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Science 24 February 1967:
Vol. 155. no. 3765, pp. 997 - 999
DOI: 10.1126/science.155.3765.997
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Articles

Molecular Beams with Energies above One Electron Volt

N. Abuaf 1, J. B. Anderson 1, R. P. Andres 1, J. B. Fenn 1, and D. G. H. Marsden 1

1 Beam Kinetics Laboratory, School of Engineering and Applied Science, Princeton University, Princeton, New Jersey

By using as sources supersonic jets of hydrogen or helium containing small concentrations of heavier molecules we have been able to obtain molecular beams with kinetic energies of the heavy molecules well into the range above I electron volt. A variety of molecules have been successfully accelerated. Intensities of 1016 to 1017 heavy molecules per steradian-second have been achieved at these high energies.


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