Cylindrical neutron spectrometer system: design and characterization Ngoc-Thiem Le, Ngoc-Quynh Nguyen, Huu-Quyet Nguyen, Duc-Khue Pham, Minh-Cong Nguyen, Van-Loat Bui, Van-Chung Cao, Van-Hao Duong, Trung H. Duong and Hoai-Nam Tran Eur. Phys. J. Plus, 136 6 (2021) 690 Published online: 25 June 2021 DOI: 10.1140/epjp/s13360-021-01681-9