Abstract:Collisional alignment in the supersonic expansion of oxygen seeded in lighter carriers allows to produce rotationally aligned beams which were used to study the sticking probability, S, and the reactivity, P co 2 , of helicoptering and cartwheeling O 2 in the lowest rotational state impinging normally onto Pd(100). Molecules with different rotational alignment are thereby chosen by mechanically selecting either the slow or the fast speed tail of the beam velocity distribution. Here we show for O 2 reacting wit… Show more
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