The triple differential cross sections estimation have been ascertained theoretically for the ionization of metastable 3d-state hydrogen atoms by electron at 150 eV, 200 eV and 250 eV for assorted kinematic conditions exerting a multiplex scattering principle. The existent new-findings are assimilated with the theoretic data of hydrogenic metastable 2S, 3S and 3P states as well as the hydrogenic ground state experiment. An analysis of the attained observations reveals qualitative fitness with those of compared results specially with hydrogenic ground state BBK model, ground state experimental data and metastable state 2S state results. This is a new theoretical work on hydrogenic metastable 3d state ionization by electron. The substantial progress of the current study offers a wide scope for empirical study in ionization process.
References
[1]
Bethe, H.Z. (1930) Theorie des Durchgangs schneller Korpuskularstrahlen durch Materie. Annalen der Physik, 397, 325-400. https://doi.org/10.1002/andp.19303970303
[2]
Ehrhardt, H., Knoth, G., Schlemmer, P. and Jung, K. (1985) Absolute H(e, 2e)p Cross Section Measurements: Comparison with First and Second Order. Physics Letters A, 110, 92-94. https://doi.org/10.1016/0375-9601(85)90326-3
[3]
Ehrhardt, H., Knoth, G., Schlemmer, P. and Jung, K. (1986) Differential Cross Sections of Direct Single Electron Impact Ionization. Zeitschrift für Physik D Atoms, Molecules and Clusters, 1, 3-32. https://doi.org/10.1007/BF01384654
[4]
Das, J.N. (1990) Momentum-Space Analysis of Scattering States with Possible Application to Atomic Ionization. Physical Review A, 42, 1376-1378. https://doi.org/10.1103/PhysRevA.42.1376
[5]
Das, J.N. and Seal, S. (1993) Electron-Hydrogen Atom Ionization Collisions at Intermediate (510-2010) and High (>~ 2010) Energies. Physical Review A, 47, 2978-2986. https://doi.org/10.1103/PhysRevA.47.2978
[6]
Das, J.N. and Dhar, S. (1999) Energy Spectrum of Ejected Electrons in Ionization of Hydrogen Atoms by Electrons. Pramana, 53, 869-875. https://doi.org/10.1007/s12043-999-0121-9
[7]
Byron, F.W., Joachen, C.J. and Piraux, B. (1980) Triple Differential Cross Sections for the Ionisation of Atomic Hydrogen by Fast Electrons: A Second Born Treatment. Journal of Physics B: Atomic, Molecule and Optical Physic, 13, L673. https://doi.org/10.1088/0022-3700/13/22/005
[8]
Byron, F.W., Joachain, C.J. and Piraux, B. (1986) Theory of Coplanar Asymmetric (e, 2e) Reactions in Helium. Journal of Physics B: Atomic, Molecular and Optical Physics, 19, 120. https://doi.org/10.1088/0022-3700/19/8/015
[9]
Brauner, M., Briggs, M. and Klar, H. (1991) Structures in Differential Cross Sections for Positron Impact Ionization of Hydrogen. Journal of Physics B: Atomic, Molecular and Optical Physics, 24, 2227. https://doi.org/10.1088/0953-4075/24/8/030
[10]
Brauner, M., Briggs, J.S. and Klar, H. (1989) Triply-Differential Cross Sections for Ionisation of Hydrogen Atoms by Electrons and Positrons. Journal of Physics B: Atomic, Molecular and Optical Physics, 22, 2265-2287. https://doi.org/10.1088/0953-4075/22/14/010
[11]
Berakder, J. and Klar, H. (1993) Structures in Triply and Doubly Differential Ionization Cross Sections of Atomic Hydrogen. Journal of Physics B: Atomic, Molecular and Optical Physics, 26, 3891. https://doi.org/10.1088/0953-4075/26/21/023
[12]
