1. An Giang University, VNU - HCM , Ung Van Khiem Street, Long Xuyen, An Giang 88000 , Vietnam
2. Department of Physics, Can Tho University , 3/2 Street, Ninh Kieu, Can Tho City 94000 , Vietnam
3. Subatomic Physics Research Group, Science and Technology Advanced Institute, Van Lang University , Ho Chi Minh City 70000 , Vietnam
4. Faculty of Applied Technology, School of Engineering and Technology, Van Lang University , Ho Chi Minh City 70000 , Vietnam