Difference between revisions of "MainPage:Nuclear:KaonDetector:PMTCharacteristics:LogBook:pag01"

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{|border="1" cellpadding="2" cellspacing="0" style="background-color:lightgray"
 
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| <font size="2">'''[[MainPage:Nuclear:KaonDetector:PMTCharacteristics|&lArr; Back to the PMT Characteristics page]]'''</font>
 
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== LogBook on the CODA data acquisition, at CUA ==
 
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{| border="1" style="float:auto; text-align:center; font-size:90%; width:100%; background:#f0f0f0; border-collapse: collapse; border-width: 1px; border-style: solid; border-color: #000"
 
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|+ <font color="blue" size="3"><b>LogBook</b></font>
 
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! "background:#f5f5f5;" style="text-align:center; background:lavender; font-weight:bold; width:5%;" | Run Number
 
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! "background:#f5f5f5;" style="text-align:center; background:lavender; font-weight:bold; width:8%;" | Date
 
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! "background:#f5f5f5;" style="text-align:center; background:lavender; font-weight:bold; width:8%;" | User
 
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! "background:#f5f5f5;" style="text-align:center; background:lavender; font-weight:bold; width:5%;" | PMT
 
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! "background:#f5f5f5;" style="text-align:center; background:lavender; font-weight:bold; width:5%;" | High Voltage
 
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! "background:#f5f5f5;" style="text-align:center; background:lavender; font-weight:bold; width:12%;" | Experiment
 
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! "background:#f5f5f5;" style="text-align:center; background:lavender; font-weight:bold; width:35%;" | Description and observations
 
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! "background:#f5f5f5;" style="text-align:center; background:lavender; font-weight:bold; width:18%;" | Image
 
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| 455 || 02/20/2012 || Mike / Marco || 09641 || -1.78 kV || PMT Scanning || Reference PMT inserted. Four layers of office paper inserted in front of the LED, inside the hole for light colimating. Flashing the LED in front of the center of the 5" PMT with 10Hz, all night long. LED pulses of 5V x 20ns. Orientation: high voltage cable in the direction of the entrance door. REF in ch#2 and 5"PMT in ch#3. '''PMT S/N 09641''' and '''base #101''' || -
 
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| 456 || 02/21/2012 || Mike / Marco || 09641 || -1.78 kV || PMT Scanning || Scanning the PMT with horizontal and vertical scanning. 25 x 25 position matrix. 500 points in each position. Same configuration of run #455. || [[File:456.jpg|frameless]]
 
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| 467 || 02/24/2012 || Marco || 09641 || -1.78 kV || PMT Scanning || Shielding inserted, making two 25x25 scans. The first one runs the lines and the second one runs the columns. Orientation: high voltage cable close in the direction of the back wall. || [[File:467.jpg|frameless]]
 
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| 468 || 02/24/2012 || Marco || 09641 || -1.78 kV || PMT Scanning || Same as #467, but rotating PMT by 180 degrees. Orientation: high voltage cable in the direction of the entrance door. || [[File:468.jpg|frameless]]
 
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| 469 || 02/26/2012 || Mike || 09641 || -1.78 kV || PMT Scanning || HV cable toward entrance, PMT tilted downward by about 15 degrees. No shielding. || [[File:469.jpg|frameless]]
 
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| 470 || 02/26/2012 || Mike || 09641 || -1.78 kV || PMT Scanning || Same as #469, but with PMT tilted upward by about 15 degrees. No shielding. || [[File:470.jpg|frameless]]
 
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| 472 || 02/27/2012 || Mike / Marco || 09650 || -1.78 kV || PMT Scanning || Changing the PMT to see if we have the same shape of the scanning (to compare with run #468, for the previous PMT). HV cable toward entrance. Shielding inserted. '''PMT S/N 09650''' and '''base #102''' || [[File:472.jpg|frameless]]
 
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| 473 || 02/27/2012 || Mike / Marco || 09650 || -1.91 kV || PMT Scanning || Same as #472, just changing the High Voltage || [[File:473.jpg|frameless]]
 
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| 474 || 02/27/2012 || Mike / Marco || 09650 || -1.91 kV || PMT Scanning || Rotating the PMT by 180^o. New orientation: HV cable toward back wall. || [[File:474.jpg|frameless]]
 
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| 475 || 02/27/2012 || Mike / Marco || 09650 || -1.78 kV || PMT Scanning || Same as #474, just changing the High Voltage. It is a 180 degrees rotation of the run #472. || [[File:475.jpg|frameless]]
 
