Professor, Emeritus

e-mail: ggallup1@unl.edu

Office: Behlen SB57

Phone: (402) 472-1230

**Research Interests:**Applications of symmetric groups to elucidation of spin states of multifermion systems; elastic and inelastic electron scattering from and dissociative attachment in polyatomic molecules; scattering of polarized electrons from chiral molecules.

#### 2012

Electron attachment to molecules in a cluster environment, Ilya I. Fabrikant, S. Caprasecca, Gordon A. Gallup, and J. D. Gorfinkiel

#### 2010

Semiclassical complex-time method for tunneling ionization: Molecular suppression and orientational dependence, Gordon A. Gallup and Ilya I. Fabrikant

#### 2009

Semiclassical Propagation Method for Tunneling Ionization, Ilya I. Fabrikant and Gordon A. Gallup

Scattering and bound-state solutions to the wave equation for one electron in the presence of a physical dipole, Gordon A. Gallup

Electron-Induced Bond Breaking at Low Energies in HCOOH and Glycine: The Role of Very Short-Lived σ* Anion States, Gordon A. Gallup, Paul Burrow, and Ilya I. Fabrikant

Reply to “Comment on ‘Electron-induced bond breaking at low energies in HCOOH and glycine: The role of very short-lived σ anion states’ ”, Gordon A. Gallup, Paul Burrow, and Ilya I. Fabrikant

#### 2007

Errors in the application of the JWKB method to calculating the survival factor in dissociative electron attachment using the local complex potential, Gordon A. Gallup

Resonances and threshold effects in low-energy electron collisions with methyl halides, Gordon A. Gallup and Ilya I. Fabrikant

Total dissociative electron attachment cross sections of selected amino acids, A.M. Scheer, P. Mozejko, Gordon A. Gallup, and Paul Burrow

#### 2006

Remote bond breaking by interacting temporary anion states, Paul Burrow and Gordon A. Gallup

Vibrational Feshbach resonances in uracil and thymine, Paul Burrow, Gordon A. Gallup, Adam M. Scheer, G. Denifl, S. Ptasinska, T. Märk, and P. Scheier

Angular Momentum Partitioning in the Dissociation of Diatomic Molecules, Timothy J. Gay, J. D. Bozek, J. E. Furst, Gordon A. Gallup, A. S. Green, A. L. D. Kilcoyne, J. R. Machacek, J. W. Maseberg, K. W. McLaughlin, and Mark A. Rosenberry

An investigation of electron helicity density in bromocamphor and dibromocamphor as a source of electron circular dichroism, A.M. Scheer, Gordon A. Gallup, and Timothy J. Gay

#### 2005

Complex energy shift and background phase shift for simulated electron-molecular shape resonances, Gordon A. Gallup

Dissociative electron attachment to uracil deuterated at the N_{1} and N_{3} positions, A. M. Scheer, C. Silvernail, John A. Belot Jr., Gordon A. Gallup, and Paul Burrow

#### 2004

Orientation and bonding of biphenyldimethyldithiol, A. N. Caruso, R. Rajesh, Gordon A. Gallup, Jody G. Redepenning, and Peter A. Dowben

The structures of *c*-C_{4}F_{8} and *c*-C_{4}F_{8}^{¯} and the adiabatic electron affinity of *c*-C_{4}F_{8}, Gordon A. Gallup

Spin-Exchange-Induced Circularly Polarized Molecular Fluorescence, A.S. Green, Gordon A. Gallup, Mark A. Rosenberry, and Timothy J. Gay

Bond Breaking and Temporary Anion States in Uracil and Halouracils: Implications for the DNA Bases, Adam M. Scheer, Kayvan Aflatooni, Gordon A. Gallup, and Paul Burrow

#### 2003

Dissociative electron attachment near threshold, thermal attachment rates, and vertical attachment energies of chloroalkanes, Gordon A. Gallup, Kayvan Aflatooni, and Paul Burrow

#### 2002

A Short History of Valence Bond Theory, Gordon A. Gallup

#### 2001

Temporary anion states of selected amino acids, Kayvan Aflatooni, B. Hitt, Gordon A. Gallup, and Paul Burrow

Quantum-Mechanical Analysis of a Longitudinal Stern-Gerlach Effect, Gordon A. Gallup, Herman Batelaan, and Timothy J. Gay

#### 2000

Comparative studies of dissociative electron attachment to methyl halides, R. S. Wilde, Gordon A. Gallup, and Ilya I. Fabrikant

Dissociative electron attachment to vibrationally and rotationally excited H_{2} and HF molecules, Yinfan Xu, Gordon A. Gallup, and Ilya I. Fabrikant

#### 1999

Semiempirical *R*-matrix theory of low energy electron–CF_{3}Cl inelastic scattering, R. S. Wilde, Gordon A. Gallup, and Ilya I. Fabrikant

#### 1998

Nonlocal theory of dissociative electron attachment to H_{2} and HF molecules, Gordon A. Gallup, Y. [Yuanguang] Xu, and Ilya I. Fabrikant

