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  Decelerating molecules with microwave fields

Merz, S., Vanhaecke, N., Jaeger, W., Schnell, M., & Meijer, G. (2012). Decelerating molecules with microwave fields. Physical Review A, 85(6): 063411. doi:10.1103/PhysRevA.85.063411.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0010-1509-E Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0010-150A-C
Genre: Journal Article

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e063411.pdf (Publisher version), 381KB
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 Creators:
Merz, Simon1, Author           
Vanhaecke, Nicolas1, Author           
Jaeger, Wolfgang2, Author
Schnell, Melanie3, 4, Author           
Meijer, Gerard1, Author           
Affiliations:
1Molecular Physics, Fritz Haber Institute, Max Planck Society, ou_634545              
2Department of Chemistry, University of Alberta, , Edmonton, Alberta T6G 2G2, Canada, ou_persistent22              
3Center for Free-Electron Laser Science, Notkestrasse 85, 22607 Hamburg, Germany, ou_persistent22              
4Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Societ, ou_904547              

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 Abstract: We report on the experimental realization of a microwave decelerator for neutral polar molecules, suitable for decelerating and focusing molecules in high-field-seeking states. The multistage decelerator consists of a cylindrical microwave cavity oscillating in the TE11n mode, with n=12 electric field maxima along the symmetry axis. By switching the microwave field on and off at the appropriate times, a beam of state-selected ammonia molecules with an incident mean velocity of 25 m/s is guided while being spatially focused in the transverse direction and bunched in the forward direction. Deceleration from 20.0 to 16.9 m/s and acceleration from 20.0 to 22.7 m/s are demonstrated.

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Language(s): eng - English
 Dates: 2012-01-0620122012-06-192012-06-19
 Publication Status: Issued
 Pages: 4
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevA.85.063411
 Degree: -

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Title: Physical Review A
  Other : Phys. Rev. A
Source Genre: Journal
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Publ. Info: New York, NY : Published by the American Physical Society through the American Institute of Physics
Pages: - Volume / Issue: 85 (6) Sequence Number: 063411 Start / End Page: - Identifier: ISSN: 1050-2947
CoNE: https://pure.mpg.de/cone/journals/resource/954925225012_2