QCD sum rule analysis of the field strength correlator

por Markus Eidemueller (Inst. Theor. Physics, Univ. Heidelberg)

jueves 26 nov. 1998 12:00 → 13:00 Europe/Madrid

Sala Seminarios (Dpto. de Fisica Teorica (UVEG))

The two-point correlation function of the gluon field strength tensor is calculated at the next-to-leading order in pQCD. The correlation length of the gluon field is determined from a QCD sum rule analysis of this correlator. Comparison with recent lattice determinations will be given.