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Matter-Wave Metrology as a Complementary Tool for Mass Spectrometry

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  • This work was supported by the Austrian FWF as part of the programs SFB F15, START Y177, and COQUS, the Swiss National Science Foundation, and by the ESF EuroQuasar program MIME.

Abstract

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Quantum interferometry can serve as a useful complement to mass spectrometry. The interference visibility (see picture) reveals important information on molecular properties, such as mass and polarizability. The method is applicable to a wide range of molecules, and is particularly valuable for characterizing neutral molecular beams. In particular, fragmentation in the source can be distinguished from molecular dissociation in the detector.

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