标题： 钠分子$6^1Σ_g^+(v=9,J=31)$状态的温度依赖性辐射寿命测量 显示英文标题

标题： Temperature-dependent radiative lifetime measurement of the $6^1Σ_g^+(v=9,J=31)$ state of sodium molecules

摘要： 我们报告了使用高分辨率双共振光谱法对气相分子钠的$6^1\Sigma_g^+(v=9,J=31)$状态的辐射寿命的测量。 测量是在不同压力和温度下使用时间相关光子计数技术进行的。 辐射寿命是从零缓冲气体压力的外推得到的，称为斯蒂恩-沃尔默图，并且在593 K到653 K的温度范围内测定了辐射寿命的温度依赖性。 我们的结果在误差范围内与理论计算一致。 显示英文摘要

摘要： We report the measurement of radiative lifetimes of the $6^1\Sigma_g^+(v=9,J=31)$ state of gas-phase molecular sodium using a high-resolution double-resonance spectroscopy. Measurements were done using a time-correlated photon counting technique at various pressures and temperatures. Lifetimes were extracted from extrapolations to the zero buffer gas pressure, called Stern-Volmer plot, and the temperature-dependence of the radiative lifetimes were measured over a temperature range from 593 K to 653 K. Our result agrees well within the error limits with the theoretical calculations.