Electron interactions with gases of atmospheric relevance
Electron- and photon-driven processes in icy surfaces
Development of instrumentation for in situ measurement of organic and inorganic analysis
Selected Awards
JPL Discovery Award (July 2021)
JPL Voyager Award (April 2020)
JPL Voyager Award (August 2017)
Selected Publications
A Deep Ultraviolet Raman and Fluorescence Spectral Library of 51 Organic Compounds for the SHERLOC Instrument Onboard Mars 2020 Hollis, JR; Sharma, S; et al. ASTROBIOLOGY doi: 10.1089/ast.2022.0023
Perseverance’s Scanning Habitable Environments with Raman and Luminescence for Organics and Chemicals (SHERLOC) Investigation Bhartia, R; Beegle, L.W.; et al. SPACE SCI REV doi:10.1007/s11214-021-00812-z
A.C. Noell, T. Ely, D.K. Bolser, H. Darrach, R. Hodyss, P.V. Johnson, J.D. Hein, and A. Ponce, Spectroscopy and Viability of Bacillus subtilis Spores after Ultraviolet Irradiation: Implications for the Detection of Potential Bacterial Life on Europa. Astrobiology, 15(1): p. 20-31 (2015).
W. Kedzierski, J.D. Hein, C.J. Tiessen, D. Lukic, J.A. Trocchi, T.Z. Mlinaric, and J.W. McConkey, Production of O(1D) following electron impact on CO2, Can J. Phys., 91, 1044 (2013).
J.D. Hein, H. Al-Khazraji, C.J. Tiessen, D. Lukic, J.A. Trocchi, and J.W. McConkey, Excited atomic fragments following electron dissociation of pyrimidine, J. Phys. B: At. Mol. Opt. Phys., 46, 045202 (2013).
J.D. Hein, P.W. Zetner, C.J. Bostock, D.V. Fursa, I. Bray, T. Das, and R. Srivastava, Differential cross sections and electron-impact coherence parameters for elastic electron scattering from laser-excited 138Ba , J. Phys. B: At. Mol. Opt. Phys., 45, 115202 (2012).
J.D. Hein, S. Kidwai, P.W. Zetner, C.J. Bostock, D.V. Fursa, I. Bray, L. Sharma, R. Srivastava, and A. Stauffer, Electron-impact coherence parameters for electron-impact excitation of laser-excited 174Yb (…6s6p 3P1), J. Phys. B: At. Mol. Opt. Phys., 44, 075201 (2011).
J.D. Hein, S. Kidwai, P.W. Zetner, C.J. Bostock, D.V. Fursa, I. Bray, L. Sharma, R. Srivastava, and A. Stauffer, Differential cross sections for electron-impact excitation of laser-excited 174Yb (…6s6p 3P1), J. Phys. B: At. Mol. Opt. Phys., 44, 015202 (2011).
J.D. Hein, C. Ududec, D.K. Sasaki, and P.W. Zetner, Integral cross sections for electron-impact ionization-excitation of laser-excited barium, J. Phys. B: At. Mol. Opt. Phys., 43, 0185206 (2010).