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| 476 || 03/12/2012 || Mike / Marco || 09650 || -1.78 kV || PMT Gain || Looking for the Single Electron Peak, flashing the LED in front of the PMT. Configuration: no shielding, PMT not oriented to some direction, 5V x 20ns pulses, PMT S/N 09650 with base #102. <u>Conclusion</u>: SEP not defined. Do we need to amplify the signal to increase the resolution of our system? Decrease the light intensity? || [[File:476.jpg|frameless]]
 
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| 477 || 03/13/2012 || Marco || 09650 || -1.78 kV || PMT Gain || Same as #476, changing the LED pulse: 3V @ 6ns. || [[File:477.jpg|frameless]]
 
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| 478 || 03/13/2012 || Marco || 09650 || -1.78 kV || PMT Gain || Junk. Forgot to turn LED on. || -
 
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| 479 || 03/13/2012 || Marco || 09650 || -1.78 kV || PMT Gain || Same as #476, changing the LED pulse: 4V @ 6ns. About 1M samples @ 1kHz. Distance from pedestal to SEP: 15.63 channels. || [[File:479.jpg|frameless]]
 
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| 480 || 03/13/2012 || Marco || 09650 || -2.02 kV || PMT Gain || Same as #479, changing the High Voltage. || [[File:480.jpg|frameless]]
 
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| 481 || 03/13/2012 || Marco || 09650 || -1.89 kV || PMT Gain || Same as #480, changing the High Voltage. || [[File:481.jpg|frameless]]
 
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| 488 || 03/14/2012 || Felipe / Marco || - || - || Setup Attenuation Factor || First tentative to register the pulse in the ADC (see description at #489). Signal much intense, ADC saturated. || -
 
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| 489 || 03/14/2012 || Felipe / Marco || - || - || Setup Attenuation Factor || Negative pulses were generated using the Avtec module. They were passing through all the cables and connectors to enter into the same channel #3 of the ADC. So the attenuation factor would be calculated. Gate width: 40ns. Pulse width: 10ns (beginning 5ns after the gate edge). Pulse area: -1.430(3)nVs. Pulse peak-to-peak: 133.6mV. Oscilloscope screen in [[:File:120314_153220.bmp|120314_153220.bmp]]. See [[:File:120314_153041.bmp|120314_153041.bmp]] used in the adjust of the gate. || [[File:489.jpg|frameless]]
 
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| 490 || 03/14/2012 || Felipe / Marco || - || - || Setup Attenuation Factor || A jumper was inserted in the ADC channel #3 to measure the channel relative to area zero. The gate features remain the same as in #489. || [[File:490.jpg|frameless]]
 
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| 491 || 03/14/2012 || Felipe / Marco || - || - || Setup Attenuation Factor || Same as #489, changing the input pulses intensity. Pulse area: -826.9(30)pVs. Pulse peak-to-peak: 54.4mV. The width changed even without changing the pulse generator parameter: 14ns. Oscilloscope screen in [[:File:120314_153609.bmp|120314_153609.bmp]]. || [[File:491.jpg|frameless]]
 
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| 492 || 03/14/2012 || Felipe / Marco || - || - || Setup Attenuation Factor || Same as #489, changing the input pulses intensity. Pulse area: 515(10)pVs. Pulse peak-to-peak: 12.4mV. Pulse width: 38ns. Oscilloscope screen in [[:File:120314_171907.bmp|120314_171907.bmp]]. || [[File:492.jpg|frameless]]
 
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| 493 || 03/14/2012 || Felipe / Marco || - || - || Setup Attenuation Factor || Same as #489, changing the input pulses intensity. Pulse area: -2.876(20)nVs. Pulse peak-to-peak: 322mV. Pulse width: 7.80ns. Oscilloscope screen in [[:File:120314_172349.bmp|120314_172349.bmp]]. || [[File:493.jpg|frameless]]
 
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| 494 || 03/14/2012 || Felipe / Marco || - || - || Setup Attenuation Factor || Same as #489, changing the input pulses intensity. Pulse area: -4.290(20)nVs. Pulse peak-to-peak: 424mV. Pulse width: 8.16ns. Oscilloscope screen in [[:File:120314_172626.bmp|120314_172626.bmp]]. || [[File:494.jpg|frameless]]
 
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| 495 || 03/14/2012 || Felipe / Marco || - || - || Setup Attenuation Factor || Same as #489, changing the input pulses intensity. Pulse area: -5.630(20)nVs. Pulse peak-to-peak: 496mV. Pulse width: 9.58ns. Oscilloscope screen in [[:File:120314_172809.bmp|120314_172809.bmp]]. || [[File:495.jpg|frameless]]
 
