论文标题
鉴定光激发核碱基的衰减途径
Identification of the decay pathway of photoexcited nucleobases
论文作者
论文摘要
在被紫外线（UV）光传递后，核酶尿嘧啶的衰减途径的鉴定一直是一个长期存在的问题。已经提出了各种理论模型，但尚未得到验证。在这里，我们提出了一种实验方案，通过超快X射线光谱，X射线衍射和电子衍射方法的组合来测试理论模型。结合了多种探测方法的签名，我们展示了一种方法来识别光激发尿嘧啶分子的几何和电子松弛的途径。
The identification of the decay pathway of the nucleobase uracil after being photoexcited by ultraviolet (UV) light has been a long standing problem. Various theoretical models have been proposed but yet to be verified. Here we propose an experimental scheme to test the theoretical models by a combination of ultrafast X-ray spectroscopy, X-ray diffraction and electron diffraction methods. Incorporating the signatures of multiple probing methods, we demonstrate an approach to identify the pathway of the geometric and electronic relaxation of the photoexcited uracil molecule.
