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29 March 2024
 
  » arxiv » physics/0112050

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Scattering length of the ground state Mg+Mg collision
E. Tiesinga ; S. Kotochigova ; P. S. Julienne ;
Date 18 Dec 2001
Subject Atomic Physics | physics.atom-ph
AbstractWe have constructed the X 1SIGMAg+ potential for the collision between two ground state Mg atoms and analyzed the effect of uncertainties in the shape of the potential on scattering properties at ultra-cold temperatures. This potential reproduces the experimental term values to 0.2 inverse cm and has a scattering length of +1.4(5) nm where the error is prodominantly due to the uncertainty in the dissociation energy and the C6 dispersion coefficient. A positive sign of the scattering length suggests that a Bose-Einstein condensate of ground state Mg atoms is stable.
Source arXiv, physics/0112050
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