The effect of different baryons impurities

Details The effect of different baryons impurities The effect of different baryons impurities

2004-04-13

arxiv.org/abs/nucl-th/0404035v2

PHYSICAL REVIEW C 71 (1): Art. No. 015206 JAN 2005

Physics

Nuclear Physics

Nuclear Theory

9 pages

Scientific paper

10.1103/PhysRevC.70.054306

We demonstrate the different effect of different baryons impurities on the static properties of nuclei within the framework of the relativistic mean-field model. Systematic calculations show that $\Lambda_c^+$ and $\Lambda_b$ has the same attracting role as $\Lambda$ hyperon does in lighter hypernuclei. $\Xi^-$ and $\Xi_c^0$ hyperon has the attracting role only for the protons distribution, and has a repulsive role for the neutrons distribution. On the contrary, $\Xi^0$ and $\Xi^+_c$ hyperon attracts surrounding neutrons and reveals a repulsive force to the protons. We find that the different effect of different baryons impurities on the nuclear core is due to the different third component of their isospin.

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