QCD String Spectrum 2002

Details QCD String Spectrum 2002 QCD String Spectrum 2002

2002-09-12

arxiv.org/abs/hep-lat/0209109v1

Physics

High Energy Physics

High Energy Physics - Lattice

Lattice2002(topology), 3 pages, 2 figures

Scientific paper

10.1016/S0920-5632(03)01664-5

Results from a comprehensive new analysis on the excitation spectrum of the QCD string are presented. A rapid onset of string formation is observed in the spectrum on a length scale of 2 fm, with Dirichlet boundary conditions. The crossover from the short distance spectrum towards string excitations and an observed fine structure in the 1--3 fm range are related to effective string theory. The deficiencies of the Nambu-Goto bosonic string model in describing the observed spectrum are briefly discussed.

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