Deceleration and trapping of ammonia molecules in a traveling wave decelerator

Abstract

We have recently demonstrated static trapping of ammonia isotopologues in a decelerator that consists of a series of ring-shaped electrodes to which oscillating high voltages are applied [Quintero-Pérez et al., Phys. Rev. Lett. 110, 133003 (2013)]. In this paper we provide further details on this traveling wave decelerator and present new experimental data that illustrate the control over molecules that it offers. We analyze the performance of our setup under different deceleration conditions and demonstrate phase-space manipulation of the trapped molecular sample.

arXiv admin note: text overlap with arXiv:1301.2113

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• Deceleration of a supersonic beam of SrF molecules to 120 m/s
• Enhanced sensitivity to a possible variation of the proton-to-electron mass ratio in ammonia
• Measurements of trap dynamics of cold OH molecules using resonance enhanced multiphoton ionization