National Natural Science Foundation of China (10475116,10535010 and 10235020);Asia-Europe Link in Nuclear Physics and Astrophysics(CN/ASIA-LINK/008(094-791))
The potential energy surfaces are calculated for neutron-deficient At isotopes from A=190 to 207 in an axially deformed relativistic mean field approach with a wide range of β2 deformation, using a quadratic constrai...