1. Dark current of Blue-2 detectors after run-11 G.Atoian BNL, July 14, 2011

2. 1 – (1671.D6) 2 – Hamamatsu #2 3 - (1671.D3) (1671.D7) - 4 Hamamatsu #5 - 5 (1669.D4) - 6 Blue Target Station #2, Downstream, viewed by the beam looking downstream Listed are the (Wafer.Detector) and Port #.

3. Detectors Blue-2 after run-2011 Det.DescriptionPinsHV Dark Current, nA SUM 123456789101112 1671-3 BNL-2mm newshort150159161152 142141154162187165 1622110 1669-4 BNL-2mm newshort1501571611591481251351591561581621631592110 1671-6 BNL-2mm newshort150165168164162 1631671681591661691672210 1671-7 BNL-2mm newshort150159162161158148134118122280 1451421970 S4114-2 Ham. strip 0.9x4.4short1026 2728 293031 650 S4114-5 Ham. strip 0.9x4.4short102728 27 26580 Detectors Blue-2 before run-2011 1671-3 BNL-2mm newshort1000.3 0.5 0.3 20 1669-4 BNL-2mm newshort1000.50.3 20 1671-6 BNL-2mm newshort1000.3 20 1671-7 BNL-2mm newshort1000.3 0.5 0.3 20 S4114-4 Ham. strip 0.9x4.4short10Sum of all channels< 10 nA<10 S4114-5 Ham. strip 0.9x4.4short10Sum of all channels< 10 nA<10

4. 3 - (1671.D3)Alpha source

5. (1669.D4) - 6Alpha source

6. 1 – (1671.D6)Alpha source

7. (1671.D7) - 4Alpha source

8. 2 – Hamamatsu #2Alpha source

9. Hamamatsu #5 - 5Alpha source