1. Test Pulse Neighbors #3 Carl Goodrich 9/18/07

2. Electronic ID – Software ID Map Eid Sid location 0 682inner 12046outer 22047outer 32045outer 4 681inner 5 680inner 62044outer 72043outer 82042outer 9 679inner 102041outer 112040outer Pattern InnerOuter 1 3 2 3 1 2 1 pattern repeats every 12 channels

3. Pattern in the links Repeating pattern of 12 channels groups of channels channels in links 0 – 11 0 – 31 12 – 2332 – 63 24 – 3564 – 95 36 – 4796 – 127 48 – 59 … 60 – 71 72 – 83 84 – 95 96 – 107 … 3 possible configurations of 32 channels C0C1C2C0C1C2

4. From Last Time All Phi Detectors Channels 6 and 21 in links 1, 4, 7, 10, … –Double-Gaussian distribution Approximately symmetric about 0 (mean ≈ 0) TP injected into channels 4 and 23

5. Cause: Inner vs. Outer Strips? All 2 nd neighbor effects were observed in C 1 links Effects not observed for R detectors –Due to front-end electronics. C 0 : 1 2 3 4 5 6 7 … 20 21 22 23 24 25 26 C 1 : 1 2 3 4 5 6 7 … 20 21 22 23 24 25 26 C 2 : 1 2 3 4 5 6 7 … 20 21 22 23 24 25 26 Black: outerRed: inner

6. Why the second neighbor? Possibly the PaPad… This pattern repeats for ALL links  Not the cause  Might explain why it is observed in second neighbors

7. TELL1 27, link 9 (C 0 ) Ch.4 Ch.23

8. TELL1 27, link 10 (C 1 ) Ch.4 Ch.23

9. TELL1 27, link 11 (C 2 ) Ch.4 Ch.23