A depth of interaction detector for PET with GSO crystals doped with different amounts of Ce Export

@article{citeulike:3277011, abstract = {A new method for a four-stage depth of interaction (DOI) detector is proposed. The four-stage DOI detector is constructed with two kinds of Gd/sub 2/SiO/sub 5/:Ce (GSO) crystals doped with different amounts of Ce, 0.5 mol\% and 1.5 mol\%. The amount of Ce in GSO determines the scintillation decay time constant, and it is 60 ns for the 0.5 mol\% GSO and 35 ns for 1.5 mol\% GSO. This difference led to the introduction of pulse-shape discrimination, which would distinguish between two kinds of event data from respective GSOs and sort them into two groups. By independently applying Anger-type position arithmetic to the data of each group, two two-dimensional (2-D) histograms are obtained. The crystal of interaction can be identified on these histograms in which only 0.5 mol\% or 1.5 mol\% GSO crystal elements are expressed. To evaluate this method, we constructed the four-stage DOI detector by alternately stacking 1.5 mol\% GSO crystal stages and 0.5 mol\% stages. The result of a scanning measurement with a /sup 137/Cs gamma-ray beam proved that the DOI detector had enough accuracy in crystal identification.}, author = {Inadama, N. and Murayama, H. and Omura, T. and Yamashita, T. and Yamamoto, S. and Ishibashi, H. and Kawai, H. and Omi, K. and Umehara, T. and Kasahara, T.}, booktitle = {Nuclear Science, IEEE Transactions on}, citeulike-article-id = {3277011}, citeulike-linkout-0 = {http://dx.doi.org/10.1109/TNS.2002.1039540}, citeulike-linkout-1 = {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=1039540}, doi = {10.1109/TNS.2002.1039540}, journal = {Nuclear Science, IEEE Transactions on}, keywords = {cerium, crystal, doi, gso, pet}, number = {3}, pages = {629--633}, posted-at = {2008-09-17 00:35:47}, priority = {2}, title = {A depth of interaction detector for PET with GSO crystals doped with different amounts of Ce}, url = {http://dx.doi.org/10.1109/TNS.2002.1039540}, volume = {49}, year = {2002} }

TY - JOUR ID - citeulike:3277011 L3 - citeulike-article-id:3277011 N2 - A new method for a four-stage depth of interaction (DOI) detector is proposed. The four-stage DOI detector is constructed with two kinds of Gd/sub 2/SiO/sub 5/:Ce (GSO) crystals doped with different amounts of Ce, 0.5 mol% and 1.5 mol%. The amount of Ce in GSO determines the scintillation decay time constant, and it is 60 ns for the 0.5 mol% GSO and 35 ns for 1.5 mol% GSO. This difference led to the introduction of pulse-shape discrimination, which would distinguish between two kinds of event data from respective GSOs and sort them into two groups. By independently applying Anger-type position arithmetic to the data of each group, two two-dimensional (2-D) histograms are obtained. The crystal of interaction can be identified on these histograms in which only 0.5 mol% or 1.5 mol% GSO crystal elements are expressed. To evaluate this method, we constructed the four-stage DOI detector by alternately stacking 1.5 mol% GSO crystal stages and 0.5 mol% stages. The result of a scanning measurement with a /sup 137/Cs gamma-ray beam proved that the DOI detector had enough accuracy in crystal identification. IS - 3 JF - Nuclear Science, IEEE Transactions on EP - 633 TI - A depth of interaction detector for PET with GSO crystals doped with different amounts of Ce VL - 49 T2 - Nuclear Science, IEEE Transactions on SP - 629 KW - cerium KW - crystal KW - doi KW - gso KW - pet AU - Inadama, N AU - Murayama, H AU - Omura, T AU - Yamashita, T AU - Yamamoto, S AU - Ishibashi, H AU - Kawai, H AU - Omi, K AU - Umehara, T AU - Kasahara, T PY - 2002/// UR - http://dx.doi.org/10.1109/TNS.2002.1039540 ER -