QCD Sum Rules and 1/$N_c$ expansion: On the low energy dominance and separation of scattering backgrounds

Details QCD Sum Rules and 1/$N_c$ expansion: On the low energy dominance and separation of scattering backgrounds QCD Sum Rules and 1/$N_c$ expansion: On the low energy dominance and separation of scattering backgrounds

2008-09-11

arxiv.org/abs/0809.1998v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Presented at HSQCD2008, Gatchina, Russia, June 30 - July 4, 2008

Scientific paper

In multiquark correlator analyses with 1/Nc classifications, it is possible
to separate the scattering background and to justify the factorization of
condensates, which allows us to achieve an isolated peak saturation in the QCD
sum rules for multiquark currents. Then we can extract leading Nc properties of
the ground state. An application to the sigma meson is demonstrated.

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