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Quantal studies of sodium 3p←3s photoabsorption spectra perturbed by ground lithium atoms |
| N Lamoudi1,2, F Talbi1,3, M T Bouazza1,4, M Bouledroua1,3, K Alioua5,3 |
1 Badji Mokhtar University, B. P. 12 Annaba, Algeria;
2 Laboratoire LESIMS;
3 Laboratoire de Physique des Rayonnements;
4 Laboratoire LAMA;
5 Souk-Ahras University, Souk-Ahras 41000, Algeria |
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Abstract The pressure broadening in the far wings, where the sodium Na (3p←3s) resonance line is perturbed by ground lithium Li (2s) atoms, has been theoretically analyzed. The NaLi potential-energy curves and the transition dipole moments are constructed by using a reliable ab initio data points to carry out the reduced-absorption coefficients kr(ν,T). This quantum-mechanical investigation have demonstrated that the NaLi profile spectra show a satellite future in the red wing at wavelength λ=685 nm in the temperature range 4000 K-1.8×104 K. The computation could also exhibit a second satellite, in the blue wing, near the wavelength λ=574 nm beyond 6000 K and a third peak located at λ=490 nm which begins to appear at 1.8×104 K.
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Received: 10 March 2019
Revised: 18 April 2019
Accepted manuscript online:
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PACS:
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32.80.-t
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(Photoionization and excitation)
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31.50.Bc
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(Potential energy surfaces for ground electronic states)
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31.50.Df
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(Potential energy surfaces for excited electronic states)
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32.70.Jz
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(Line shapes, widths, and shifts)
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Corresponding Authors:
N Lamoudi
E-mail: noralamoudi@yahoo.fr
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Cite this article:
N Lamoudi, F Talbi, M T Bouazza, M Bouledroua, K Alioua Quantal studies of sodium 3p←3s photoabsorption spectra perturbed by ground lithium atoms 2019 Chin. Phys. B 28 063202
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| [1] |
Allard N F and Kielkopf J F 1982 Rev. Mod. 54 1103
|
| [2] |
Szudy J and Baylis W E 1996 Phys. Rep. 266 127
|
| [3] |
Burrows A, Hubbard W, Lunine J I and Liebert J 2001 Rev. Mod. Phys. 73 719
|
| [4] |
Hawley S L 2001 Proceedings of the 12th Cambridge Workshop on cool Stars. Stellar Systems, and the Sun, 30 July-3 August 2001 (University of Colorado USA) p. 97
|
| [5] |
Allard N F, Allard F, Hauschildt P H, Kielkopf J F and Machin L 2003 Astrom. Astrophys. 411 L473
|
| [6] |
Allard N F, Allard F and kielkopf J F 2005 Astrom. Astrophys. 440 1195
|
| [7] |
Allard N F and Spiegelman F 2006 Astrom. Astrophys. 452 351
|
| [8] |
Mullamphy D F T, Peach G, Venturi V, Whittingham B and Gibson S J 2007 J. Phys. B 40 1141
|
| [9] |
Zhu C, Babb J F and Dalgarno A 2005 Phys. Rev. A 71 052710
|
| [10] |
Zhu C, Babb J F and Dalgarno A 2006 Phys. Rev. A 73 012506
|
| [11] |
Shurgalin M, Parkinson W H, Yoshino K, Schoene C and Lapatovitch W P 2000 Meas. Sci. Technol. 11 730
|
| [12] |
Vadla C, Beuc R, Horvatic V, Movre M, Quentmeier A and Niemax K 2006 Eur. Phys. J. D 37 37
|
| [13] |
Vadla C, Horvatic V and Niemax K 2006 Appl. Phys. B 84 523
|
| [14] |
Shindo F, Babb J F, Kirby K and Yoshino K 2007 J. Phys. B 40 2841
|
| [15] |
Chung H K, Kirby K and Babb J F 1999 Phys. Rev. A 60 2002
|
| [16] |
Chung H K, Kirby K and Babb J F 2001 Phys. Rev. A 63 032516
|
| [17] |
Lamoudi N, Bouledroua M, Aliou K, Allouche A R and Aubert-Frécon M 2013 Phys. Rev. A 87 52713
|
| [18] |
Talbi F, Bouledroua M and Aliou K 2008 Eur. Phys. J. D 50 141
|
| [19] |
Aubert-Frécon M private communication
|
| [20] |
Pauly H 1979 in Atomic-Molecule Collision Theory, ed. Bernstein R B (New York: Plenum Press)
|
| [21] |
Marinescu M and Sadeghpour R H 1999 Phys. Rev. A 59 390
|
| [22] |
Schmidt-Mink I, Müller W and Meyer W 1984 Chem. Phys. Lett. 112 120
|
| [23] |
Mabrouk N and Berriche H 2008 J. Phys. B 41 155101
|
| [24] |
Petsalakis I D, Tzeli D and Theodorakopoulosa G 2008 J. Chem. Phys. 129 054306
|
| [25] |
Kappes M M, Marti K O, Radi P, Schar M and Schumacher E 1984 Chem. Phys. Lett. 107 6
|
| [26] |
Engelek F, Ennen G and Meiwes K H 1982 Chem. Phys. 66 391
|
| [27] |
Chu X and Dalgarno A 2002 Phys. Rev. A 66 024701
|
| [28] |
Le Roy R J 2001 Level v 7.4 Program, Chemical Physics Research Report, University of Waterloo
|
| [29] |
Herzberg G 1963 Molecular Spectra and Molecular Structure Spectra of Diatomic Molecules, Vol. I (Princeton: D. van Nostrand Co.)
|
| [30] |
Landau L D and Lifshitz E M 1981 Quantum Mechanics: Non-Relativistic Theory (Oxford: Pergamon Press)
|
| [31] |
Reho J, Higging J, Lehmann K K and Scoles G 2000 J. Chem. Phys. 113 9649
|
| [32] |
Carlsson J and Sturesson L 1989 Z. Phys. D 14 281
|
| [33] |
Voltz U and Schmoranzer H 1966 Phys. Scr. T65 48
|
| [34] |
Tiemann E, Knöckel H and Richling H 1966 Z. Phys. D 37 323
|
| [35] |
Numerov B 1933 Publ. Observ. Central Astrophys. Russ. 2 188
|
| [36] |
Press W H, Flannery B P, Teukolsky S A and Vetterling W T 1987 Numerical Recipes: The Art of Scientific Computing (New York: Cambridge University Press)
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