论文标题
冷倒钩$^+$分子的生命和死亡
Life and death of a cold BaRb$^+$ molecule inside an ultracold cloud of Rb atoms
论文作者
论文摘要
我们研究了单个倒钩$^+$分子的演变，同时它与Ultracold RB原子不断相撞。最初结合的分子可以经历一系列弹性，非弹性，反应性和辐射过程。我们通过开发方法来区分不同离子物种，电子状态和动力离子能量范围来研究这些过程。通过将测量值与模型计算进行比较，我们通过可用的原子和分子状态的歧管获得了离子典型轨迹的一致描述。进一步的结果，我们确定了碰撞和辐射弛豫的速率以及光解离，自旋碰撞碰撞和化学反应。
We study the evolution of a single BaRb$^+$ molecule while it continuously collides with ultracold Rb atoms. The initially weakly-bound molecule can undergo a sequence of elastic, inelastic, reactive, and radiative processes. We investigate these processes by developing methods for discriminating between different ion species, electronic states, and kinetic ion energy ranges. By comparing the measurements to model calculations we obtain a consistent description of the typical trajectory of the ion through the manifold of available atomic and molecular states. As a further result, we determine rates for collisional and radiative relaxation as well as photodissociation, spin-flip collisions, and chemical reactions.
