Publications and Presentations

Selected Presentations

Selected Invited Review Papers

  • T.J. Gay, "Physics and Technology of Polarized Electron Scattering From Atoms and Molecules," Adv.At.Mol.Phys. 57, 157 (2009).
  • T.J. Gay and F.B. Dunning, "Mott Electron Polarimetry," Rev. Sci. Instrum. 63, 1635 (1992). [PDF]

Selected Refereed Publications

  • N.B.Clayburn and T.J.Gay, "Alignment of the (3d104s5s)53S1 State of Zn Excited by Polarized Electron Impact," Phys.Rev.Lett. 119, 093401 (2017). [PDF]
  • C.M. Pfeiffer, T.J.Gay, J.A.Hawks, S.M.Farritor, and J.M.Burnfield, "Investigation of Toppling Ball Flight in American Football with a Mechanical Field-Goal Kicker," Sports Eng. 2017; DOI 10.1007/s12283-017-0254-x [PDF]
  • N. B. Clayburn, K.W. Trantham, M.Dunn, and T.J.Gay, "Method for Monitoring GaAs Photocathode Heat-Cleaning Temperature," Rev. Sci. Instrum. 87, 124903 (2016). [PDF]
  • N.B. Clayburn, E.Brunkow, G. H. Rutherford, S.J.Burtwistle, and T.J.Gay, "A Cylindrically Symmetric 'Micro-Mott' Electron Polarimeter," Rev. Sci. Instrum. 87, 053307 (2016). [PDF]
  • J.M.Dreiling, F.W.Lewis, J.D.Mills, and T.J.Gay, "Anomalously Large Chiral Sensitivity in the Dissociative Electron Attachment of 10-Iodocamphor," Phys. Rev. Lett. 116, 093201 (2016). [PDF]
  • J.M.Dreiling, S.J.Burtwistle, and T.J.Gay, "A New Technique for the Reduction of Helicity-Correlated Instrumental Asymmetries in Photoemitted Beams of Spin-Polarized Electrons," Appl. Opt. 54, 763 (2015). [PDF]
  • J.M.Dreiling and T. J. Gay, "Chirally-Sensitive Molecular Breakup in Bromocamphor and the Vester-Ulbricht Hypothesis," Phys. Rev. Lett. 113, 118103 (2014). (Featured as an APS Physics Focus article and as an Editor's Suggestion in Physical Review Letters. Featured also by Nature, Scientific American, Pour La Science, Chemistry World, the Zurich Times, and Physics Today.) [PDF]
  • J.W.Maseberg, K. Bartschat, and T. J. Gay, "Threshold Alignment Reversal and Circularly-Polarized Fluorescence in Rotationally-Resolved H2," Phys. Rev. Lett. 111, 253201 (2013). [PDF]
  • M. Pirbhai, J. Knepper, E.T.Litaker, D. Tupa, and T. J. Gay, "Optically-Pumped Spin-Exchange Polarized Electron Source," Phys. Rev. A. 88, 060701 (Rapid Communication) (2013). [PDF]
  • M. Pirbhai, D. M. Ryan, G. Richards, and T. J. Gay, "A Compact Inline Optical Electron Polarimeter," Rev.Sci.Instrum. 84, 053113 (2013). [PDF]
  • J. L. McCarter, A. Afanasev, T.J.Gay, J.Hansknecht, and M. Poelker, "Measurement of Electron Beam Polarization from Unstrained GaAs via Two-Photon Photoemission," Nuclear. Instrum. Meth. A. 738, 149 (2014).
  • J.M. Dreiling, E.B. Norrgard, D. Tupa, and T.J. Gay, "Transverse Measurements of Polarization in Optically-Pumped Rb Vapor Cells," Phys. Rev. A 86, 053416 (2012). [PDF]
  • N. B. Clayburn, J. L. McCarter, J. M. Dreiling, M. Poelker, D. M. Ryan, T. J. Gay, "A Search For Spin-Polarized Photoemission from GaAs Using Light With Orbital Angular Momentum," Phys. Rev. B 87, 035204 (2013). [PDF]
