NUCLEAR-CHARGE SCREENING IN POSITRONIUM FORMATION FROM HELIUM ATOMS

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GHANBARI ADIVI E.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Journal Paper

Paper Information

Journal: Journal of Sciences, Islamic Republic of Iran Year:2012 | Volume:23 | Issue:4 Page(s): 357-365

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Information Journal Paper

Title

NUCLEAR-CHARGE SCREENING IN POSITRONIUM FORMATION FROM HELIUM ATOMS

Author(s)

GHANBARI ADIVI E. | Issue Writer Certificate

Keywords

POSITRONIUM FORMATION

DISTORTED-WAVE APPROXIMATION

CORRECT BOUNDARY CONDITIONS

NUCLEAR-CHARGE SCREENING

Abstract

An analytical treatment of the electron screening effect within an active electron model is given for POSITRONIUM FORMATION from helium atoms. A first order distorted wave approximation with CORRECT BOUNDARY CONDITIONS is applied to evaluate the transition amplitude. In the range of impact energy for which the introduced perturbative approach is valid, both the total and differential cross sections are calculated and the results for total cross sections are compared with the other calculations and with the available experimental data.

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APA: Copy

GHANBARI ADIVI, E.. (2012). NUCLEAR-CHARGE SCREENING IN POSITRONIUM FORMATION FROM HELIUM ATOMS. JOURNAL OF SCIENCES ISLAMIC REPUBLIC OF IRAN, 23(4), 357-365. SID. https://sid.ir/paper/610296/en

Vancouver: Copy

GHANBARI ADIVI E.. NUCLEAR-CHARGE SCREENING IN POSITRONIUM FORMATION FROM HELIUM ATOMS. JOURNAL OF SCIENCES ISLAMIC REPUBLIC OF IRAN[Internet]. 2012;23(4):357-365. Available from: https://sid.ir/paper/610296/en

IEEE: Copy

E. GHANBARI ADIVI, “NUCLEAR-CHARGE SCREENING IN POSITRONIUM FORMATION FROM HELIUM ATOMS,” JOURNAL OF SCIENCES ISLAMIC REPUBLIC OF IRAN, vol. 23, no. 4, pp. 357–365, 2012, [Online]. Available: https://sid.ir/paper/610296/en

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