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  • 1
    Electronic Resource
    Electronic Resource
    Extreme ultraviolet laser/time-of-flight mass spectra of Kr2 near Kr*(4d,5p′,6s) (2001)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 114 (2001), S. 4025-4035 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: New single-photon spectra of jet-cooled Kr2 between ∼98 700 and 99 900 cm−1 have been recorded with an extreme ultraviolet laser generated by four-wave sum-mixing in Xe gas. Molecular ions created by (1+1′) resonance enhanced multiphoton ionization, and daughter atomic ions created by excited state predissociation prior to ionization were mass dispersed and detected in a time-of-flight mass spectrometer. Analyses of the subsequent single isotopic spectra have resulted in vibrational numbering and constants for eight band systems of Kr2 that dissociate to Kr(1S0)+Kr*(4d,5p′,6s). Excited state bond lengths were estimated by Franck–Condon factor intensity simulations. When possible, electronic symmetry assignments for the states were established by correlation diagrams constructed from angular momentum arguments. Possible reasons are discussed for the deviations observed for the shape of many of the observed Rydberg state potential energy curves from their expected nonbonding form. © 2001 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1308559
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  • 2
    Electronic Resource
    Electronic Resource
    Generation of the C"6"0 radical cation via electron transfer reaction. A pulse radiolysis study
    Amsterdam : Elsevier
    Chemical Physics Letters 203 (1993), S. 555-559 
    Details
    ISSN: 0009-2614
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0009-2614(93)85309-C
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  • 3
    Electronic Resource
    Electronic Resource
    Mass-resolved multiphoton ionization spectra of XeKr in the region of Xe* (6p,5d) (1995)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 103 (1995), S. 6313-6324 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: Single isotopomer (2+1) resonantly enhanced multiphoton ionization (REMPI) spectra of jet-cooled XeKr have been recorded using time-of-flight (TOF) mass detection. Vibrational analyses for several transitions involving excited states that dissociate to Kr(1S0)+Xe* (6p,5d) between 77 560 and 80 150 cm−1 are reported for the first time. Equilibrium bond lengths were established by Franck–Condon calculations, while excited state symmetries were inferred from excitation spectra recorded using circularly polarized light. A local vibrational perturbation evident in the dominant band system dissociating to Kr(1S0)+Xe*5p56p[5/2]2 has also been analyzed. The identity of the perturbing state is proposed, based in part, on predissociation spectra obtained by monitoring atomic fragments in TOF detection. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.470412
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  • 4
    Electronic Resource
    Electronic Resource
    Mass-resolved two-photon spectra of Xe2 in the region of Xe*(5d). I. Vibronic analyses (1997)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 106 (1997), S. 9411-9418 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: Eight band systems of jet-cooled Xe2 between 83 763.9 and 80 149.8 cm−1 involving gerade excited states that dissociate to Xe(1S0)+Xe*5d[3/2]10, Xe(1S0)+Xe*5d[5/2]30, Xe(1S0)+Xe*5d[5/2]20, Xe(1S0)+Xe*5d[7/2]30, Xe(1S0)+Xe*5d[7/2]40, and Xe(1S0)+Xe*6p[1/2]0 have been characterized using (2+1) resonance enhanced multiphoton ionization/time-of-flight mass spectrometry, many for the first time. Excited state vibrational numbering and constants, including dissociation energies were obtained from bandhead measurements made from separate single isotopomer spectra. Bond lengths were estimated from Franck–Condon factor intensity simulations, while excited state electronic symmetries were deduced primarily from polarization measurements. In three instances, energy barriers due to double well potential energy curve formation are identified. © 1997 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.473846
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  • 5
    Electronic Resource
    Electronic Resource
    Vibronic analyses of the mass-resolved NeXe spectra near Xe*(6p) (1997)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 107 (1997), S. 4817-4826 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: New mass-resolved two-photon spectra of NeXe involving molecular Rydberg states that dissociate to Ne+Xe*(6p) have been recorded using the combined techniques of (2+1) resonance enhanced multiphoton ionization and time-of-flight mass spectrometry. Excited state symmetries were deduced from separate spectra recorded with linearly and circularly polarized light. Vibronic analyses show that most of the excited states in this spectral region are essentially repulsive except for shallow minima whose electronic origins lie above their asymptotic dissociation limits. The magnitude of the potential humps for the excited states have been estimated. These results are rationalized in terms of an excited state bonding scheme that is dominated predominately by the interplay between repulsive exchange interactions and attractive long-range forces. © 1997 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.474845
