Particles, Astrophysics, and Nuclear Physics Seminar

Nuclear Forces Based on Chirally Constrained Effective Field Theory

Walter Gloeckle
Guest Professor, UConn Physics Department
Ruhr-University Bochum, Germany

The spontaneously and explicitely broken chiral symmetry of QCD leads to (quasi) Goldstone bosons. For low energy nuclear physics these bosons (the pions) together with nucleons are the relevant degrees of freedom to form an effective field theory constrained by chiral symmetry. Based on the most general chirally invariant effective Lagrangian one eleminates the pion degrees of freedom to derive nuclear forces. They can be systematically constructed according to Weinberg's power counting scheme. Applications to the few-nucleon systems are shown.

Monday, October 24, 2005
2:00 PM
Gant Science Complex
Physics Department
Room P121

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