Výsledky vyhledávání - "J. W. Thoman"

Collisional quenching corrections for laser-induced fluorescence measurements of NO A2Sigma(+)

Autor: J. W. Thoman, P. H. Paul, J. L. Durant, J. A. Gray

Publikováno v: AIAA Journal. 32:1670-1675

Quantitative combustion diagnostics using laser-induced fluorescence require a knowledge of energy transfer and quenching rates at elevated temperatures. Such information is critical both for experimental design and for subsequent reduction of measur

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::62ff873f817b0cd280a5f9dcce12ad3e
https://doi.org/10.2514/3.12158

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A model for temperature-dependent collisional quenching of NO A2 Σ+

Autor: P. H. Paul, J. A. Gray, J. L. Durant, J. W. Thoman

Publikováno v: Applied Physics B. 57:249-259

A model for the temperature-dependent electronic quenching of NO A 2 Σ+ is presented. The model is appropriate for collision partners having stable negative ions, which are predicted to have large quenching cross-sections. Colliders with relatively

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1a7dcd33b2eb696fb77675a9d7a2e991
https://doi.org/10.1007/bf00325203

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Electronic quenching and vibrational energy transfer in NO (A2∑+) from 300 to 4500 K

Autor: J. A. Gray, J. L. Durant, P. H. Paul, J. W. Thoman

Publikováno v: Optical Society of America Annual Meeting.

We report rate coefficients for electronic quenching of NO (A 2 ∑+) by N2, Ar, and NO (X 2 ∏) measured at room temperature and behind incident and reflected shock waves (900 K to 4500 K). The N2 quenching cross-section increases dramatically from

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a6c2139c7ce1d1cdaeee0fd224194486
https://doi.org/10.1364/oam.1992.wl6

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Dissociation dynamics of low‐lying electronic states of SiH2

Autor: R. Barnes, J. W. Thoman, J. S. Francisco

Publikováno v: The Journal of Chemical Physics. 88:2334-2341

Essential features of the potential surfaces for low‐lying electronic states of silylene, SiH2, have been characterized. Calculated transition energies between the X 1A1, a 3B1, and A 1B1 states are in agreement with previously published experiment

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bd53e1e0e773acc3174ce46fd1715bee
https://doi.org/10.1063/1.454069

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Information theoretic analysis of quantal fluctuations in fluorescence lifetimes

Autor: J. W. Thoman, Raphael D. Levine, Ruth I. McKay, Y. M. Engel, Jeffrey I. Steinfeld

Publikováno v: The Journal of Physical Chemistry. 92:5497-5500

Analyse des variations irregulieres observees dans les durees de vie de fluorescence de niveaux rovibroniques individuels pour SiH 2 (A 1 B 1 , ano), n=1-3 et 6-10. Bonne representation de la distribution de ces fluctuations autour de leur valeur moy

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2c8afab1d63ce4cb9bf45c0b79676df3
https://doi.org/10.1021/j100330a032

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General discussion

Autor: R. D. Levine, J. P. Simons, A. D. Buckingham, G. Nicolasen, M. H. M. Janssen, S. Stolte, I. Schechter, H. J. Loesch, M. Hoffmeister, K. G. McKendrick, R. B. Bernstein, D. H. Parker, A. Laganà, V. Aquilanti, R. Grice, B. Girard, G. Gouédard, N. Billy, J. Vigué, J. C. Whitehead, J. M. Alvariño, T. Trickl, K. Wagemann, J. Wanner, X. K. Zeng, K. Bergmann, I. Powis, K. R. Wilson, J. P. Visticot, A. Keller, C. Whitham, B. Soep, C. Wittig, G. Hoffmann, Y. Chen, H. Iams, D. Oh, D. W. Chandler, K. L. Carleton, T. J. Butenhoff, C. B. Moore, M. Brouard, C. Maul, H. Gläser, K-H. Gericke, P. A. Giovanacci, J. Pfab (Heriot-Watt), M. R. S. McCoustra, R. Theinl, J. W. Thoman, G. O. Sitz, J. Black, P. L. Houston, J. R. Waldeck, R. N. Zare, M. T. Martinez, J. O'Mahony, Wang Ji-Xing, R. N. Dixon, M. Shapiro, A. W. Kleyn, A. H. Zewail

Publikováno v: J. Chem. Soc., Faraday Trans. 2. 85:1243-1323

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0c21c0bd423da60b7f773a531265e087
https://doi.org/10.1039/f29898501243

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Quantal fluctuations in fluorescence lifetimes of individual rovibronic levels

Autor: Raphael D. Levine, Jeffrey I. Steinfeld, Y. M. Engel, J. W. Thoman, Ruth I. McKay

Publikováno v: The Journal of Chemical Physics. 86:6561-6563

Measured fluorescence lifetimes of individual rovibronic levels in SiH2 (A 1B1, 0n0, n=1,2,3), vary irregularly from one level to the next. The distribution of these fluctuations is well fitted by the procedure of maximal entropy. This suggests that

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b63e12e031755fbdb81d578e5a768a6e
https://doi.org/10.1063/1.452399

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Production of silicon(1D2) from electronically excited silylene

Autor: Carol M. Van Zoeren, J. W. Thoman, Mark W. Rainbird, Jeffrey I. Steinfeld

Publikováno v: The Journal of Physical Chemistry. 92:9-11

Si(/sup 1/D/sub 2/) has been detected by atomic laser-induced fluorescence photoexcitation of SiH/sub 2/ into high bending vibrational levels of the A tilde/sup 1/B/sub 1/ state. The Si(/sup 1/D/sub 2/) + H/sub 2/ channel appears to open between v/su

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::618487b5f11632a1c53c02c7045ef419
https://doi.org/10.1021/j100312a004

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Analytical Investigation of Plasma and Electrode Potentials in a Diode Type RF Discharge

Autor: J. I. Steinfeld, K. Suzuki, Ken Ninomiya, Shigeru Nishimatsu, J. W. Thoman

Publikováno v: Japanese Journal of Applied Physics. 25:1569

Electrical potentials of a plasma and both electrodes in a diode type RF discharge are analytically obtained under the assumptions of quasi-static electric fields in an ion sheath, low gas pressure, charge neutrality of the plasma, and η≪1 (η is

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0e4cac4478c0d78916c9461569f406b4
https://doi.org/10.1143/jjap.25.1569

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