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キーワード:
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要旨:
A molecular synchrotron offers unique possibilities to study molecular collisions at low energies. For such a study, it is imperative that the velocity of the stored molecules can be tuned over a wide range. Bunching elements, used to provide the necessary longitudinal focusing forces in a synchrotron, introduce instabilities for certain velocities of the stored molecules. Here we present an experimental study of these motional resonances and show how they can be avoided. A packet of ND3 molecules is stably confined in the synchrotron as its injection velocity is continuously scanned from 60 m/s Ekin=3.0 cm−1 to 87.5 m/s Ekin=6.4 cm−1 .
