Analysis of the mass structure of the hadrons

Details Analysis of the mass structure of the hadrons Analysis of the mass structure of the hadrons

2011-08-10

arxiv.org/abs/1108.2073v1

Physics

General Physics

15 pages, 2 tables

Scientific paper

Inspired in previous works of Xiangdong Ji, published in PRL and PRD in 1995, we worked out an alternative way to separate within the structure of QCD, the hadron masses into contributions of quark and gluon kinetic and potential energies, quark masses and the trace anomaly. With respect to the nucleon mass the present results are between the two approximations developed by Ji. We also developed three approximations for the separation of the pion mass, which is also compared with Ji results. With the help of the quark condensate relation obtained by Nassif and Silva in 2006, we were able to separate the quark energy into its kinetic and potential parts.

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