Physics – Atomic Physics
Scientific paper
2007-12-10
Physics
Atomic Physics
7 pages, 5 figures
Scientific paper
10.1140/epjd/e2008-00001-y
We produce SO_2 molecules with a centre of mass velocity near zero using a Stark decelerator. Since the initial kinetic energy of the supersonic SO_2 molecular beam is high, and the removed kinetic energy per stage is small, 326 deceleration stages are necessary to bring SO_2 to a complete standstill, significantly more than in other experiments. We show that in such a decelerator possible loss due to coupling between the motional degrees of freedom must be considered. Experimental results are compared with 3D Monte-Carlo simulations and the quantum state selectivity of the Stark decelerator is demonstrated.
Bucicov O.
Jung Sunghoon
Lisdat Ch.
Meijer Gerard
Nowak Michael
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