2008

• Effect of angular electron correlation in He: Second-order calculations for transfer ionization
  A L Godunov, H R J Walters and Colm T Whelan
  Phys. Rev. A, vol. 78, 012714 (5 pages) (2008)
  

2007

• On the extension of (e,2e) theory to coincidence studies of ion–atom collisions
  A L Godunov, Marco Kampp, B Sulik, H R J Walters and Colm T Whelan
  Nuclear Instruments and Methods in Physics Research B 261, 222-225 (2007)
  

2006

• Introductory Computational Physics
  Andi Klein and Alexander Godunov
  Cambridge University Press ISBN 0-521-82862-7 (2006)
• Total cross sections for transfer ionization in fast ion-helium collisions
  A L Godunov, J H McGuire, V S Schipakov, H R J Walters and Colm T Whelan
  J. Phys. B: At. Mol. Opt. Phys. vol. 39, 987-996 (2006) (IOP Publishing)
  

2005

• Transfer ionization process p + He -> H⁰ + He²⁺ + e^- with the ejected electron detected in the plane perpendicular to the incident beam direction
  A L Godunov, Colm T Whelan, H R J Walters, V S Schipakov, M Schöffler, V Mergel, R Dörner, O Jagutzki, L Ph H Schmidt, J Titze, and H Schmidt-Böcking
  Phys. Rev. A, vol. 71, issue 5, 052712 (4 pages) (2005)
  
• Revealing the effect of angular correlation in the ground-state He wavefunction: a coincidence study of the transfer ionization process
  M Schöffler, A L Godunov, Colm T Whelan, H R J Walters, V S Schipakov, V Mergel, R Dörner, O Jagutzki, L Ph H Schmidt, J Titze, E Weigold and H Schmidt-Böcking
  J. Phys. B: At. Mol. Opt. Phys. vol. 38, L123-8 (2005) (IOP Publishing)
• Many-particle fragmentation processes in atomic and molecular physics - new insight into the world of correlation
  H. Schmidt-Böcking, M.S. Schöffer, T. Jahnke, A. Czasch, V. Mergel, L. Schmidt, R. Dörner, O. Jagutzki,M. Hattass, Th. Weber, E. Weigold, H.T. Schmidt, R. Schuch, H. Cederquist, Y. Demkov, C. Whelan, A. Godunov, J. Walters
  Nuclear Instruments and Methods in Physics Research B 233, 3-11 (2005)
• EUV emission from xenon in the 10–80 nm wavelength range using a compact ECR ion source
  H. Merabet, S. Kondagari, R. Bruch, S. Fülling, S. Hahto, K.-L. Leung, J. Reijonen, A.L. Godunov and V.A. Schipakov
  Nuclear Instruments and Methods in Physics Research B 241, 23-29 (2005)
  
• Ionization Dynamics in p and p- on Helium collisions
  M. Schöffler, H. Schmidt-Böcking, L. Ph. H. Schmidt, O. Jagutzki, V. Mergel, R. Dörner, J. Titze, K. Khayyat, Th. Weber, A. L. Godunov, C. T. Whelan, and J. Walters
  AIP Conference Proceedings, vol. 793, 89-97 (2005)
• Characterization of extreme ultraviolet (EUV) emission from xenon generated using a compact plasma-discharge source for lithography applications
  H. Merabet, R. Bista, C. Schubert, S. Fuelling, R. Bruch, and A. L. Godunov
  Proc. The International Society for Optical Engineering, Vol. 5918, 102-113 (2005)
  

2004

• Fully differential cross sections for transfer ionization - a sensitive probe of high level correlation effects in atoms
  A. L. Godunov, Colm T. Whelan and H. R. J. Walters
  J. Phys. B: At. Mol. Opt. Phys. vol. 37, L201-8 (2004) (IOP Publishing)
  
• Quantum time entanglement of electrons
  J. H. McGuire and A. L. Godunov
  in Electron Scattering from Atoms, Molecules, Nuclei, and Bulk Matter,
  Kluwer Academic/Plenum Publisher (2004) 191-207
  
