Quantum tunnel effect and alpha-decay of nuclei Zhongzhou REN Department of Physics, Nanjing University, Nanjing, China Center of Theoretical Nuclear Physics National Laboratory of Heavy -lon Accelerator, Lanzhou, china1 Quantum tunnel effect and alpha-decay of nuclei Zhongzhou REN • Department of Physics, Nanjing University, Nanjing, China • Center of Theoretical Nuclear Physics, National Laboratory of Heavy-Ion Accelerator, Lanzhou, China