Heavy-Light Quark Systems in the Instanton Vacuum

Details Heavy-Light Quark Systems in the Instanton Vacuum Heavy-Light Quark Systems in the Instanton Vacuum

2010-11-28

arxiv.org/abs/1011.6037v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Submitted to the Proceedings of the ISHEPP "Relativistic Nuclear Physics and Quantum Chromodynamics", JINR (Dubna), 4-9 Octobe

Scientific paper

Assuming the gluon field is well approximated by instanton configurations we derive a partition function and calculate the specific correlators. Namely, the heavy quark propagator and heavy quark-aniquark correlator with the account of the light quark determinant and QCD instanton vacuum properties. With these knowledge we calculate the light quark contribution to the interaction between heavy quarks, which might be essential for the properties of a few heavy quarks systems like oniums and double-heavy baryons.

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