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DPG

Münster 2002 – wissenschaftliches Programm

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HK: Physik der Hadronen und Kerne

HK 9: Poster Session: Theory

HK 9.20: Poster

Dienstag, 12. März 2002, 10:30–12:45, Foyer Chemie

Inequalities for the masses of the lightest ππ resonances in large Nc QCD — •M.V. Polyakov1,2 and V.V. Vereshagin31Petersburg Nuclear Physics Institute, 188350 Gatchina, Russia — 2Institute for Theoretical Physics II, Ruhr University Bochum, 44780 Bochum, Germany — 3Institute of Physics, St. Petersburg State University, 198504 St. Petersburg, Russia

We derive and analyse inequlities relating masses of the lightest ππ resonances (ρ and σ) to coupling constants of the effective chiral lagrangian in the limit of large number of colours.

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