求。

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