• Quantum Time Ordering and Degeneracy
  J. H. McGuire, Kh. Kh. Shakov, A. Chalastaras, A. L. Godunov, Kh. Yu. Rakhimov
  in Developments In Quantum Physics, edited by F. Columbus, Nova Publishers (2004)
  

2003

• Time evolution and use of multiple times in the N-body problem
  J. H. McGuire and A. L. Godunov
  Phys. Rev. A, vol. 67, issue 4, 042701 (6 pages) (2003)
• Time ordering in multi-electron dynamics
  J. H. McGuire, A. L. Godunov, Kh. Kh. Shakov, V. A. Schipakov, H. Merabet, R. Bruch and J. Hanni
  J. Phys. B: At. Mol. Opt. Phys. vol. 36, 209-216 (2003) (IOP Publishing)
• Ionization-excitation of helium to He+(2p) magnetic sublevels following electron, proton, and molecular hydrogen (H2+ and H3+) impact
  H. Merabet, R. Bruch, S. Fulling, K. Bartschat and A. L. Godunov
  J. Phys. B: At. Mol. Opt. Phys. vol. 36, 3383-3395 (2003) (IOP Publishing)
• Excitation-Ionization of Helium in High Energy Collisions
  A. L. Godunov, C. T. Whelan, and J. M. McGuire
  AIP Conference Proceedings, vol. 680, p. 32-35 (2003)
• Scattering angle-integrated (total) and magnetic sublevel cross-sections and degree of linear polarization for electron and proton induced excitation [HeI (1snp) 1P0 (n=2-5)] of helium
  H. Merabet, R. Bruch, J. Hanni, M. Bailey, A. L. Godunov, J. H. McGuire, D. V. Fursa, I. Bray, K. Bartschat, H. C. Tseng and C. -D. Lin
  Atomic Data and Nuclear Data Tables, vol. 83, 45-69 (2003)
• Ionization-Excitation Magnetic Sublevels Cross sections for He+(2p)2P0 States Following Fast Electron and Proton Impact
  H. Merabet, R. Bruch, S. Fülling, M. Bailey, A. L. Godunov, J. H. McGuire, A.N.Grum-Grzhimailo and K. Bartschat
  Nuclear Instruments and Methods in Physics Research, vol. B205, 399-404 (2003)
• Time Ordering Dynamics in Ionization-Excitation of Helium to HeII (2p) Magnetic Sublevels Using Extreme Ultraviolet Spectropolarimetry
  R. Bruch, H. Merabet, J. H. McGuire, A. L. Godunov, and Kh. Kh. Shakov
  AIP Conference Proceedings, vol. 680, p. 152 (2003)

2002

• Spatial and Temporal Correlation in Excitation of Autoionizing States by Particle Impact
  A. L. Godunov and J. H. McGuire
  Photonic, Electronic and Atomic Collisions ed. by J. Burgdorfer et. al (Rinton Press) 525-535 (2002)
• Zero-degree target electron spectroscopy: autoionizing resonances of helium excited by fast H+, He+ and He2+ impact
  R. Bruch, H Wang, A. L. Godunov, P.B. Ivanov, V. A. Schipakov and H. Merabet
  J. Phys. B: At. Mol. Opt. Phys., vol. 35, 1617-1631 (2002) (IOP Publishing)
• Differential cross sections for excitation of autoionizing states of helium by proton impact
  A. L. Godunov, P.B. Ivanov, V. A. Schipakov, and M. Schulz
  J. Phys. B: At. Mol. Opt. Phys., vol. 35, 2477-2492 (2002) (IOP Publishing)
• Excitation of the (2p2)1D and (2s2p)1P autoionizing states of helium by 200 eV electron impact
  A. L. Godunov, J.H. McGuire, V. A. Schipakov and A. Crowe
  J. Phys. B: At. Mol. Opt. Phys., vol. 35, L245-L251 (2002) (IOP Publishing)
• Simultaneous Ionization-Excitation of Helium to He+ (2p) Magnetic Sublevels by Proton Impact
  H. Merabet, R. Bruch, J. Hanni, A. Godunov and J. H. McGuire
  Phys. Rev. A, vol. 65, issue 1, 010703(R) (4 pages) (2002)
• Interaction of atomic systems with x-ray free-electron lasers
  M. A. Kornberg, A. L. Godunov, S.Itza-Ortiz, D.L. Ederer, J.H. McGuire, L.Young
  Journal of Synchrotron Radiation, vol. 9, 298-303 (2002)
• Polarization measurements of the extreme ultraviolet (EUV) emission following excitation and ionization-excitation of helium by fast electron, proton, and molecular hydrogen impact
  H. Merabet, R. Bruch, S. Fulling, K. Bartschat, A. Godunov, J. H. McGuire, and A. N. Grum-Grzhimailo
  Proc. The International Society for Optical Engineering, Vol. 4819, p.118- (2002)

