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Abstrakty
We report on our investigation of the excitation spectra of the NaLi molecule in the energy range 31000–33900 cm–1. A polarisation labelling technique is used to ensure rotational resolution of the spectra and to enable unambiguous assignment of the NaLi transitions. A hitherto unknown electronic state of 1Π symmetry is observed. Major molecular constants of the state are determined and its potential curve constructed using the inverted perturbation approach method.
Słowa kluczowe
Czasopismo
Rocznik
Tom
Strony
s. 499--504
Opis fizyczny
Bibliogr., 18 poz., rys., tab., wykr.
Twórcy
autor
- Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warsaw, Poland
autor
- Institute of Experimental Physics, Warsaw University, ul. Hoża 69, 00-681 Warsaw, Poland
autor
- Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warsaw, Poland
autor
- Institute of Experimental Physics, Warsaw University, ul. Hoża 69, 00-681 Warsaw, Poland
autor
- Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warsaw, Poland
- Institute of Experimental Physics, Warsaw University, ul. Hoża 69, 00-681 Warsaw, Poland
- Visitor from Laboratoire de Spectrométrie Ionique et Moléculaire, Université Lyon I et C.N.R.S., 69622 Villeurbanne Cedex, France
Bibliografia
- [1] CARLSON N.W., TAYLOR A.J., JONES K.M., SCHAWLOW A.L., Two-step polarization-labeling spectroscopy of excited states of Na2, Physical Review A 24(2), 1981, pp. 822–34.
- [2] JASTRZĘBSKI W., KOWALCZYK P., 31Πu and states of K2 studied by a polarization-labeling spectroscopy technique, Physical Review A 51(2), 1995, pp. 1046–51.
- [3] GROCHOLA A., JASTRZĘBSKI W., KOWALCZYK P., The 31Πu state in Na2, Chemical Physics Letters 394(4–6), 2004, pp. 383–6.
- [4] GROCHOLA A., JASTRZĘBSKI W., KOWALCZYK P., MAGNIER S., AUBERT-FRÉCON M., Experimental and theoretical investigation of the and 71Πu states of K2, Journal of Molecular Spectroscopy 224(2), 2004, pp. 151–6.
- [5] GROCHOLA A., JASTRZĘBSKI W., KORTYKA P., KOWALCZYK P., Experimental study of the 61Π and 71Π states of NaK by polarization labeling spectroscopy technique, Journal of Molecular Spectroscopy 221(2), 2003, pp. 279–84.
- [6] GROCHOLA A., JASTRZĘBSKI W., KORTYKA P., KOWALCZYK P., Polarization labelling spectroscopy of the 41Π state of KLi, Molecular Physics 102(16–17), 2004, pp. 1739–42.
- [7] KORTYKA P., JASTRZĘBSKI W., KOWALCZYK P., Experimental characterisation of the double minimum 61Σ + state in NaRb, Chemical Physics Letters 404(4–6), 2005, pp. 323–6.
- [8] JASTRZĘBSKI W., KOWALCZYK P., NADYAK R., PASHOV A., Spectroscopic study of the E(4)1Σ + state in NaLi, Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 58(10), 2002, pp. 2193–7.
- [9] BANG N.H., JASTRZĘBSKI W., KOWALCZYK P., New observation and analysis of the E(4)1Σ + state in NaLi, Journal of Molecular Spectroscopy 233(2), 2005, pp. 290–2.
- [10] BEDNARSKA V., JACKOWSKA I., JASTRZĘBSKI W., KOWALCZYK P., A three-section heat-pipe oven for heteronuclear alkali molecules, Measurement Science and Technology 7(9), 1996, pp. 1291–3.
- [11] HESSEL M.M., Experimental observation of the NaLi molecule, Physical Review Letters 26(5), 1971, pp. 215–8.
- [12] FERBER R., JASTRZĘBSKI W., KOWALCZYK P., Line intensities in V-type polarization labelling spectroscopy of diatomic molecules, Journal of Quantitative Spectroscopy and Radiative Transfer 58(1), 1997, pp. 53–60.
- [13] FELLOWS C.E., The NaLi 11Σ +(X) electronic ground-state dissociation limit, Journal of Chemical Physics 94(9), 1991, pp. 5855–64.
- [14] PASHOV A., JASTRZĘBSKI W., KOWALCZYK P., Construction of potential curves for diatomic molecular states by the IPA method, Computer Physics Communications 128(3), 2000, pp. 622–34.
- [15] DE BOOR C., A Practical Guide to Splines, Applied Mathematical Sciences, Vol. 27, Springer, Berlin 1978.
- [16] JASTRZĘBSKI W., PASHOV A., KOWALCZYK P., The state of lithium dimer revised, Journal of Chemical Physics 114(24), 2001, pp. 10725–7.
- [17] SCHMIDT-MINK I., MÜLLER W., MEYER W., Potential energy curves for ground and excited states of NaLi from ab initio calculations with effective core polarization potentials, Chemical Physics Letters 112(2), 1984, pp. 120–8.
- [18] COOLEY J.W., An improved eigenvalue corrector formula for solving the Schrödinger equation for central fields, Mathematics of Computation 15(76), 1961, pp. 363–74.
Typ dokumentu
Bibliografia
Identyfikator YADDA
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