  • J.E.Furst, T.J.Gay, J.R.Machacek, A.L.D.Kilcoyne, K.W.McLaughlin, "Orientation of Doubly-Excited States in N2," Phys. Rev. A 86, 041401(Rapid Communication) (2012). [PDF]
  • E.T. Litaker, J.R.Machacek, and T.J.Gay, "Detecting an Extended Light Source Through a Lens," Eur.J.Phys. 32, 1107 (2011). [PDF]
  • J.R.Machacek, V.M.Andrianarijaona, J.E.Furst, A.L.D.Kilcoyne, A.L.Landers, E.T.Litaker, K.W.McLaughlin, and T.J.Gay, "Production of Excited Atomic Hydrogen and Deuterium from H2, HD and D2 Photodissociation," J.Phys.B 44, 045201(2010). [PDF]
  • E.B.Norrgard, D.Tupa, J.M.Dreiling, and T.J.Gay, "Electron Spin Reversal Phenomenon in Optically-Pumped Rb," Phys. Rev. A 82, 033408 (2010). [PDF]
  • J.McCarter, M.L.Stutzman, K.W.Trantham, T.G.Anderson, A.M.Cook, and T.J.Gay, "A Simple, Compact, Low-Voltage Mott Polarimeter," Nucl. Instrum. Meth. A618, 30 (2010).
  • J.W.Maseberg and T.J.Gay, "Exchange-Induced Spin Torque on a Molecule In the Absence of Spin–Orbit Coupling," Phys. Rev A 79, 022705 (2009).
  • T.J.Gay, C.H.Greene, J.R.Machacek, K.W.McLaughlin, H.W.van der Hart, O.Yenen, and D.H.Jaecks, "Use of Partial-Wave Decomposition to Identify Resonant Interference Effects in the Photoionization-Excitation of Argon," J.Phys.B. 42, 044008 (2009). (Chosen as an "IOP Select" publication.) [PDF]
  • A.D.Scheer, G.A.Gallup, and T.J.Gay, "Assignments of Normally Unoccupied Orbitals to the Temporary Negative Ion States of Several Lanthanide NMR Shift Reagents and Comments on Resonance Involvement in Electron Circular Dichroism Electron Scattering resonances and Electron Circular Dichroism in Selected NMR Shift Reagents," J.Phys.Chem.A 112, 4029 (2008).
  • J.D.Bozek, J.E.Furst, T.J.Gay, H.Gould, A.L.D.Kilcoyne, J.R.Machacek, F. Martín, K.W.McLaughlin, and J.L. Sanz-Vicario, "Production of Excited Atomic Hydrogen from H2 Photodissociation," J.Phys.B 39, 4871 (2006). (Chosen as an "IOP Select" publication.) [PDF]
  • J.W.Maseberg and T.J.Gay, "Fluorescence Polarization of Helium Negative Ion Resonances Excited by Polarized Electron Impact," J.Phys.B 39, 4861 (2006). [PDF]
  • A.D.Scheer, G.A.Gallup, and T.J.Gay, "Target Electron Helicity Density as a Source of Electron Circular Dichroism in Bromocamphor and Di-bromocamphor," J.Phys.B 39, 2169 (2006). [PDF]
  • H.M. Al-Khateeb, B.G. Birdsey, and T.J. Gay, "Angular Momentum Partitioning and Hexacontatetrapole Moments in Impulsively-Excited Argon Ions," Phys. Rev. A 71, 032707 (2005). [PDF]
  • A.S. Green, G.A.Gallup, M.A. Rosenberry, and T.J. Gay, "Spin-Exchange-Induced Circularly-Polarized Molecular Fluorescence," Phys. Rev. Lett. 92, 093201 (2004). [PDF]
  • M.A. Khakoo, D. Roundy, C. Hicks, N. Margolis, E. Yeung, A.W. Ross, and T.J. Gay, "Monte Carlo Studies of Mott Scattering Asymmetrics from Gold Foils," Phys. Rev. A 64, 052713 (2001). [PDF]
  • H.M. Al-Khateeb, B.G. Birdsey, and T.J. Gay, "Simultaneous Excitation and Ionization of Argon: Measurement of the Hexadecapole Moment," Phys. Rev. Lett. 85, 4040 (2000).