Berakdar, J., Engelns, A. and Klar, H. (1996) Oriented and Aligned Two Electron Continue. Journal of Physics B: Atomic, Molecular and Optical Physics, 29, 1109. https://doi.org/10.1088/0953-4075/29/5/019
[13]
Dal Capppello, C., Haddadou, A., Menas, F. and Roy, A.C. (2011) The Second Born Approximation for the Single and Double Ionization of Atoms by Electrons and Positrons. Journal of Physics B: Atomic, Molecular and Optical Physics, 44, Article ID: 015204. https://doi.org/10.1088/0953-4075/44/1/015204
[14]
Das, J.N. and Dhar, S. (1996) Symmetric Scattering in Electron and Positron Impact Ionization of Metastable 2S-State Hydrogen Atom. Pramana—Journal of Physics, 47, 263-269. https://doi.org/10.1007/BF02848527
[15]
Dhar, S. (1996) Electron Impact Ionisation of Metastable 2S-State Hydrogen Atoms. Australian Journal of Physics, 49, 937-944. https://doi.org/10.1071/PH960937
[16]
Vučič, S., Potvliege, R.M. and Joachain, C.J. (1987) Second Born Triple-Differential Cross Sections for the Coplanar Asymmetric Ionization of H(2S) by Fast Electrons. Physical Review A, 35, 1446-1449. https://doi.org/10.1103/PhysRevA.35.1446
[17]
Qi, Y.Y., Ning, L.N., Wang, J.G. and Qu, Y.Z. (2013) Plasma Effect on Fast-Electron-Impact Ionization from 2P State of Hydrogen-Like Ions. Physics of Plasmas, 20, Article ID: 123301. https://doi.org/10.1063/1.4833616
[18]
Dhar, S. and Nahar, N. (2016) Triple Differential Cross-Sections for the Ionization of Metastable 2P-State Hydrogen Atoms by Electrons with Exchange Effects. Pramana—Journal of Physics, 87, 69. https://doi.org/10.1007/s12043-016-1281-z
[19]
Noor, T. and Dhar, S. (2017) The Triple Differential Cross Sections for Electron Impact Ionization of Metastable 3S State Hydrogen Atoms with Exchange Effect. Open Journal of Microphysics, 7, 53-65. https://doi.org/10.4236/ojm.2017.73004
[20]
Akter, S., Dhar, S., Nahar, N. and Das, L.C. (2018) Ionization of Metastable 3P State Hydrogen Atom by Electron with Exchange Effects. Pramana Journal of Physics, 91, 78. https://doi.org/10.1007/s12043-018-1648-4
[21]
Banerjee, S., Dhar, S. and Hoque, A. (2018) Triple Differential Cross-Sections for Ionization of H(3d) by Incident Electron. Open Journal of Microphysics, 8, 30-41. https://doi.org/10.4236/ojm.2018.84005
[22]
Das, J.N. and Chakraborty, K. (1985) Atomic Inner-Shell Ionization. Physical Review A, 32, 176-180. https://doi.org/10.1103/PhysRevA.32.176
[23]
Das, J.N. and Dhar, S. (1998) Calculation of Triple Differential Cross-Sections of K-Shell Ionization of Medium-Heavy Atoms by Electrons for Symmetric Geometry. Pramana, 51, 751-756. https://doi.org/10.1007/BF02832607
[24]
Das, J.N. and Dhar, S. (1998) Energy Spectrum of Scattered Electrons in K-Shell Ionization of Medium to Heavy Atoms by Relativistic Electrons. Journal of Physics B: Atomic, Molecular and Optical Physics, 31, 2355. https://doi.org/10.1088/0953-4075/31/10/021
[25]
Dhar, S. (2008) The Energy Spectrum of Scattered Particles in the K-Shell Ionization of Medium Heavy Atoms by Relativistic Electrons and Positrons with Exchange Effects. Journal of Physics B: Atomic and Molecular Physics, 41, Article ID: 155204. https://doi.org/10.1088/0953-4075/41/15/155204
[26]
Lewis, R.R. (1956) Potential Scattering of High-Energy Electrons in Second Born Approximation. Physical Review, 102, 537-543. https://doi.org/10.1103/PhysRev.102.537
