铯原子宇称破坏的一种新表现：线偏振6S-7S激发诱导的手征光学增益
A new Manifestation of Atomic Parity Violation in Cesium: a Chiral Optical Gain induced by linearly polarized 6S-7S Excitation
摘要：
我们已经检测到，通过使用受激发射，原子宇称破坏（APV）的形式的手征光学增益的铯蒸汽上的7S - 6P $_{3/2}$过渡，连续线偏振6S-7S激发。我们证明了这种检测方法的APV的有效性，通过提出一个9%的准确测量预期的符号和幅度。我们强调了这种全新方法的几个优点，其中可以充分利用圆柱对称的设置。未来在百分比水平上的测量将为通过不同方法获得的现有更精确结果提供重要的交叉检查。
英文摘要：
We have detected, by using stimulated emission, an Atomic Parity Violation (APV) in the form of a chiral optical gain of a cesium vapor on the 7S - 6P$_{3/2}$ transition,consecutive to linearly polarized 6S-7S excitation. We demonstrate the validity of this detection method of APV, by presenting a 9% accurate measurement of expected sign and magnitude. We underline several advantages of this entirely new approach in which the cylindrical symmetry of the set-up can be fully exploited. Future measurements at the percent level will provide an important cross-check of an existing more precise result obtained by a different method.
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