Finite-width effects on Delta baryons in QCD Sum Rules

Details Finite-width effects on Delta baryons in QCD Sum Rules Finite-width effects on Delta baryons in QCD Sum Rules

2008-01-05

arxiv.org/abs/0801.0783v1

Nucl.Phys.A801:142-153,2008

Physics

Nuclear Physics

Nuclear Theory

16 pages, 1 figure; to be published in Nucl. Phys. A

Scientific paper

10.1016/j.nuclphysa.2008.01.001

The quantum chromodynamics (QCD) sum rules for the Delta baryons are analyzed by taking into account the finite-width effects, through explicit utilization of the Breit-Wigner shape. We apply a Monte-Carlo based analysis to the 'traditional' and the parity-projected sum rules. The first Delta excitation state is also considered as a sub-continuum resonance and the widths are calculated using the mass values as input.

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