VNU Journal of Science Mathematics – Physics, Vol 37, No 4 (2021) 24 30 24 Original Article Evaluation of Thick Target PIXE Analysis in the 5SDH 2 Pelletron Accelerator Facility at VNU University of Science Bui Thi Hoa*, Nguyen The Nghia, Vi Ho Phong, Tran The Anh VNU University of Science, 334 Nguyen Trai, Thanh Xuan, Hanoi, Vietnam Received 15 November 2020 Revised 01 January 2021; Accepted 08 August 2021 Abstract This paper presents the evaluation of the Thick Target Particle Induced X rays E[.]