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Scattering Length of the Ground-State Mg+Mg Collision



Eite Tiesinga, Svetlana A. Kotochigova, Paul S. Julienne


We have constructed the $XA I \Sigma_g^+ $ potential for the collision between two ground state Mg atoms andanalyzed 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 CM$^{-l }$ and has a scattering length of +1.4(5) nmwhere the error is predominantly due to the uncertainty in the dissociation energy and the $C_6$ dispersioncoefficient. A positive sign of the scattering length suggests that a Bose-Einstein condensate of ground state Mgatoms is stable.
Physical Review A (Atomic, Molecular and Optical Physics)
No. 4


cold collisions, electronic structure calculations, interatomic potentials, magnesium dimer


Tiesinga, E. , Kotochigova, S. and Julienne, P. (2002), Scattering Length of the Ground-State Mg+Mg Collision, Physical Review A (Atomic, Molecular and Optical Physics) (Accessed April 18, 2024)
Created April 1, 2002, Updated February 17, 2017