1. Scalar mesons within a dynamical holographic QCD model
- Author
-
de Paula, W. and Frederico, T.
- Subjects
- *
SCALAR field theory , *MESONS , *QUANTUM chromodynamics , *HOLOGRAPHY , *INFRARED radiation , *BACKGROUND radiation , *QUANTUM field theory , *REGGE theory , *RADIOACTIVE decay - Abstract
Abstract: We show that the infrared dynamics of string modes dual to states within a Dynamical AdS/QCD model of coupled dilaton-gravity background gives the Regge-like spectrum of ''s scalars and higher spin mesons consistent with experimental data. The pion mass and its trajectory were also described with a scale deformation of the metric and a rescaled string mass. The available experimental decay widths of the decays provided a complementary check of the proposed classification scheme for , , and as radial excitations of . For we estimated a mixing angle of with other structures. [Copyright &y& Elsevier]
- Published
- 2010
- Full Text
- View/download PDF