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Atoms 2017, 5(1), 2; doi:10.3390/atoms5010002

An Investigation on the He(1s2s2 2S) Resonance in Debye Plasmas

1
Department of Mathematics, Burdwan University, Golapbag, Burdwan 713 104, West Bengal, India
2
Institute of Atomic and Molecular Sciences, Academia Sinica, P.O. Box 23-166, Taipei 106, Taiwan
*
Author to whom correspondence should be addressed.
Academic Editor: Kanti M. Aggarwal
Received: 10 December 2016 / Revised: 5 January 2017 / Accepted: 5 January 2017 / Published: 11 January 2017
(This article belongs to the Section Atomic, Molecular and Nuclear Spectroscopy and Collisions)
View Full-Text   |   Download PDF [925 KB, uploaded 11 January 2017]   |  

Abstract

The effect of Debye plasma on the 1 s 2 s 2 2 S resonance states in the scattering of electron from helium atom has been investigated within the framework of the stabilization method. The interactions among the charged particles in Debye plasma have been modelled by Debye–Huckel potential. The 1 s 2 s excited state of the helium atom has been treated as consisting of a H e + ionic core plus an electron moving around. The interaction between the core and the electron has then been modelled by a model potential. It has been found that the background plasma environment significantly affects the resonance states. To the best of our knowledge, such an investigation of 1 s 2 s 2 2 S resonance states of the electron–helium system embedded in Debye plasma environment is the first reported in the literature. View Full-Text
Keywords: electron; helium; Debye plasma; resonance; stabilization method electron; helium; Debye plasma; resonance; stabilization method
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Ghoshal, A.; Ho, Y.K. An Investigation on the He(1s2s2 2S) Resonance in Debye Plasmas. Atoms 2017, 5, 2.

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