Rotational-state-selective field ionization of 
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi mathvariant="normal">H</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:math>
 Rydberg states

Setzer, W. J.; Magalhaes, A. de; Morgan, Thomas J.

doi:10.1103/physreva.101.013425

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“…For low n , because of high field strength requirements, only a fraction of the Stark manifold is ionized, which reduces the ion signal. The field dependence of the ion yield is investigated in a second paper . For high n , ionization in the weak field region reduces the ion yield.…”

Section: Results and Discussionmentioning

confidence: 99%

Spectrum of Field-Ionized Triplet Gerade Rydberg States of H₂ and Comparison to Multichannel Quantum-Defect Theory

2019

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A spectrum of field-ionized triplet Rydberg states of gerade symmetry H2 has been measured, excited from the υ″ = 0, N″ = 1–3 rovibrational levels of the metastable c3Πu –2pπ state in a 6 keV fast molecular beam. The field-ionized spectrum is kinetic energy labeled in order to separate it from the well-studied υ+ ≥ 1 autoionization spectrum. The spectrum consists of both ns and nd Rydberg series with n between 10 and 28 converging to the υ+ = 0, N + = 1–3 levels of the X + 2Σg + ground state of H2 +. Transitions with changes in vibration and/or rotation are also identified. The spectral positions of 59 transitions in the field ionization spectrum are identified and assigned quantum numbers using the predictions of multichannel quantum-defect theory (MQDT). The transition energies and subsequent effective quantum defects are compared between the experiment and theory. Most of the observed transitions, within the experimental uncertainty of 0.2 cm–1, agree with the energies predicted by MQDT.

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Section: Results and Discussionmentioning

confidence: 99%

Spectrum of Field-Ionized Triplet Gerade Rydberg States of H₂ and Comparison to Multichannel Quantum-Defect Theory

2019

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Rotational-state-selective field ionization of H2 Rydberg states

Cited by 1 publication

References 26 publications

Spectrum of Field-Ionized Triplet Gerade Rydberg States of H₂ and Comparison to Multichannel Quantum-Defect Theory

Spectrum of Field-Ionized Triplet Gerade Rydberg States of H₂ and Comparison to Multichannel Quantum-Defect Theory

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Rotational-state-selective field ionization of H2 Rydberg states

Cited by 1 publication

References 26 publications

Spectrum of Field-Ionized Triplet Gerade Rydberg States of H2 and Comparison to Multichannel Quantum-Defect Theory

Spectrum of Field-Ionized Triplet Gerade Rydberg States of H2 and Comparison to Multichannel Quantum-Defect Theory

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Spectrum of Field-Ionized Triplet Gerade Rydberg States of H₂ and Comparison to Multichannel Quantum-Defect Theory

Spectrum of Field-Ionized Triplet Gerade Rydberg States of H₂ and Comparison to Multichannel Quantum-Defect Theory