AustralieFrV1, Main, Exploration, bibRecordById, Pascal:12-0019048

Stark effect measurements on the NaK molecule

Identifieur interne : 006710 ( Main/Exploration ); précédent : 006709; suivant : 006711

Stark effect measurements on the NaK molecule

Auteurs : A. Gerdes [Allemagne, France] ; O. Dulieu [France] ; H. Knöckel [Allemagne] ; E. Tiemann [Allemagne]

Source :

The European physical journal. D, Atomic, molecular and optical physics : (Print) [ 1434-6060 ] ; 2011.

RBID : Pascal:12-0019048

Descripteurs français

Pascal (Inist)
- Effet Stark, Faisceau moléculaire, Transition vibrationnelle, Dispositif expérimental, Etude théorique, Moment dipolaire électrique, Moment dipolaire, Valeur absolue, Etat fondamental, Molécule diatomique, Composé du potassium, Composé du sodium, NaK, K Na, 3355B, 3315K.

English descriptors

KwdEn :
- Absolute value, Diatomic molecules, Dipole moments, Electric dipole moments, Experimental device, Ground states, Molecular beams, Potassium compounds, Sodium compounds, Stark effect, Theoretical study, Vibrational transition.

Abstract

In a newly built molecular beam apparatus we have measured permanent electric dipole moments of the B ¹IIand X ¹Σ⁺ states of NaK to test the vibrational dependence of the dipole moment function as predicted by ab initio calculations by Aymar and Dulieu [J. Chem. Phys. 122, 204302 (2005)]. Four vibrational bands were studied, the dipole moment for the B ¹ II decreases from 2.73(2) D for v = 3 to 1.99(2) D for v = 13. The vibrational dependence shows a fairly good agreement with theory, but the absolute values are lower than those from the calculation by 13%. The ground state dipole moment of 2.72(6) confirms the earlier result by Wormsbecher et al. [J. Chem. Phys. 74, 6983 (1981)].

Affiliations:

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Le document en format XML

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<front><div type="abstract" xml:lang="en">In a newly built molecular beam apparatus we have measured permanent electric dipole moments of the B <sup>1 </sup>
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and X <sup>1 </sup>
Σ<sup>+</sup>
 states of NaK to test the vibrational dependence of the dipole moment function as predicted by ab initio calculations by Aymar and Dulieu [J. Chem. Phys. 122, 204302 (2005)]. Four vibrational bands were studied, the dipole moment for the B <sup>1</sup>
 II decreases from 2.73(2) D for v = 3 to 1.99(2) D for v = 13. The vibrational dependence shows a fairly good agreement with theory, but the absolute values are lower than those from the calculation by 13%. The ground state dipole moment of 2.72(6) confirms the earlier result by Wormsbecher et al. [J. Chem. Phys. 74, 6983 (1981)].</div>
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Stark effect measurements on the NaK molecule

Stark effect measurements on the NaK molecule

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

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