Výsledky vyhledávání - "M.O. Vieitez"

Spectroscopic Observation and Characterization of H+H- Heavy Rydberg States

Autor: T.I. Ivanov, Wim Ubachs, E.M. Reinhold, M.O. Vieitez, C.A. de Lange

Publikováno v: Journal of Physical Chemistry A, 113(47), 13237-13245. American Chemical Society
Vieitez, M O, Ivanov, T I, Reinhold, E M, de Lange, C A & Ubachs, W M G 2009, ' Spectroscopic Observation and Characterization of H+H-Heavy Rydberg States ', Journal of Physical Chemistry A, vol. 113, no. 47, pp. 13237-13245 . https://doi.org/10.1021/jp9039918

A series of discrete resonances was observed in the spectrum of H2, which can be unambiguously assigned to bound quantum states in the 1/R Coulombic potential of the H+H- ion-pair system. Two-step laser excitation was performed, using tunable extreme

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2918c6b744306ab81cb27dd0b698f140
https://doi.org/10.1021/jp9039918

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Extreme ultraviolet laser calibration of D-2 Lyman and Werner transitions

Autor: M. Roudjane, T.I. Ivanov, C.A. de Lange, Wim Ubachs, W.Ül. Tchang-Brillet, M.O. Vieitez

Publikováno v: Molecular Physics
Molecular Physics, 2008, 106 (09-10), pp.1193-1197. ⟨10.1080/00268970802056045⟩
Roudjane, M, Ivanov, T I, Vieitez, M O, de Lange, C A, Tchang-Brillet, W U L & Ubachs, W M G 2008, ' Extreme ultraviolet laser calibration of D-2 Lyman and Werner transitions ', Molecular Physics, vol. 106, pp. 1193-1197 . https://doi.org/10.1080/00268970802056045
Molecular Physics, 106, 1193-1197. Taylor and Francis Ltd.
Molecular Physics, Taylor & Francis, 2008, 106 (09-10), pp.1193-1197. ⟨10.1080/00268970802056045⟩

International audience; Some 39 lines in the B1Σ+u- X1Σ+g (v',0) Lyman bands for v'=9-11, and in the C1Πu- X1Σ+g (0,0) Werner band of the D2 molecule were measured using a narrowband tunable extreme-ultraviolet laser source, at an unprecedented a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::44701a82c09f9664c2ea8cc62c95c84d
https://hdl.handle.net/1871/32177

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Observation of a Rydberg Series inH+H−: A Heavy Bohr Atom

Autor: M.O. Vieitez, E.M. Reinhold, C.A. de Lange, T.I. Ivanov, Wim Ubachs

Publikováno v: Physical Review Letters. 101

We report on the realization of a heavy "Bohr atom," through the spectroscopic observation of a Rydberg series of bound quantum states at principal quantum numbers n=140 to 230. The system is made heavy by replacing an electron inside a hydrogen atom

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b37a080f8985f3aca8eaa42a3e1db1a3
https://doi.org/10.1103/physrevlett.101.163001

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On the complexity of the absorption spectrum of molecular nitrogen

Autor: Wim Ubachs, T.I. Ivanov, M.O. Vieitez, Brenton Lewis, C.A. de Lange

Publikováno v: Vieitez, M O, Ivanov, T I, Ubachs, W M G, Lewis, B R & de Lange, C A 2008, ' On the complexity of the absorption spectrum of molecular nitrogen ', Journal of Molecular Liquids, vol. 141, pp. 110-117 . https://doi.org/10.1016/j.molliq.2008.01.014
Journal of Molecular Liquids, 141, 110-117. Elsevier

The spectral properties of molecular nitrogen are crucial to a better understanding of radiative-transfer phenomena and activated N/N2 chemistry in the Earth's upper atmosphere. Excited states of N2 are difficult to access experimentally, and analysi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7e54e5cb5760fb7d1d29c197d66e415b
https://research.vu.nl/en/publications/06557cf0-f4b5-4f53-8ceb-d50705d2c9cb

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Extreme-ultraviolet laser metrology of OI transitions

Autor: P.C. Cacciani, Edcel J. Salumbides, C.A. de Lange, Wim Ubachs, M.O. Vieitez, T.I. Ivanov

Publikováno v: Ivanov, T I, Salumbides, E J, Vieitez, M O, Cacciani, P C, de Lange, C A & Ubachs, W M G 2008, ' Extreme-ultraviolet laser metrology of OI transitions ', Monthly Notices of the Royal Astronomical Society: Letters, vol. 389, no. 1, pp. L4-L7 . https://doi.org/10.1111/j.1745-3933.2008.00507.x
Monthly Notices of the Royal Astronomical Society: Letters, 389(1), L4-L7. Oxford University Press

Some 16 transitions in atomic oxygen originating from its 3 P ground state were measured using a tunable narrow-band extreme-ultraviolet laser source, with an unprecedented accuracy of �λ/λ = 8 × 10 −8 . The results are relevant for comparison

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5224693b3c408d8fbe0c68426d7f25b3
https://research.vu.nl/ws/files/2483972/Ivanov-MNRAS-2008.pdf

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Interactions of the 3pπucΠu1(v=2) Rydberg-complex member in isotopic N2

Autor: C.A. de Lange, Wim Ubachs, T.I. Ivanov, Brenton Lewis, M.O. Vieitez, G. Stark, A. N. Heays

Publikováno v: The Journal of Chemical Physics. 128:134313

The 3ppi u c1Pi u-X 1Sigmag+(2,0) Rydberg and b' 1Sigmau+-X 1Sigmag+(7,0) valence transitions of 14N2, 14N15N, and 15N2 are studied using laser-based 1 extreme ultraviolet (XUV)+1' UV two-photon-ionization spectroscopy, supplemented by synchrotron-ba

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fe351c1c721658cbf7c0fd4d804f7452
https://doi.org/10.1063/1.2883955

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