#### 1996

Low energy electron scattering from CH_{3}Cl, X. Shi, V.K. Chan, Gordon A. Gallup, and Paul Burrow

#### 1995

Dissociative attachment in hot CH_{3}Cl: Experiment and theory, D.M. Pearl, Paul Burrow, Ilya I. Fabrikant, and Gordon A. Gallup

#### 1993

H^{+}-H^{-} coincidences from the three-body dissociation of excited H_{3+}, Orhan Yenen, D. Calabrese, L.M. Wiese, Duane H. Jaecks, and Gordon A. Gallup

#### 1990

The relationship of the virtual orbitals of self-consistent-field theory to temporary negative ions in electron scattering from molecules, Donghai Chen and Gordon A. Gallup

#### 1989

Low-lying negative-ion states of calcium, A.R. Johnston, Gordon A. Gallup, and Paul Burrow

#### 1987

The breakdown of Hund's rule in systems of fourfold symmetry, Gordon A. Gallup

#### 1986

Comment on ‘‘Valence-bond theory and the evaluation of electronic energy matrix elements between nonorthogonal Slater determinants’’, Gordon A. Gallup

Selection rules for vibrational energy loss by resonant electron impact in polyatomic molecules, Gordon A. Gallup

#### 1985

A variation-perturbation method for atomic and molecular interactions. II. The interaction potential and van der Waals molecule for Ne–HF, Gordon A. Gallup and J. Gerratt

A variation-perturbation method for atomic and molecular interactions. I. Theory, Gordon A. Gallup and J. Gerratt

#### 1980

Very-long-lived metastable vibrational states of Ba_{2}^{++} , Stanley J. Sramek, J.A. Macek, and Gordon A. Gallup

Computed cross sections for electron transfer in Ba^{+} + Ba^{+} collisions , Stanley J. Sramek, J.H. Macek, and Gordon A. Gallup

Theoretical potential curves for excited states of ArH and the rate of collisional quenching of metastable Ar by H, R.L. Vance and Gordon A. Gallup

#### 1978

Representation of *ab initio* energy surfaces by analytic functions, R.L. Vance and Gordon A. Gallup

#### 1977

Electron tunneling, charge transfer, and the intermolecular forces between two H_{2} molecules, Gordon A. Gallup

Theory and applications of an atoms in molecules approach to the Xα -SCF method, J. Tylicki, R.J. Hood, Gordon A. Gallup, and C.J. Eckhardt

#### 1976

Efficient CI calculations utilizing the symmetric group, Gordon A. Gallup and J.M. Norbeck

#### 1973

Projected Hartree product wavefunctions. VIII. Relationship of DODS and SCF orbitals for Be, Gordon A. Gallup

Projected Hartree product wavefunctions. VI. Natural orbital CI expansions in nonsinglet cases, R.D. Koller and Gordon A. Gallup

#### 1970

Projected Hartree Product Wavefunctions. V. Density Matrices and Operators Containing Spin, Gordon A. Gallup

Projected Hartree Product Wavefunctions. IV. Radial Correlation in Some Three- and Four-Electron Atoms, L.G. Heikes and Gordon A. Gallup

#### 1969

Projected Hartree Product Wavefunctions. II. General Considerations of Young Operators, Gordon A. Gallup

Projected Hartree Product Wavefunctions. III. Comparison with the CI Method for H_{2}, R.C. Morrison and Gordon A. Gallup

#### 1968

Projected Hartree Product Wavefunctions, Gordon A. Gallup

#### 1966

On the Symmetry of Slater Determinantal Wavefunctions, Gordon A. Gallup

Self-Consistent-Field Calculation of the Energy of HeH ^{+}, Gordon A. Gallup and M.S. McKnight

Study of Some Solutions of the One-Electron—Two-Center Problem for Heteronuclear Cases, L.Y. Wilson and Gordon A. Gallup

#### 1959

Effect of Change in Moment of Inertia on Line Intensities of Parallel Vibration-Rotation Bands of Symmetric Top Molecules, Gordon A. Gallup and J.L. Koenig

#### 1958

Structure of CH_{2}, Gordon A. Gallup

#### 1957

Effect of Change in Moment of Inertia on the Intensity Distribution in *P* and *R* branches of C _{oo}_{v} Molecules, Gordon A. Gallup

Structure of CH_{2}, Gordon A. Gallup

#### 1954

A Special Case of the Hammett Equation, W.R. Gilkerson, Gordon A. Gallup, and M.M. Jones

#### 1953

Free Energy and Entropy of Translation Tables, Paul W. Gilles and Gordon A. Gallup

#### 1952

A Theoretical Formulation of the Hammett Equation, Gordon A. Gallup, W.R. Gilkerson, and M.M. Jones

Chemical Reactions near Equilibrium, W.R. Gilkerson, M.M. Jones, and Gordon A. Gallup

Hydrogen Bond Energies in Carboxylic Acids, M.M. Jones, W.R. Gilkerson, and Gordon A. Gallup