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| 496 || 03/14/2012 || Felipe / Marco || - || - || Setup Attenuation Factor || Same as #489, changing the input pulses intensity. Pulse area: -1.064(10)nVs. Pulse peak-to-peak: 81.6mV. Pulse width: 10.95ns. Oscilloscope screen in [[:File:120314_173006.bmp|120314_173006.bmp]]. || [[File:496.jpg|frameless]]
 
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| 497 || 03/14/2012 || Felipe / Marco || - || - || Setup Attenuation Factor || Same as #496, changing the pulse and the gate widths to see if the integration is independent of the time. Pulse area: -1.180(20)nVs. Pulse width: n/a. Gate adjustment in [[:File:120314_173511.bmp|120314_173511.bmp]]. || [[File:497.jpg|frameless]]
 
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| - || 03/14/2012 || Felipe / Marco || - || - || Setup Attenuation Factor || Fitting for adjusting the attenuation factor. Using runs from #490 to #497. Adjusted attenuation factor: 0.9129 +/- 0.0220. Used factors: oscilloscope impedance 50 Ohm; ADC full range  256pC@10bits. || [[File:490to497fit.jpg|frameless]]
 
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| 501 || 04/--/2012 || Felipe || 09650 || -1.85 || PMT Gain || Flashing LED in the center of the PMT to analyze the gain. || [[File:501.jpg|frameless]]
 
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| 508 || 04/--/2012 || Felipe || 09650 || -1.95 || PMT Gain || Flashing LED in the center of the PMT to analyze the gain. || [[File:508.jpg|frameless]]
 
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| 510 || 04/--/2012 || Felipe || 09650 || -2.00 || PMT Gain || Flashing LED in the center of the PMT to analyze the gain. || [[File:510.jpg|frameless]]
 
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| 512 || 04/--/2012 || Felipe || 09650 || -2.05 || PMT Gain || Flashing LED in the center of the PMT to analyze the gain. || [[File:512.jpg|frameless]]
 
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| 521 || 04/18/2012 || Marco || 09650 || -1.79 || PMT Scanning || Scanning PMT with high resolution: 100x100 matrix, 10k points in each position. Time between flashes: 2ms (P-2). Grid size: 457 steps per movement. (lost 99 points in CODA, don't know why) || -
 
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| 522 || 04/19/2012 || Marco || 09650 || -2.17 || PMT Scanning || Same as 521, just changing High Voltage. (lost 93 points) || -
 
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| 523 || 04/19/2012 || Marco || 09650 || -2.30 || PMT Scanning || Same as 521, just changing High Voltage. || -
 
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| 524 || 04/20/2012 || Marco || 09650 || -2.30 || PMT Gain || LED centered in front of the PMT flashing with 3V @ 10ns, rate approx. 1.1kHz. Configurations of the pulse generator module (Avtech AV-1030-C): fine pot amplitude in 7.0 and fine pot time width in 3.5; coarse pots in minumum. || [[File:524.jpg|frameless]]
 
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| 525 || 04/20/2012 || Marco || 09650 || -2.43 || PMT Gain || Same as 524, just changing High Voltage. || [[File:525.jpg|frameless]]
 
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| 526 || 04/20/2012 || Marco || 09650 || -1.67 || PMT Gain || Same as 524, just changing High Voltage. || [[File:526.jpg|frameless]]
 
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| 527 || 04/20/2012 || Marco || 09650 || -1.40 || PMT Gain || Same as 524, just changing High Voltage. || [[File:527.jpg|frameless]]
 
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| 528 || 04/20/2012 || Marco || 09650 || -1.50 || PMT Gain || Same as 524, just changing High Voltage. || [[File:528.jpg|frameless]]
 
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| 529 || 04/20/2012 || Marco || 09650 || -1.60 || PMT Gain || Same as 524, just changing High Voltage. || [[File:529.jpg|frameless]]
 
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| 530 || 04/20/2012 || Marco || 09650 || -1.70 || PMT Gain || Same as 524, just changing High Voltage. || [[File:530.jpg|frameless]]
 
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| 531 || 04/20/2012 || Marco || 09650 || -2.00 || PMT Gain || Same as 524, just changing High Voltage. || [[File:531.jpg|frameless]]
 
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| - || 04/20/2012 || Marco || 09650 || - || PMT Gain || Final graph of the PMT #09650 gain. || [[File:9650_gain.jpg|frameless]]
 
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| 536 || 05/01/2012 || Marco/Felipe || 09650 || -1.78 || Prot. light tight || Prototype inserted inside a dark box and signal passing through a discriminator to generate trigger. Discriminator adjusted to have about 0.5kHz rate. || [[File:536.jpg|frameless]]
 
