Výsledky vyhledávání - "Daniel H. Katayama"

State specific electronic quenching rates for the N2 a 1Πg(v=0) level from collisions with He, Ar, and N2

Autor: Anthony V. Dentamaro, Daniel H. Katayama, Judith A. Welsh

Publikováno v: The Journal of Chemical Physics. 101:9422-9428

The technique of double, resonance enhanced multiphoton ionization (REMPI) spectroscopy has been used to observe collision induced electronic transitions (CIET) and rotational energy transfer (RET) from a selectively excited rotational level of the N

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::36a7b089283c71bfa20c2681507e3713
https://doi.org/10.1063/1.467973

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Collisional deactivation of the isoelectronic 15N+2 A 2Πui (v=3) and CO+ A 2Πi (v=3 and 4) levels by helium atoms

Autor: Anthony V. Dentamaro, Daniel H. Katayama

Publikováno v: The Journal of Chemical Physics. 101:8628-8635

An optical–optical double resonance (OODR) technique is used to selectively populate rotational levels of the 15N+2 A 2Πui (v=3) state and monitor collision induced electronic transitions (CIET) to the X 2Σ+g (v=6 and 7) vibronic manifolds. The b

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::164767a366d1eca47d7afafc09795686
https://doi.org/10.1063/1.468058

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Branching fractions of the product NO(A 2Σ+, ν=0, 1) and NO (B2Πr, ν=0) emissions observed as a function of ν′ in the energy transfer reaction N2(A3Σ+u, ν′) + NO (X2Πr, ν″=0)

Autor: Joseph M. Thomas, Daniel H. Katayama

Publikováno v: Chemical Physics Letters. 214:250-256

Branching fractions are determined for the product NO(A 2 Σ + , ν = 0, 1 and 2) and NO(B 2 Π r , ν = 0) emissions as a function of ν ′ in the title reaction. Using the NO(A 2 Π + , ν′ = 0–2 → X 2 Π r , ν″) γ, Δν = ν′ – ν�

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::934920c244c6b2934cd8db0152094d85
https://doi.org/10.1016/0009-2614(93)90089-j

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Rotational analysis of the nonthermal NO(A 2Σ+, v’=0) distribution observed in the N2(A 3Σ+u, v’=0)+NO(X 2Π, v‘=0) energy transfer reaction

Autor: Joseph M. Thomas, Daniel H. Katayama

Publikováno v: The Journal of Chemical Physics. 94:4797-4808

A rapidly pumped discharge‐flow reactor was constructed to characterize the N2(A 3Σ+u,v’)+NO(X 2Π, v‘=0) energy transfer (ET) reaction. Emission spectra of the NO γ bands from the product NO A 2Σ state formed in the title reaction were coll

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::25bd23edb28ae189fbf0286051bc6f6b
https://doi.org/10.1063/1.460564

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Energy-gap dependence for inelastic collision-induced electronic transitions inN2+

Autor: Anthony V. Dentamaro, Daniel H. Katayama

Publikováno v: Physical Review A. 43:1306-1312

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0d00ab4d4d6746c5bab0154c4bc451cf
https://doi.org/10.1103/physreva.43.1306

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An analysis of the kinetics for the nitrogen (A 3.SIGMA.u+,v') + carbon monoxide (X1.SIGMA.+, v' = 0) energy-transfer reaction and an upper limit for the rate constants of the reactions carbon dioxide (a 3.PI.,v' = 0 and 1) + tetrafluoromethane

Autor: Daniel H. Katayama, Glenn Stark, Joseph M. Thomas

Publikováno v: The Journal of Physical Chemistry. 96:8445-8447

The vibrational level distribution of the CO(a {sup 3}II) produced in the title reaction was measured in a rapidly pumped discharge-flow reactor at a total pressure of {approximately}2 Torr and {approximately}297 K. The emission from the CO(a {sup 3}

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2ba2cb0f97b829421c04dd0803d271f5
https://doi.org/10.1021/j100200a044

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Direct observation of collision induced transitions between the a 1Πg (v=0) and a’ 1∑−u (v=0) levels of N2 via double resonance enhanced multiphoton ionization spectroscopy

Autor: Daniel H. Katayama, Anthony V. Dentamaro

Publikováno v: The Journal of Chemical Physics. 97:2820-2822

We report on the first direct observation of collision induced electronic transitions in a diatomic molecule using double resonance enhanced multiphoton ionization (REMPI) spectroscopy. The collision partner to induce these transitions in N2 between

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f2f38f2942014d8f1f7b79cd684de57e
https://doi.org/10.1063/1.463023

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State specific electronic quenching rates for 14N+2 and 15N+2

Autor: Anthony V. Dentamaro, Judith A. Welsh, Daniel H. Katayama

Publikováno v: The Journal of Chemical Physics. 87:6983-6987

We have conducted laser double resonance experiments to measure the branching ratio for the rates of electronic transfer from the A 2Πui (v=4) state to the X 2∑+g (v=8 and 7) levels for 14N+2 and 15N+2. Because of the propensity for ΔJ∼0 in the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::15dea02293c7433a93dcf2741f2666aa
https://doi.org/10.1063/1.453394

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Selective vibrational excitation by stimulated emission pumping

Autor: Robert W. Field, Stephen A. McDonald, Daniel H. Katayama, D. E. Reisner, Carter Kittrell, Evan Abramson, James L. Kinsey

Publikováno v: The Journal of Chemical Physics. 75:2056-2059

Stimulated emission pumping (SEP) is a new method for sub‐Doppler spectroscopy and efficient state‐selective preparation of highly excited rotational–vibrational levels of small molecules. The sensitivity of SEP has been examined by exciting th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::da695649ede6ebea3bdc053751a6cab0
https://doi.org/10.1063/1.442324

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