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Browsing Mathematics by Author "Shadini, A.M.D.M."

Browsing Mathematics by Author "Shadini, A.M.D.M."

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  • Effect of long-range part of the potential on the elastic S-matrix element 
    Shadini, A.M.D.M.; Munasingha, J. (Sri Lanka Association for the Advancement of Science, 2011)
    The quantum mechanical three-body Schrödinger equation can be reduced to a set of coupled differential equations when the projectile is easily breakable into two fragments and when scattering is a heavy stable nucleus. ...
  • Physically meaningful zeros and poles of elastic S-matrix element 
    Amarasinghe, A.V.D.S.; Katunatileke, N.G.A.; Shadini, A.M.D.M. (Sri Lanka Association for the Advancement of Science, 2011)
    It is found that an essential singularity is introduced at the origin of the complex k-plane in the S-matrix element in addition to the infinite number of zeros and poles apparently introduced due to the Coulomb potential. ...

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