Search Results - "Sears, Trevor J."

A theoretical study of the potential energy surface for the reaction OH + CO → H + CO2 by YU, Hua-Gen, MUCKERMAN, James T, SEARS, Trevor J

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Photodissociation of Bromoform at 248 nm:  Single and Multiphoton Processes by Zou, Peng, Shu, Jinian, Sears, Trevor J, Hall, Gregory E, North, Simon W

“…We have performed photodissociation experiments on CHBr3 at 248 nm using VUV ionization photofragment translational spectroscopy. Prompt C−Br bond fission is…”
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Kinetic study of the OH + ethylene reaction using frequency‐modulated laser absorption spectroscopy by Lockhart, James P. A., Gross, Eisen C., Sears, Trevor J., Hall, Gregory E.

“…The pressure dependence of the OH + C2H4 addition reaction has been investigated using frequency‐modulated laser absorption spectroscopy to monitor OH…”
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Doppler-Resolved Kinetics of Saturation Recovery by Forthomme, Damien, Hause, Michael L, Yu, Hua-Gen, Dagdigian, Paul J, Sears, Trevor J, Hall, Gregory E

“…Frequency-modulated laser transient absorption has been used to monitor the ground-state rotational energy-transfer rates of CN radicals in a double-resonance,…”
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Argon-Induced Pressure Broadening, Shifting, and Narrowing in the CN A2Π–X2Σ+ (1–0) Band by Forthomme, Damien, McRaven, Christopher P, Sears, Trevor J, Hall, Gregory E

“…Selected isolated rotational transitions in the 1–0 band of the red A2Π–X 2Σ+ system in CN have been recorded with transient frequency modulation spectroscopy…”
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What Is the Best DFT Functional for Vibronic Calculations? A Comparison of the Calculated Vibronic Structure of the S1–S0 Transition of Phenylacetylene with Cavity Ringdown Band Intensities by Lopez, Gary V, Chang, Chih-Hsuan, Johnson, Philip M, Hall, Gregory E, Sears, Trevor J, Markiewicz, Beatrice, Milan, Mariana, Teslja, Alexey

“…The sensitivity of vibronic calculations to electronic structure methods and basis sets is explored and compared to accurate relative intensities of the…”
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Enhancement of Triplet Stability in Benzene by Substituents with Triple Bonds by Johnson, Philip M, Sears, Trevor J

“…Excitation of phenylacetylene (PA) and benzonitrile to their lowest singlet states in a molecular beam has previously been shown to immediately (only during…”
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Temperature-Dependent, Nitrogen-Perturbed Line Shape Measurements in the ν1 + ν3 Band of Acetylene Using a Diode Laser Referenced to a Frequency Comb by Cich, Matthew J, Forthomme, Damien, McRaven, Christopher P, Lopez, Gary V, Hall, Gregory E, Sears, Trevor J, Mantz, Arlan. W

“…The P(11) line of the ν1 + ν3 combination band of C2H2 was studied using an extended cavity diode laser locked to a frequency comb. Line shapes were measured…”
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Vibronic Analysis of the S1−S0 Transition of Phenylacetylene Using Photoelectron Imaging and Spectral Intensities Derived from Electronic Structure Calculations by Chang, Chih-Hsuan, Lopez, Gary, Sears, Trevor J, Johnson, Philip M

“…The vibrational structure of the S1−S0 electronic band of phenylacetylene has been recorded by 1 + 1 resonance-enhanced multiphoton ionization, accompanied by…”
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State Mixing and Predissociation in the c̃ ← ã Band System of Singlet Methylene Studied by Optical−Optical Double Resonance by Wang, Zhong, Kim, Yangsoo, Hall, Gregory E, Sears, Trevor J

“…In an attempt to characterize the state interactions near the dissociation energy of singlet methylene, the near ultraviolet band system of singlet methylene…”
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Sub-Doppler Stark Spectroscopy in the A−X (1,0) Band of CN by Hause, Michael L, Hall, Gregory E, Sears, Trevor J

“…The effect of external electric fields has been measured in hyperfine-resolved sub-Doppler transitions in the A 2Π−X 2Σ (1,0) band of the CN radical near 10…”
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Photoinduced Rydberg ionization spectroscopy of the B state of benzonitrile cation by Xu, Haifeng, Johnson, Philip M, Sears, Trevor J

“…Photoinduced Rydberg ionization (PIRI) spectra of the second excited electronic state of benzonitrile cation were recorded via the origin and 6a1 and 6b1…”
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AC Stark detection of optical-optical double resonance in CH2 by Kim, Yangsoo, Hall, Gregory E, Sears, Trevor J

“…A new scheme for the detection of double resonance spectra of chemical intermediates involves negligible population transfer but the detection of electric…”
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Photoinduced Rydberg Ionization Spectroscopy of Phenylacetylene:  Vibrational Assignments of the C̃ State of the Cation by Xu, Haifeng, Johnson, Philip M, Sears, Trevor J

“…The photoinduced Rydberg ionization spectrum of the third excited electronic state of phenylacetylene cation was recorded via the origin of the cation ground…”
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Pseudo-continuous resonance enhanced multiphoton ionisation: application to the determination of the hyperfine constants of 208Pb19F by Sivakumar, P., McRaven, C.P., Rupasinghe, P.M., Yang, T.Zh, Shafer-Ray, N.E., Sears, Trevor J., Hall, Gregory E.

“…A highly efficient pseudo continuous resonance enhanced multiphoton ionisation detection scheme is presented that combines the sensitivity of resonance…”
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Doppler-Resolved Spectroscopy as an Assignment Tool in the Spectrum of Singlet Methylene by Hall, Gregory E, Komissarov, Anatoly V, Sears, Trevor J

“…New spectra of methylene, CH2, in the near-infrared have been obtained following 308 nm photolysis of ketene, CH2CO. Nascent photofragment Doppler spectra and…”
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Absorption Spectroscopy of Singlet CH2 near 9500 cm-1 by Kobayashi, Kaori, Pride, Leah D, Sears, Trevor J

“…The b̃ 1B1−ã 1A1 spectrum of methylene between 9317 and 9610 cm-1 was recorded using frequency-modulated diode laser absorption spectroscopy. This is the…”
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Kinetics and Product Study of the Reaction of CH3 Radicals with O(3P) Atoms Using Time Resolved Time-of-Flight Spectrometry by Fockenberg, Christopher, Hall, Gregory E, Preses, Jack M, Sears, Trevor J, Muckerman, James T

“…The kinetics and product distribution for the reaction of methyl radicals, CH3, with ground-state O(3P) oxygen atoms have been investigated. This reaction was…”
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Investigating the photodissociation of H2O2 using frequency modulation laser absorption spectroscopy to monitor radical products by Lockhart, James P.A., Gross, Eisen C., Sears, Trevor J., Hall, Gregory E.

“…[Display omitted] •Detection of OH and HO2 has been demonstrated using FM laser absorption spectroscopy.•Room temperature photolysis of H2O2 at 193 nm in argon…”
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Frequency-comb referenced spectroscopy of v4- and v5-excited hot bands in the 1.5μm spectrum of C2H2 by Twagirayezu, Sylvestre, Cich, Matthew J., Sears, Trevor J., McRaven, Christopher P., Hall, Gregory E.

“…[Display omitted] •More than 130 v4 and v5 hot band lines in the v1+v3 band of C2H2 frequency measured with errors below 25kHz.•Perturbations in excited state…”
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