Stephen Cotanch

Bio

Professor Cotanch received his PhD in 1973 from the Florida State University. He was a visiting graduate student at Princeton University for the 1971-72 year and a postdoctoral research associate at the University of Pittsburgh from 1973 to 1976. He joined NC State University as Assistant Professor in 1976.  In 1985 he was a Visiting Professor at the University of Melbourne, Australia.

Area(s) of Expertise

His research contributions center on many-body techniques to diagonalize effective Hamiltonians, describing the complex behavior of systems of fermions and bosons interacting via the electromagnetic, weak and strong nuclear forces (including Quantum Chromodynamics). He advanced the understanding of the structure of nuclei, hypernuclei and elementary particles, especially exotic glueballs and hybrid mesons containing color confined gluons and quarks. He developed improved scattering and reaction formulations for direct nuclear reactions, photonuclear processes and K meson scattering and production. He also collaborated with experimentalists, including proposed particle measurements and detector design, and he derived several novel constraint relations and theorems from fundamental principles and symmetries to assist experimental analysis.

Publications

• Coulomb gauge model for hidden charm tetraquarks , PHYSICS LETTERS B (2013)
• Coupled channels optical theorem and non-elastic cross section sum rule , NUCLEAR PHYSICS A (2010)
• Meson and tetra-quark mixing , EUROPEAN PHYSICAL JOURNAL C (2008)
• Coulomb gauge approach to (qqg)over-bar hybrid mesons , EUROPEAN PHYSICAL JOURNAL C (2007)
• Light 1(-+) exotics: Molecular resonances , PHYSICS LETTERS B (2007)
• QCD Coulomb gauge approach to exotic hadrons , EUROPEAN PHYSICAL JOURNAL A (2007)
• The BES f(0)(1810): a new glueball candidate , EUROPEAN PHYSICAL JOURNAL C (2007)
• J(--) glueballs and a low odderon intercept , PHYSICAL REVIEW LETTERS (2006)
• Many body methods and effective field theory , NUCLEAR PHYSICS A (2005)
• Tensor glueball photoproduction and decay , PHYSICS LETTERS B (2005)

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