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| 537 || 05/01/2012 || Marco/Felipe || 09650 || -1.78 || Prot. light tight || Same as 536, just turning off all the lights inside the lab to make sure there is no light leak. || [[File:537.jpg|frameless]]
 
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| 538 || 05/01/2012 || Marco/Felipe || 09650 || -1.78 || Prot. light tight || A small piece of scintillator material (3cm x 7cm) placed inside the prototype, to see if something change. || [[File:538.jpg|frameless]]
 
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| 539 || 05/01/2012 || Marco/Felipe || 09650 || -1.78 || Prot. light tight || An external trigger was created to gate the ADC, making possible the pedestal identification. || [[File:539.jpg|frameless]]
 
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| 544 || 05/08/2012 || Marco || 09641 || -1.77 || PMT Dark Current || '''PMT changed'''. Inside de plastic box, analyzing the dark current for the PMT (no LED or scintillator). Discriminating signals to have rate of approx. 1.5kHz. || [[File:544.jpg|frameless]]
 
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| 545 || 05/08/2012 || Marco || 09641 || -1.77 || PMT Dark Current || Same as #544, just reducing the discriminator level to get lower signal (higher rate - approx. 3kHz). || [[File:545.jpg|frameless]]
 
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| 547 || 05/08/2012 || Marco || 09641 || -1.77 || PMT Gain || Flashing LED in front of the PMT to get the gain. Approx. 1kHz data rate. || [[File:547.jpg|frameless]]
 
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| 548 || 05/08/2012 || Marco || 09641 || -1.77 || PMT Gain || Same as #547, changing LED intensity. || [[File:548.jpg|frameless]]
 
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| 549 || 05/08/2012 || Marco || 09641 || -1.77 || PMT Gain || Delaying signal (with a long cable) to gate the ADC in a zero level, taking the pedestal position. || [[File:549.jpg|frameless]]
 
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| 550 || 05/08/2012 || Mike/Marco || 09650 || -1.77 || Prototype noise || '''PMT changed'''. Prototype inside a dark box. Signal passing through a Linear Fan-Out, then going to the Discriminator to generate the gate (for ADC) and going to ADC channel #3. Discriminator level adjusted to have counting rate of about 1kHz. Cables used to delay signal. Pedestal position from run #553 and SEP to pedestal calibration from run #479. || [[File:550.jpg|frameless]]
 
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| 551 || 05/08/2012 || Mike/Marco || 09650 || -1.77 || Prototype noise || Same as #550, but with the dark box opened. Lab light hitting the prototype. || [[File:551.jpg|frameless]]
 
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| 552 || 05/08/2012 || Mike/Marco || 09650 || -1.77 || Prototype noise || Signal delayed by a long cable, so triggering in the zero level to analyze the pedestal position on the ADC. || [[File:552.jpg|frameless]]
 
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| 556 || 05/14/2012 || Nathaniel || 09604 || -1.699 || PMT Gain || LED Intensity @ 2.6V, Duration 15 ns, data rate 1 kHz. || [[File:556.jpg|frameless]]
 
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| 558 || 05/14/2012 || Nathaniel || 09604 || -1.798 || PMT Gain || LED Intensity @ 2.6V, Duration 15 ns, data rate 1 kHz. || [[File:558.jpg|frameless]]
 
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| 559 || 05/14/2012 || Nathaniel || 09604 || -1.901 || PMT Gain || LED Intensity @ 2.6V, Duration 15 ns, data rate 1 kHz. || [[File:559.jpg|frameless]]
 
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| 560 || 05/14/2012 || Nathaniel || 09604 || -2.003 || PMT Gain || LED Intensity @ 2.6V, Duration 15 ns, data rate 1 kHz. || [[File:560.jpg|frameless]]
 
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| 561 || 05/14/2012 || Nathaniel || 09604 || -2.101 || PMT Gain || LED Intensity @ 2.6V, Duration 15 ns, data rate 1 kHz. || [[File:561.jpg|frameless]]
 
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| 562 || 05/14/2012 || Nathaniel || 09604 || -2.199 || PMT Gain || LED Intensity @ 2.6V, Duration 15 ns, data rate 1 kHz. || [[File:562.jpg|frameless]]
 
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| 563 || 05/14/2012 || Nathaniel || 09604 || -2.301 || PMT Gain || LED Intensity @ 2.6V, Duration 15 ns, data rate 1 kHz. || [[File:563.jpg|frameless]]
 
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Revision as of 16:54, 14 May 2012

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