WILLIAM M. JACKSON

Professor

Email: jackson@chem.ucdavis.edu

Physical Chemistry

Ford Foundation Scholar, Morehouse College, 1952-56. B.S., Morehouse College, 1956. Ph.D., Catholic University of America, 1961. Research Scientist, Martin-Marietta Company, Maryland, 1961-63. National Research Council Postdoctoral Research Associate, National Bureau of Standards, National Academy of Sciences, Washington, D.C., 1963-64. Staff Chemist; Staff Scientist, Goodard Space Flight Center, NASA, 1964-69; 1969-74. Visiting Associate Professor, University of Pittsburgh, 1969-70. Appointed to faculty, Howard University, 1974-85. National Organization for the professional Advancement of Black Chemists and Chemical Engineers; Board of Directors, 1973-76; Treasurer, 1973-76; Distinguished Service Award, 1978; Percy Julian Award, 1985. Appointed to faculty, UC Davis, 1985-. German Academic Exchange Service Study Fellowship, Astrophysics Institute at the University of Erlangen, Germany, 1981. Miller Professor, University of California, 1988. Guggenheim Fellow, 1989. NSF: Member, Chemistry Advisory Panel, 1988-91. Member of the Directors Committee on Equal Opportunity in Science and Engineering, 1994-Present. Member, Mathematical and Physical Science Directorate Advisory Panel, 1995-Present. Visiting Professor, Department of Chemistry, National Taiwan University, Taipei,Taiwan, ROC. 8/1/96 - 4/30/97 National Science Council Visiting Research Professorship, Institute for Atomic and Molecular Science, Academia Sinica, Taipei, Taiwan, ROC. 8/1/96 - 4/30/97 Alexander von Humboldt Foundation, Humboldt Research Award for Senior US Scientist, 1996. Institute for Physical Chemistry, Technical University of Munich. American Association for the Advancement of Science 1997 - Lifetime Mentor Award.

Research Interests

Laser chemistry, laser photochemistry, and cometary astrochemistry.Photodissociation of ions and molecules is being studied using velocity-ion-imaging to determine the identity, velocity and angular distribution of the fragments. Four-wave-mixing techniques are used to generate vacuum-ultraviolet-wavelength for both photodissociation and photoionization. The molecules that are being investigated are the ones that are important for understanding molecules that are present in comets, planetary atmospheres and the interstellar medium.

Publications

LIF of C₂(A ¹P_u) via the Freymark band (E ¹S_g⁺ � A ¹P_u). Blunt, V., H. Lin, O. Sorkhabi, and W. M. Jackson, Chemical Physics Letters 257, 347-350 (1996).

Using photochemistry to explain the formation and observation of C₂ in comets. Sorkhabi, O., V. M. Blunt, H. Lin, M. F. A'Hearn, H. A. Weaver, C. Arpigny and W. M. Jackson, Planet. Space Sci., 45(6), 721-730 (1997).

Photodissociation of C₂H at 193 nm: Branching ratios for the formation of C₂ in the X ¹S_g⁺, A ¹P_u, and B' ¹S_g⁺ states. Sorkhabi, O., V. M. Blunt, H. Lin, D. Xu, Jacek Worblet, R. Price and W. M. Jackson, J. Chem. Phys., 107(23), 9842-9851, (1997).

Using ab Initio MO Calculations To Understand the Photodissociation Dynamics of CH₂CCH₂ and CH₃C₂H. Jackson, W. M., A. M. Mebel, S. H. Lin and Y. T. Lee, J. Phys. Chem. A, 101, 6638-6646 (1997).

Extending the Diatomic FTIR Experiment: A Computational Exercise To Calculate Potential Energy Curves. Sorkhabi, O., W. M. Jackson and I. Daizadeh, J. Chem. Education, 75, 238-240 (1998).

Franck-Condon Factors and Analysis of Several Electronic Systemsof C₂. Sorkhabi, O., D. D. Xu, V. M. Blunt, H. Lin, R. Price, and W. M. Jackson, J. Molecular Spectroscopy, 188, 200-208 (1998).

Photodissociation Dynamics of Propyne and Allene: a View from Ab Initio Calculations of the C₃H_n (n = 1-4) Species and the Isomerization Mechanism for C₃H_n. Mebel, A. M., W. M. Jackson, A. H. H. Chang, and S. H. Lin, J. Am. Chem. Soc. 120, 5751-5763 (1998).

