Research on Excited States in N=127 Isotones with Relativistic Mean Field Theory
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Graphical Abstract
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Abstract
Properties of the ground state and the excited states in N=127 isotones are investigated with relativistic mean field theory with the interactions PK1 and NL3. By analyzing the rms of proton and neutron， the single particle levels of valence nucleon and the density distributions of neutron， proton and the last neutron， it can be found that there exists a neutron halo in the excited states of 3d5/2，4s1/2 and 3d3/2. It is also predicted that there exists a neutron halo in the excited states of 3d5/2，4s1/2 and 3d3/2 in 207Hg，208Tl，210Bi and 211Po.
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