The Study of State-to-State Ion Molecule Reactions (Physics)

离子可以通过光电子、光离子符合或多光子电离来选择状态。这两种方法都将被用来研究反应截面与离子内能的关系。通过测量产物离子的平动能，也可以确定反应产物的内能。这种态到态的截面将被测量用于硅藻类之间的各种反应，以及某些三原子离子与各种中性反应伙伴的电荷转移反应。此外，还将用各种碰撞伙伴测量特定反应的碰撞诱导解离截面。这些调查的结果将提供足够的信息，以便为各种类型的反应建立模型。巧合研究将在巴黎大学的同步加速器设施中进行，而基于激光的实验将在教堂山进行。

Ions can be state selected by either photoelectron photoion coincidence, or by multiphoton ionization. Both methods will be used in order to investigate the dependence of the reaction cross section on the ion internal energy. By measuring the product ion translational energy, it is also possible to determine the internal energy of the reaction products. Such state-to-state cross sections will be measured for a variety of reactions between diatomics, as well as the charge transfer reactions of certain triatomic ions with a variety of neutral reaction partners. In addition, the collision induced dissociation cross sections for particular reactions will be measured with a variety of collision partners. The results of these investigations will provide sufficient information to allow the formulation of models for the various types of reactions. The coincidence studies will be carried out at the synchrotron facility of the University of Paris, while the laser based experiments will be carried out in Chapel Hill.