• [1]

    Bauer W, Major J, Weiler W, Maier K, Schaefer H E. in: Positron Annihilation, Proc. of ICPA-7. Eds Jain P C, Singru R M, Gopinathan K P. Singapore: World Scientific,1985. 8042 CHANG T et al. Nuclear Instruments and Methods in Physics Research Section A, 1987, 256(2): 398-4003 WEI Z Y et al. Nuclear Instruments and Methods in Physics Research Section B, 1991, 61(1): 61-664 C zek B F J et al. Nuclear Instruments and Methods in Physics Research Section A, 2000, 443(2-3): 557-5775 WEI Long et al. Materials Science Forum, 2004, 445-446,5166 GAO Xin et al. Nuclear Electronics Detection Technology, 2007, 27(2): 243-249 (in Chinese)7 Haaks M et al. Phys. Stat. Sol.(c), 2007, 4(10): 4036-40398 Moses W, Shah K. Nuclear Instruments and Methods in Physics Research Section A, 2005, 537(1-2): 317-3209 CHANG Tian-Bao et al. HEP NP, 1983, 7(6): 674-680 (in Chinese)10 LI Dao-Wu et al. Chinese Physics C (HEP NP), 2011,35(1): 100-10311 Kansy J. Nucl Instrum Methods A, 1996, 374: 235-24412 Brusa R S et al. Applied Physics A, 1992, 54(3): 233-23813 Dedoussis L T S et al. Journal of Radioanalytical and Nuclear Chemistry, 1996, 211(1): 181-18514 Szczesniak T et al. Nuclear Science, IEEE Transactions on,2009, 56(1): 173-18115 Moses W W, Derenzo S E. Nuclear Science, IEEE Transactions on, 1999, 46(3): 474-478