147Sm is one of natural α emitter nuclide. The 147Sm-143Nd dating method established by Lugmair plays an important role in the dating of telluric, lunar and Martian rocks as well as meteorites. The half-life of 147Sm is one of the basic data of the 147Sm-143Nd dating method, which can be calculated using 147Sm is one of natural alpha emitter nuclide. The 147Sm-143Nd dating method established by Lugmair plays an important role in the dating of telluric, lunar and Martian rocks as well as meteorites. The half-life of 147Sm is one of the basic data of the 147Sm-143Nd dating method, which can be calculated using