Energy Spectra of Anti-nucleons in Finite Nuclei

Details Energy Spectra of Anti-nucleons in Finite Nuclei Energy Spectra of Anti-nucleons in Finite Nuclei

2004-11-12

arxiv.org/abs/nucl-th/0411050v2

Int.J.Mod.Phys. A20 (2005) 2014-2017

Physics

Nuclear Physics

Nuclear Theory

4 pages, to appear in the Proceedings of MENU 2004 (Beijing, Aug. 29 -- Sept. 4, 2004)

Scientific paper

10.1142/S0217751X05023864

The quantum vacuum in a many-body system of finite nuclei has been investigated within the relativistic Hartree approach which describes the bound states of nucleons and anti-nucleons consistently. The contributions of the Dirac sea to the source terms of the meson-field equations are taken into account up to the one-nucleon loop and one-meson loop. The tensor couplings for the $\omega$- and $\rho$-meson are included in the model. The overall nucleon spectra of shell-model states are in agreement with the data. The calculated anti-nucleon spectra in the vacuum differ about 20 -- 30 MeV with and without the tensor-coupling effects.

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