70 likes | 195 Views
Usage of high FNUF crystals. At present, for the high performance region of EE, 1.57< <2.5 Crystals with FNUF < 0.71 Unfortunately many crystals have FNUF > 0.71 ~4269 in 14,648 Q) How to hide in inner and outer regions of EE ?. SIC – preproduction 2004-5. Usage of high FNUF crystals. BTCP.
E N D
Usage of high FNUF crystals At present, for the high performance region of EE, 1.57<<2.5Crystals with FNUF < 0.71 Unfortunately many crystals have FNUF > 0.71~4269 in 14,648 Q) How to hide in inner and outer regions of EE ? D Cockerill XDPG 19.6.2007
SIC – preproduction 2004-5 Usage of high FNUF crystals BTCP SIC - production Mean value 0.58%/Xo 88.5% crystals <0.71%/Xo Mean value : 1.04%/Xo D Cockerill XDPG 19.6.2007
FNUF before/after irradiation Initial After 1m-1 BTCP Mean value 0.6%/Xo BTCP Mean value 0%/Xo SIC Mean value 1.03%/Xo SIC Mean value 0.5%/Xo SIC D Cockerill XDPG 19.6.2007
Usage of high FNUF crystals D Cockerill XDPG 19.6.2007
Usage of high FNUF crystals Purple outside Inner green D Cockerill XDPG 19.6.2007
Conclusions Most crystals with poor FNUF can be absorbed in the inner and outer regions of EE D Cockerill XDPG 19.6.2007
LY Initial After 1m-1 BTCP Mean value : 8pe/MeV BTCP Mean value : 11.4pe/MeV BTCP SIC Mean value : 16.4pe/MeV SIC Mean value : 11.5pe/MeV D Cockerill XDPG 19.6.2007