Research focus is on the treatment of hadronic interactions at energy scales of interest in nuclear physics. This includes work on global optical models using Dirac phenomenology, investigations of nucleon and meson scattering using relativistic Dirac or Kemmer equations, investigations of the effects of using the nuclear densities obtained from modern effective field theory (EFT) treatments of finite nuclei in nuclear reaction calculations, and the analysis of hadronic, electromagnetic and electroweak reactions.

• Global Dirac Phenomenology for Proton-Nucleus Elastic Scattering, E.D.Cooper, S.Hama, B.C.Clark, R.L.Mercer, Phys.Rev. C47, 297 (1993). [GLOBAL Fortran code available]
• Dirac Coupled Channel Calculations for Proton Inelastic Scattering from Spherically Symmetric Nuclei for Projectile Energies of 362, 500 and 800 MeV, L.J. Kurth, B.C. Clark, E.D. Cooper, S. Hama, S. Shim, R.L. Mercer, L. Ray, G.W. Hoffmann, Phys. Rev. C 49, 2086 (1994).
• Relativistic Impulse Approximation Treatment of the Elastic Scattering of 400 MeV pions on ²⁸Si, L.J. Kurth, B.C. Clark, E.D. Cooper, S. Hama, R.L. Mercer, L. Ray, G.W. Hoffmann, Phys. Rev. C 50, 2624 (1994).
• Meson-Nucleus Scattering in the KDP Formalism, L.J. Kurth, B.C. Clark, E.D. Cooper, S. Hama, R.L. Mercer, L. Ray, G.W. Hoffmann, Nucl. Phys. A585, 335c (1995).
• Elastic Scattering from C and ⁶Li at 715 MeV/c, R. Michael, M.B. Barakat, S. Bart, R.E. Chrien, B.C. Clark, D.J. Ernst, S. Hama, K.H. Hicks, E.V. Hungerford, M.F. Jiang, T. Kishimoto, C.M. Kormanyos, L.J. Kurth, L. Lee, B. Mayes, R.J. Peterson, L. Pinsky, R. Sawafta, R. Sutter, L. Tang, J.E. Wise, Phys. Lett. B 382, 29 (1996).
• Pion-nucleus elastic scattering on ¹²C, ⁴⁰Ca, ⁹⁰Zr, and ²⁰⁸Pb at 400 and 500 MeV, George Kahrimanis, George Burleson, C.M. Chen, B.C. Clark, Kalvir Dhuga, D.J. Ernst, J.A. Faucett, H.T. Fortune, S. Hama, Ahmed Hussein, M.F. Jiang, K.W. Johnson, L. Kurth Kerr, Scott Mathews, John McGill, R.L. Mercer, C. Fred Moore, Shaul Mordechai, Christopher L.Morris, John O'Donnell, Mike Snell, Mohini Rawool-Sullivan, L. Ray, Charles Whitley, Allen Williams, Phys. Rev. C 55, 2533 (1997). [PDF File Available]
• Theoretical and Experimental K⁺ - Nucleus Total and Reaction Cross Sections from the KDP-RIA Model, L. Kurth Kerr, B. C. Clark, S. Hama, L. Ray, G.W. Hoffmann, to be published in Phys. Rev. C (1998). LANL preprint nucl-th/9801003
• Pion-Nucleus Scattering at Medium Energies with Densities from Chiral Effective Field Theories, B. C. Clark, R. J. Furnstahl, L. Kurth Kerr, John Rusnak, S. Hama, to be published in Phys. Lett. B (1998). LANL preprint nucl-th/9802061

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