The electric dipole moment of magnesium deuteride, MgD

Timothy C. Steimle; Ruohan Zhang; Hailing Wang

doi:10.1063/1.4878414

The electric dipole moment of magnesium deuteride, MgD

Timothy C. Steimle, Ruohan Zhang, Hailing Wang

Institute for Advanced Study in Precision Spectroscopy

Arizona State University

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

The (0,0) A²Π-X ²Σ⁺ band of a cold molecular beam sample of magnesium monodeuteride, MgD, has been recorded field-free and in the presence of a static electric field of up to 11 kV/cm. The lines associated with the lowest rotational levels are detected for the first time. The field-free spectrum was analyzed to produce an improved set of fine structure parameters for the A²Π (v = 0) state. The observed electric field induced splittings and shifts were analyzed to produce permanent electric dipole moments, μ_el of 2.567(10)D and 1.31(8)D for A ²Π (v = 0) and X²Σ⁺(v = 0) states, respectively. The recommended value for μ_el(X²Σ ⁺ (v = 0)) for MgH, based upon the measured value for MgD, is 1.32(8)D.

Original language	English
Article number	224308
Journal	Journal of Chemical Physics
Volume	140
Issue number	22
DOIs	https://doi.org/10.1063/1.4878414
State	Published - 14 Jun 2014

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title = "The electric dipole moment of magnesium deuteride, MgD",

abstract = "The (0,0) A2Π-X 2Σ+ band of a cold molecular beam sample of magnesium monodeuteride, MgD, has been recorded field-free and in the presence of a static electric field of up to 11 kV/cm. The lines associated with the lowest rotational levels are detected for the first time. The field-free spectrum was analyzed to produce an improved set of fine structure parameters for the A2Π (v = 0) state. The observed electric field induced splittings and shifts were analyzed to produce permanent electric dipole moments, μel of 2.567(10)D and 1.31(8)D for A 2Π (v = 0) and X2Σ+(v = 0) states, respectively. The recommended value for μel(X2Σ + (v = 0)) for MgH, based upon the measured value for MgD, is 1.32(8)D.",

author = "Steimle, \{Timothy C.\} and Ruohan Zhang and Hailing Wang",

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T1 - The electric dipole moment of magnesium deuteride, MgD

AU - Steimle, Timothy C.

AU - Zhang, Ruohan

AU - Wang, Hailing

PY - 2014/6/14

Y1 - 2014/6/14

N2 - The (0,0) A2Π-X 2Σ+ band of a cold molecular beam sample of magnesium monodeuteride, MgD, has been recorded field-free and in the presence of a static electric field of up to 11 kV/cm. The lines associated with the lowest rotational levels are detected for the first time. The field-free spectrum was analyzed to produce an improved set of fine structure parameters for the A2Π (v = 0) state. The observed electric field induced splittings and shifts were analyzed to produce permanent electric dipole moments, μel of 2.567(10)D and 1.31(8)D for A 2Π (v = 0) and X2Σ+(v = 0) states, respectively. The recommended value for μel(X2Σ + (v = 0)) for MgH, based upon the measured value for MgD, is 1.32(8)D.

AB - The (0,0) A2Π-X 2Σ+ band of a cold molecular beam sample of magnesium monodeuteride, MgD, has been recorded field-free and in the presence of a static electric field of up to 11 kV/cm. The lines associated with the lowest rotational levels are detected for the first time. The field-free spectrum was analyzed to produce an improved set of fine structure parameters for the A2Π (v = 0) state. The observed electric field induced splittings and shifts were analyzed to produce permanent electric dipole moments, μel of 2.567(10)D and 1.31(8)D for A 2Π (v = 0) and X2Σ+(v = 0) states, respectively. The recommended value for μel(X2Σ + (v = 0)) for MgH, based upon the measured value for MgD, is 1.32(8)D.

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U2 - 10.1063/1.4878414

DO - 10.1063/1.4878414

M3 - 文章

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SN - 0021-9606

VL - 140

JO - Journal of Chemical Physics

JF - Journal of Chemical Physics

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ER -

The electric dipole moment of magnesium deuteride, MgD

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