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  • 6
    Electronic Resource
    Electronic Resource
    Mass-resolved two-photon spectra of ArXe in the region of Xe*(6p) (1996)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 104 (1996), S. 1213-1224 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: (2+1) resonantly enhanced multiphoton ionization (REMPI) spectra of ArXe have been recorded between ≈78 000 and 80 110.0 cm−1. Single isotopomer data was obtained using a time-of-flight (TOF) mass spectrometer. Vibrational analyses for several transitions involving ArXe excited states that dissociate to Ar(1S0)+Xe*(6p) are presented, in some instances, for the first time. In addition to vibrational numbering and constants, excited state symmetries were deduced from separate REMPI/TOF spectra recorded with linearly and circularly polarized light, while excited state bond lengths were derived from Franck–Condon factor calculations. Some of the excited states were found to have potential humps and/or unusual vibrational band intensity distributions. Where possible, the nature of the perturbations is discussed. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.470781
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  • 7
    Electronic Resource
    Electronic Resource
    Mass-resolved two-photon and photoelectron spectra of Xe2 in the Xe(4f) region above the first molecular ionization limit (1998)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 109 (1998), S. 3944-3953 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: Two-photon resonance enhanced multiphoton ionization (REMPI), time-of-flight (TOF) mass spectrometry, and photoelectron spectroscopy have been used to investigate the gerade Xe2 Rydberg states located just above the first molecular ionization limit. Effective vibrational analyses are presented for five dimer states that dissociate to Xe+Xe*(4f ). The electronic symmetries of the band systems in this region were deduced from separate REMPI spectra recorded with linearly and circularly polarized laser light while excited state bond lengths were estimated from Franck–Condon intensity simulations. Two photoelectron signals were measured for each molecular resonance examined in this work. The strongest one, having a near zero kinetic energy, is attributed to dimer electrons released through autoionization. The weaker photoelectron signals corresponding to faster electrons originate from excited state Xe atoms formed by predissociation. © 1998 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.476994
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  • 8
    Electronic Resource
    Electronic Resource
    Erratum: "Mass-resolved two-photon spectra of Xe2 in the region of Xe*(5d). II. Dominant ion-core assignments by dispersive photoelectron spectroscopy" [J. Chem. Phys. 106, 9419 (1997)] (1997)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 107 (1997), S. 5275-5275 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.475330
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  • 9
    Electronic Resource
    Electronic Resource
    Mass-resolved two-photon spectra of Xe2 in the region of Xe*(5d). II. Dominant ion-core assignments by dispersive photoelectron spectroscopy (1997)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 106 (1997), S. 9419-9426 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: New dispersive photoelectron spectra have been used to identify the dominant ion cores associated with the XeXe*(5d) Rydberg states analyzed in the preceding paper. These results, for the most part, confirm predictions made from angular momentum arguments. Evidence for excited state predissociation and perturbations are also presented. © 1997 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.474113
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  • 10
    Electronic Resource
    Electronic Resource
    Analysis of the mass-resolved two-photon spectra of jet-cooled ArKr near Kr*(5p) and Ar*(4s) (1996)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 104 (1996), S. 9669-9677 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: New (2+1) resonantly enhanced multiphoton ionization (REMPI) spectra of ArKr in the region of Kr*(5p) and Ar*(4s) between ≈92378.8 and 94250.7 cm−1 are presented. A time-of-flight (TOF) mass spectrometer was used to obtain single isotopomer data. Four band systems, two previously observed by Dehmer and Pratt [J. Chem. Phys. 88, 4139 (1988)], and two new ones, have been vibrationally analyzed. Excited state bond lengths have been found from Franck–Condon factor calculations while electronic symmetries were assigned from REMPI spectra recorded with circularly polarized light. Our excited state symmetry assignments differ from those recently proposed by Heck et al. [J. Phys. Chem. 99, 17700 (1995)]. The unusual vibrational band intensity distributions observed for some of the electronic systems are rationalized qualitatively in terms of interstate avoided crossings. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.471756
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