  • H.M. Al-Khateeb, B.G. Birdsey, T.C. Bowen, A.S. Green, M.E. Johnston, and T.J. Gay, "A Simplified GaAs Polarized Electron Source," Rev. Sci. Instrum. 70, 3882 (1999). [PDF]
  • B.G. Birdsey, H.M. Al-Khateeb, M.E. Johnston, T.C Bowen, T.J. Gay, V. Zeman, and K. Bartschat, "Near-Threshold Measurement of Integrated Stokes Parameters for Kr Excited by Polarized Electrons," Phys. Rev. A 60, 1046 (1999). [PDF]
  • H. Batelaan, A.S. Green, B.A. Hitt, and T.J. Gay, "An Optically-Pumped Electron Spin Filter," Phys. Rev. Lett. 82, 4216 (1999). [PDF]
  • H. Batelaan, T. J. Gay, and J. J. Schwendiman, "The Stern-Gerlach Effect for Electron Beams," Phys. Rev. Lett. 79, 4517 (1997); H. Batelaan and T.J. Gay, "Response to Comment by G.H. Rutherford and R. Grobe," Phys. Rev. Lett. 81, 968 (1998). [PDF]
  • V. Zeman, K. Bartschat, T. J. Gay, and K. W. Trantham, "Electron-Collision-Induced Alignment of Rare Gases near Threshold," Phys. Rev. Lett. 79, 1825 (1997). [PDF]
  • K.W. Trantham, T.J. Gay, and R.J. Vandiver, "An Inline Optical Electron Polarimeter," Rev. Sci. Instrum. 67, 4103 (1996). [PDF]
  • T.J. Gay, J.E. Furst, K.W. Trantham, and W.M.K.P. Wijayaratna, "Optical Electron Polarimetry with Heavy Noble Gases," Phys. Rev. A 53, 1623 (1996). [PDF]
  • K.W. Trantham, M.E. Johnston, and T.J. Gay, "Failure to Observe Electron Circular Dichroism in Camphor," J. Phys. B 28, L543 (1995). [PDF]
  • G. Csanak, S. Trajmar, J.C. Nickel, G.F. Hanne, J.W. McConkey, T.J. Gay, and M.A. Khakoo, "Comments on the Percival–Seaton Hypothesis," Comm. At. Mol. Phys. 30, 165 (1994). [PDF]
  • T.J. Gay, J.A. Brand, M.C. Fritts, J.E. Furst, M.A. Khakoo, E.R. Mell, M.T. Sieger, and W.M.K.P. Wijayaratna, "Clean Ultra–High Vacuum from Single–Structure Diffusion Pumps," J. Vac. Sci. Tech. A 12, 2903 (1994). [PDF]
  • J.E. Furst, W.M.K.P. Wijayaratna, D.H. Madison, and T.J. Gay, "Investigation of Spin–Orbit Effects in the Excitation of Noble Gases by Spin–Polarized Electrons," Phys. Rev. A 47, 3775 (1993). [PDF]
  • J.E. Furst, T.J. Gay, W.M.K.P. Wijayaratna, K. Bartschat, H. Geesman, M.A. Khakoo, and D.H. Madison, "An Attempt to Observe Mott Scattering Optically," J. Phys. B 25, 1089 (1992). [PDF]
  • T.J. Gay, J.A. Brand, J.E. Furst, M.A. Khakoo, W.V. Meyer, W.M.K.P. Wijayaratna, and F.B. Dunning, "Extrapolation Procedures in Mott Electron Polarimetry," Rev. Sci. Instrum. 63, 114 (1992). [PDF]
  • P.A. Souder, R. Holmes, D.H. Kim, K.S. Kumar, M.E. Schulze, K. Isakovich, G.W. Dodson, K.A. Dow, M. Farkhondeh, S.Kowalski, M.S. Lubell, J. Bellanca, M. Goodman, S. Patch, R. Wilson, G.D. Cates, S. Dhawan, T.J. Gay, V.W. Hughes, A. Magnon, R. Michaels, and H.R. Schaefer, "Measurement of Parity Violation in the Elastic Scattering of Polarized Electrons from 12C," Phys. Rev. Lett. 65, 694 (1990).
  • G.D. Fletcher, T.J. Gay, and M.S. Lubell, "New Insights Into Mott–Scattering Electron Polarimetry," Phys. Rev. A 34, 911 (1986).
  • T.J. Gay, "A Simple Optical Electron Polarimeter," J. Phys. B 16, L553 (1983). [PDF]