个人简介

S, Utah State University (1997) Ph.D., Purdue University (2002) Postdoctoral Scholar, California Institute of Technology/Jet Propulsion Laboratory (2002-2005)

研究领域

Analytical Chemistry

Our group utilizes both computational and experimental tools to investigate a variety of environmental and atmospheric chemistry issues. We couple together high level ab initio computational studies with experimental studies designed to investigate the kinetics and spectroscopy of important atmospheric species and reactions. Our laboratory studies are complemented by in situ air sampling campaigns designed to investigate source apportionment and general air quality issues. We utilize a human subject exposure chamber/environmental chamber to aid in the interpretation of our air sampling campaign studies. We also have an active research element in our group that studies the conversion of biomass into energy. These elements are described in more detail in the following links: Kinetics and Spectroscopy of Earth's Atmosphere Air Sampling Campaigns and Human Subject Exposure Chamber/Environmental Chamber Biofuel/Alternative Energy Research Group

近期论文

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Xu, Dadong; Huang, Jianhua; Francisco, Joseph S.; Hansen, Jaron C.; Jackson, William M., "Photodissociation of carbonic dibromide at 267nm: observation of three-body dissociation and molecular elimination of Br2," Journal of Chemical Physics, 2002, 117, 7483-7490. Hansen, Jaron C. and Francisco, Joseph S., “Radical-molecule complexes: changing our perspective on the molecular mechanisms of radical-molecule reactions and their impact on atmospheric chemistry,” ChemPhysChem, 2002, 3, 833-840. Hansen, Jaron C.; Li, Yumin; Rosado-Reyes, Claudette M.; Francisco, Joseph S.; Szente, Joseph J.; Maricq, M. Matti, “Theoretical and Experimental Investigation of the UV Cross Section and Kinetics of the Methyl Formate Peroxy Radical,” Journal of Physical Chemistry, 2003, 107, 5306-5316. Christensen, Lance E.; Okumura, Mitchio; Hansen, Jaron C.; Sander, Stanley P.; Francisco, Joseph S., “Experimental and ab Initio Study of the HO2-CH3OH Complex: Thermodynamics and Kinetics of Formation,” Journal of Physical Chemistry A, 2006,110,6948-6959. Hansen, Jaron C.; Flowers, Bradley A.; Stanton, John F., “Computational study of the vibrational and electronic spectroscopy of a HO2-H2O2 complex,” Journal of Molecular Structure: THEOCHEM, 2006, 768, 111-118. Pope, Francis D.; Hansen, Jaron C.; Bayes, Kyle D.; Friedl, Randall R.; Sander, Stanley P.” Ultraviolet Absorption Spectrum of Chlorine Peroxide, ClOOCl,” Journal of Physical Chemistry A., 2007,111,4322-4332. Clark, Jared; English, Alecia M.; Francisco, Joseph S.; Hansen, Jaron C. “Computational Study of the Existence of Organic Peroxy Radical-Water Complexes (RO2-H2O),“ Journal of Physical Chemistry A, 2008,112,1587-1595. English, Alecia J.; Szente, Joseph J.; Maricq, Matti M.; Hansen, Jaron C., “The Effects of Water Vapor on the CH3O2 Self-Reaction and Reaction with HO2,“ Journal of Physical Chemistry A., 2008,112,9220-9228. Hansen, Jaron C.; Friedl, Randall R.; Sander, Stanley P. “Kinetics of the OH + ClOOCl and OH + Cl2O Reactions: Experiment and Theory,” Journal of Physical Chemistry A, 2008, 112,9229-9237. Hansen, Jaron C.; Woolwine III, Woods R.; Bates, Brittney L.; Clark, Jared M.; Kuprov, Roman Y.; Mukherjee, Puspak; Murray, Jacolin A.; Simmons, Michael A.; Waite, Mark F.; Eatough, Norman L.; Eatough, Delbert J.; Long, Russell; Grove, Brett D. “Semi-Continuous PM2.5 and PM10 Mass and Composition Measurements in Lindon, Utah During Winter 2007,“ Journal of the Air and Waste Management Association, 2010,60,346-355. Kuprov, Roman; Eatough, Delbert J.; Cruickshank, Tyler; Olson, Neal; Hansen, Jaron C. “Composition and Secondary Formation of Fine Particulate Material in the Salt Lake Valley: Winter 2009,” in review, Journal of the Air and Waste Management Association, 2010. Clark, Jared; Call, Seth T.; Austin, Daniel; Hansen, Jaron C. “Computational Study of Isoprene Hydroxyalkyl Peroxy Radical-Water Complexes (C5H8(OH)O2-H2O),” Journal of Physical Chemistry A, 2010, 114,6534-6541. Hansen, Clifford W.; Hansen, Lee D.; Nicholson, Allen D.; Thomas, Nathan; Clark, Jared; Chilton, Marie C.; Hansen, Jaron C.; “Correction for Instrument Time Constant in Determination of Reaction Kinetics” International Journal of Chemical Kinetics, Oct. 20, 2010. Cline, Taylor; Thomas, Nathan; Shumway, Logan; Yeung, Irene; Hansen, Conly L.; Hansen, Lee D.; Hansen, Jaron C. “ Method for Evaluating Anaerobic Digester Performance,” Bioresource Technology, 2010, 101,8623-8626 Riffault, Veronique; Hansen, Jaron C.; Clark, Jared; Ravishankara, A.R.; Burkholder, James B. “ Temperature-Dependent Rate Coefficients and Theoretical Calculations for the OH + Cl2O Reaction” ChemPhysChem, 2010,11,4060-4068. Kuprov, Roman; Buck, David; Eatough, Delbert J.; Hansen, Jaron C.; “Design and Characterization of a Two-stage Human Subject Exposure Chamber,” Journal of the Air and Waste Management Association, August 23, 2011. Mayo, MacKenzie H.; Nicholson, Allen D.; Hansen, Lee D.; Hansen, Jaron C. “Chemical Treatment of Algae to Facilitate Biogas Production by Anaerobic Digestion,” American Society of Agricultural and Biological Engineers, 2011, 54(4),1547-1550. Pope, Arden C. III; Hansen, Jaron C.; Kuprov, Roman; Sanders, Matthew D.; Anderson, Michael N.; Eatough, Delbert J. “ Vascular Function and Short-Term Exposure to Fine Particulate Air Pollution”, Journal of the Air and Waste Management Association, August 23, 2011. Burrell, Emily; Clark, Jared M.; Snow, Mathew; Dumais, Heidi; Lee, Seong-Cheol; Nielson, Brad J.; Osborne, Derek; Cardona-Salamanca, Lucia; Zemp, Logan; DaBell, Ryan S.; Hansen, Jaron C. “Computational Study of Hexanal Peroxy Radical-Water Complexes” International Journal of Quantum Chemistry, August 29, 2011. Clark, Jared; Kumbhani, Sambhav; Francisco, Joseph S.; Hansen, Jaron C. “HNO3-NHx, H2SO4-NHx, CH(O)OH-NHx, and CH3C(O)OH-NHx complexes and their role in the formation of condensation nuclei”, The Journal of Chemical Physics, 2011, 135, 244305.