Variational treatment of continuum orbitals for Auger electrons emitted from neon

Moussa, A.; Mostafa, Gehan Mostafa Hamed; Khazbak, A.

doi:10.1016/s0022-4073(02)00087-0

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2010

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“…It was applied to obtain the wave function of the continuum Auger electron emitted from an ionized Ne atom [20] and developed to study positron-H molecules scattering [21]. Good results were obtained in the former calculations.…”

Section: Introductionmentioning

confidence: 99%

Variational calculation of low-energy positron life time in Xe atoms

Abdel-Mageed

2010

Braz. J. Phys.

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The least-squares variational method (LSVM) is used for determining trial wavefunctions representing lowenergy positron-xenon elastic scattering, which are used to determine the positron lifetime. The trial function is taken to depend on several adjustable parameters, and is improved iteratively by increasing the number of terms. The bound state wavefunctions are obtained using Hartree-Fock-Slater method. The 2γ-rays annihilation rates of the positron in xenon atoms below Positronuim (Ps) formation threshold are calculated. Polarization potential V pl (r) is applied to enhance annihilation rates and lifetime. The present results of annihilation parameters are consistent with semiempirical, theoretical and experimental results.

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Section: Introductionmentioning

confidence: 99%

Variational calculation of low-energy positron life time in Xe atoms

Abdel-Mageed

2010

Braz. J. Phys.

View full text Add to dashboard Cite

show abstract

Variational treatment of continuum orbitals for Auger electrons emitted from neon

Cited by 1 publication

References 11 publications

Variational calculation of low-energy positron life time in Xe atoms

Variational calculation of low-energy positron life time in Xe atoms

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