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Recap Analysis RIKEN/RBRC Itaru Nakagawa. Conductive Rubber Attempted to cut in RIKEN using super sonic cutter. Achieved Precision ~ ± 0.8mm 抵抗値 富士高分子.

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Presentation on theme: "Recap Analysis RIKEN/RBRC Itaru Nakagawa. Conductive Rubber Attempted to cut in RIKEN using super sonic cutter. Achieved Precision ~ ± 0.8mm 抵抗値 富士高分子."— Presentation transcript:

1 Recap Analysis RIKEN/RBRC Itaru Nakagawa

2 Conductive Rubber Attempted to cut in RIKEN using super sonic cutter. Achieved Precision ~ ± 0.8mm 抵抗値 富士高分子 信越化学 EC-300BHEC-300BM 3x3x3 t mm ~1  ~80  ~40  カタログ 値 0.02  16  8 8 

3 Conductive Rubber Assembly Removed 2mm thick Fuji Polymer Made Conductive rubber and replaced with ShiEtsu EC-300BH. Silver paste glued Fuji Polymer’s rubber very well. Sticky enough for practical use for 2x2x2 t mm rubber. Not tested 3x3x3 t mm one yet. Silver paste glued Fuji Polymer’s rubber very well. Sticky enough for practical use for 2x2x2 t mm rubber. Not tested 3x3x3 t mm one yet. Difficult to line up cubes nicely. Difficult to line up cubes nicely. EC-BH の残りと EC-BM の 打ち抜きはソッコー(株) に依頼。 EC-BH の残りと EC-BM の 打ち抜きはソッコー(株) に依頼。

4 Trigger Improvement 22Na chamber 22Na scintillator    

5 Scinti Trigger Latency Scan 0BCLK 2BCLK 4BCLK 8BCLK 200k events Clock Trigger 90 Sr Clock Trigger 90 Sr 200k events

6 Latency Scan Results Latency [BCLK]ADC[2]>500ADC[2]>1000 011936 112630 216450 410128 611425 812131 1212432 1411830 clock1884661

7 X-talk Analysis

8 Sampled Strip 22 (trigger) 22 (trigger) 17 27

9 w/o recap scope shots 22 27 17 10 sec accumulation time Trigger Source @ 21 ~ 22

10 w/ recap scope shots 22 27 17 10 sec accumulation time Trigger Source @ 21 ~ 22

11 10 sec accumulation time Trigger Strip#27 Strip#25 Strip#20 Strip#19 Source @ 21 ~ 22 w/o recap averaged pulse

12 Trigger Strip#27 Strip#25 Strip#20 Strip#19 Source @ 21 ~ 22 w/ recap averaged pulse

13 Scope Measurements Summary With Out Recap Clampw/ Recap Ave. Amp [mV] With/Without Board #Strip#pk2pk2nd meas.from GND Ratio 31107600 32117700 331277-7.50 341327 2.50 3514440470300200.07 3615380400215150.07 3716155 102.5150.15 381714315290200.22 3918130 97.522.50.23 4019116 85200.24 4120-146 -110-1301.18 42219999 1.00 43229999 1.00 44239999 1.00 4524-150 -140-1851.32 4625-163 27.5-55-2.00 472655 65-7.5-0.12 4827100 67.5-7.5-0.11 4928101 60-17.5-0.29 502915114275-15-0.20 513091 47.5-30-0.63 5231-46-45-37.5-47.51.27 53326 00 54337 00 55347 00 Average-0.06

14

15 Consistency btwn Scope and CROC- DAQ measurements

16 Event Selection of Peak Strip Strip=21 fADC[][2]-fADC[][0]>1000 ある程度のタイミングセレクション は自動的に入って いる。 fADC[][2]>fADC[][3] を要求す るとイベントはなくなって しまう。つまり fADC[][2] でピークを 迎える事象はゴミイベントのみ。 ある程度のタイミングセレクション は自動的に入って いる。 fADC[][2]>fADC[][3] を要求す るとイベントはなくなって しまう。つまり fADC[][2] でピークを 迎える事象はゴミイベントのみ。

17 Operating Voltage at 1800V w/o recap w recap w/o recap-31.4 w/ recap-5.17 Ratio0.16

18 Operating Voltage at 1800V (shape cut) w/o recap w recap ADC[2]/ADC[0]>5 ADC[2]>1000 ADC[1] { "@context": "http://schema.org", "@type": "ImageObject", "contentUrl": "http://images.slideplayer.com/14/4384198/slides/slide_18.jpg", "name": "Operating Voltage at 1800V (shape cut) w/o recap w recap ADC[2]/ADC[0]>5 ADC[2]>1000 ADC[1]5 ADC[2]>1000 ADC[1]

19 Signal Structure ADC[2] vs. ADC[0]

20 4 Samples Event Structure fADC[][2]>fADC[][3] fADC[][1]>fADC[][2]

21 feedata000.root.vs feeclus000.root As long as one sticks with fADC[st][], there is no filtering in contained events in feeclus000.root. Difference between fADC[st][]’s in these files is difference in pedestal subtracted or not.

22 Clustering.vs raw data dat100601/feeclus002.dat dat100601/feedata002.dat

23 dat100601/feedata002 fADC[st][2]<1000


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