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Cancellation of the Collisional Frequency Shift in Caesium Fountain Clocks

机译:铯喷泉钟的碰撞频移的抵消

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We have observed that the collisional frequency shift in primary caesium fountain clocks varies with the clock state population composition and, in particular, is zero for a given fraction of the |F = 4, m_F = 0 > atoms, depending on the initial cloud parameters. We present a theoretical model explaining our observations. The possibility of the collisional shift cancellation implies an improvement in the performance of caesium fountain standards and a simplification in their operation.
机译:我们已经观察到,主要铯喷泉时钟中的碰撞频率偏移随时钟状态总体组成而变化,尤其是对于| F = 4的给定分数,m_F = 0>原子为零,具体取决于初始云参数。我们提供一个理论模型来解释我们的观察。碰撞偏移抵消的可能性意味着铯源标准液的性能得到改善,并且简化了其操作。

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