Collisional Energy Transfer in High Vibrational Excited C₇₀. W.-Q. Deng, J.-P. Zhan, K.-L. Han, G.-Z. He, and W. M. Jackson, Chem. Phys. Letters. 287, 747-752 (1998).

Velocity Map Imaging of the Lyman a Photodissociation Mechanism for H Atom Production. W. M. Jackson, R. J. Price, D. D. Xu, J. D. Worbel, M. Ahmed, D. S. Peterka, and A. G. Suits, J. Chem. Phys. 109, 4703-4706(1998).

Dissociation Dynamics of Acetylene Rydberg States as a Function of Excited State Lifetime. P. L�ffler, E. Werde, L. Sneider, J. B. Halpern, W. M. Jackson, and K. H. Welge, J. Chem. Phys. 109, 5231-5246 (1998).

Cometary Spectroscopy for Advanced Undergraduates. Sorkhabi, O., W. M. Jackson, and I. Daizadeh, J. Chem. Ed., 75, 1472-1476(1998).

Photodissociation of propyne and allene at 193 nm with vacuum ultraviolet detection of the products.J. D. Huang, Y. T. Chen, A. H. Kung, W. M. Jackson, and C.-K. Ni, J. Chem. Phys., 110, 3320-3325(1999).

Site-Directed Photocleavage for Mapping Protein Architecture. R. Miyake, J. T. Owens, D. Xu, W. M. Jackson, and C. F. MearesJ. Am. Chem. Soc, 121,7453-7454(1999).

High Sensitivity Laser Absorption Measurements of Broad Band Absorbers in the Near-Infrared Spectral Region. Kevin L. McNesby, Richard T. Wainner, Robert G. Daniel, Andrzej W. Miziolek, W.M. Jackson, and Ian A. McLaren Applied Optics, 39, 5006-5011(2000).

Velocity Imaging Studies Using a Vacuum Ultraviolet Laser. W. M. Jackson, D. Xu, R. J. Price, K. L. McNesby, and I. A. McLaren.ACS Symposium Series, 770

Imaging in Chemical Dynamics. A. G. Suits and R. E. ContinettiEds. American Chemical Society, Washington, DC , pp, 103-125.

Photodissociation of the Acetone Cation at 355 nm using the Velocity Imaging Technique.William M. Jackson, and Dadong Xu,J. Chem. Phys, 113, 3651-3657(2000).

Photodissociation of ethyl bromide cation at 355 nm by means of TOF-MS and ion velocity imaging techniques. Dadong Xu, Roosevelt J. Price, Jianhua Huang and William M. Jackson, J. Chem. Ed., 75, 1472-1476(1998).

Photodissociation of the dibromomethane cation at 355 nm by means of ion velocity imaging. J. Huang, Dadong Xu, W.H. Fink, and W.M. Jackson, J. Chem. Ed., 115, 6012-6017(2001).

Cometary Spectroscopy for Advanced Undergraduates. Sorkhabi, O., W. M. Jackson, and I. Daizadeh, Zeitschrift f�r Physikalische Chemie, 215, 253-271(2001)..

Detection and measurement of middle distillate fuel vapors by use of tunable diode lase. K.L. McNesby, R.T. Wainner, R.G. Daniel, R.R. Skaggs, J.B. Morris, A.W. Miziolek, W.M. Jackson, and I.A. McLaren, Applied Optics., Vol. 40, pp, 840-845 (2001).

Measurement of middle distillate fuel vapor concentrations using diode laser spectroscopy , K.L. McNesby, R.G. Daniel, A.W. Miziolek, R.T. Wainner, W.M. Jackson, I.A. McLaren, Proceedings of Halon Options Technical Working Conference (HOTWC), May, 2000 in press.

Extracting Angular and Speed Distributions from 2-D Ion Images , Roosevelt J. Price,Kevin L.McNesby, Dadong Xu, William M. Jackson. NOBCChE 27, (2000).

Global Potential Energy Surfaces for Five Doublet Electronic States of C2H: Overview and Description of the Crossing Regions. A. M. Mebel, A. H. H. Chang, M. Hayashi, W. M. Jackson, Y.-C. Hsu, and S. H. Lin, accepted J. Chem. Phys. March, 2001.