2001

• Independent time approximation for dynamically interacting multi-electron systems
  A. L. Godunov and J. H. McGuire
  J.Phys.B:At.Mol.Opt.Phys., vol. 34, L223-L229 (2001) (IOP Publishing)
• Magnetic sublevel population in 1s-2p excitation of helium by fast electrons and protons
  A. L. Godunov, J. H. McGuire, H. Merabet, R. Bruch, J. Hanni and V. S. Schipakov
  J. Phys. B: At. Mol. Opt. Phys., vol. 34, 2575-2580 (2001) (IOP Publishing)
• Ionization-Excitation of H- and He by Compton Scattering
  S. Itza-Ortiz, A. Godunov, J. Wang and J. H. McGuire
  J. Phys. B: At. Mol. Opt. Phys., vol. 34, number 17, 3477-3486 (2001) (IOP Publishing)
• Spatial and temporal correlation in dynamic, multi-electron quantum systems
  A. L. Godunov, J.H. McGuire, P.B. Ivanov, V.A. Schipakov, H. Merabet, J. Hanni, R. Bruch and Kh. Kh. Shakov
  J. Phys. B: At. Mol. Opt. Phys., vol. 34, number 24, 5055-5069 (2001) (IOP Publishing)
• Time correlation in two-electron transitions produced in fast collisions of atoms with matter and light
  J.H. McGuire, A. L. Godunov, S.G. Tolmanov, Kh. Kh. Shakov, H. Schmidt-Bocking, R. Dorner, R.M. Dreizler
  Phys. Rev. A, vol. 63, issue 5, 052706 (4 pages) (2001)
• How do electrons communicate about time?
  A. L. Godunov, J.H. McGuire, S.G. Tolmanov, Kh. Kh. Shakov, Schmidt-Bocking, R. Dorner, R.M. Dreizler
  AIP Conference Proceedings, vol. 576, Issue 1, pp. 185-188 (2001)
• Spectropolarimetric measurements of the extreme-ultraviolet emission from helium following e, H+, H2+, and H3+ charged particle impact
  H. Merabet, R. Bruch, J. Hanni, A. Godunov, J. McGuire, I. Bray, D. V. Fursa, K. Bartschat, H.-C. Tseng, C.-D. Lin, S. Fineschi
  Proc. The International Society for Optical Engineering, Vol. 4498, p.207-216 (2001)

2000

• Excitation of autoionizing states of helium by 100 keV proton impact: II. Excitation cross section and mechanisms of excitation
  A. L. Godunov, P. B. Ivanov, V. A. Schipakov, P. Moretto-Capelle, D. Bordenave-Montesquieu, and A. Bordenave-Montesquieu
  J.Phys.B: At.Mol.Opt.Phys., vol. 33, 971-999 (2000) (IOP Publishing)
• Exclusive and inclusive cross sections for Compton Scattering from H- and He
  J.H. McGuire, S. Itza-Ortiz, A.L. Godunov, D.L. Ederer, J. Wang, J. Burgdorfer
  Phys. Rev. A, vol. 62, 012702 (7 pages) (2000)