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  1. 1 Acta Physica Polonica A

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  1. 1 2017

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  1. 1 Ray H.

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The Elastic Collision of Two H-Like Atoms Including the Exotic Ps and Mu

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Ray H.
Acta Physica Polonica A
|
2017
|
vol. 132
|
issue 5
1473-1477
EN
Elastic collision between two H-like atoms using the ab initio static-exchange model (SEM) and a modified static-exchange model (MSEM) at cold energies are investigated in the center of mass frame considering the system as a four-body Coulomb problem where all the Coulomb interaction terms in the direct and exchange channels are treated exactly. The importance of an exact calculation to find basic physics is highlighted. In addition, the dependence of scattering length on the van der Waals interaction between the atoms and the dependence of scattering length on reduced-mass of the system are derived which is completely new information in the field of science.
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