Difference between revisions of "Gembeam log first"
From Hall A Wiki
| Line 43: | Line 43: | ||
Good x2 and y2 = 5454 with good y3 = 2933 eff = 0.53777 | Good x2 and y2 = 5454 with good y3 = 2933 eff = 0.53777 | ||
|- | |- | ||
| − | | 535 || Tracking and Space Resolution analysis for run 535 || Apr 28 2011 || || || 3.850V || 52111 || Start run before beam and took about 1100 events with no beam. Took data at 1uA with He target. | + | | 535 || Tracking and Space Resolution analysis for run 535 || Apr 28 2011 || || || 3.850V || 52111 || Start run before beam and took about 1100 events with no beam. Took data at 1uA with He target. [https://hallaweb.jlab.org/wiki/index.php/Image:Adc_535.gif Differences for each GEM plane], 2D plot: [https://hallaweb.jlab.org/wiki/index.php/Image:Size_535.gif Differences vs. Position for each GEM plane], [https://hallaweb.jlab.org/wiki/index.php/Image:Pos_535.gif Slopes of track projections to z-x plane & z-y plane], [https://hallaweb.jlab.org/wiki/index.php/Image:Pos_y_x_535.gif Fitting track projections of the last event ] |
|- | |- | ||
| || || Apr 26 2011 || || || || ||April 26th entered hall. Found HV to GEM 1 has tripped off. Could not figure out a quick fix. Took GEM off stack and had RADCON survey. | | || || Apr 26 2011 || || || || ||April 26th entered hall. Found HV to GEM 1 has tripped off. Could not figure out a quick fix. Took GEM off stack and had RADCON survey. | ||
Revision as of 18:27, 28 April 2011
| RUN # | Source/Cosmic/Pedestal | Date | Start Time | End Time | HV | # of events | notes | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 531 | Pedestal | Apr 21 2011 | 3.850V | Good pedestal run : ADC vs. chan number , Mean vs. chan number ,RMS vs. chan number | |||||||||||
| 532 | Cosmics | Apr 21 2011 | 3.850V | Try cosmic with only one paddle. Not successful | |||||||||||
| 533 | Cosmics | Apr 21 2011 | 14:38 | 15:30 | 3.850V | 1103 | Make coincidence between small paddle and bottom half of "E" plane, Raised the voltage on the scintillator paddle to 2.15V during run to increase rate.
Gem1 hits with good x and y = 52 good x1 = 59 Good y1 = 92 Gem2 hits with good x and y = 47 good x2 = 49 Good y2 = 118 Gem3 hits with good x and y = 99 good x3 = 111 Good y3 = 192 | ||||||||
| 534 | Cosmics | Apr 21 2011 | 15:31 | 16:20 | 3.850V | 12356 | Before run start increase gas flow from 0.2 to 0.4 at flowmeter
Gem1 hits with good x and y = 102 good x1 = 110 Good y1 = 141 Gem2 hits with good x and y = 46 good x2 = 49 Good y2 = 122 Gem3 hits with good x and y = 92 good x3 = 102 Good y3 = 166 | ||||||||
| 535 | Beam | Apr 22 2011 | 11:21 | 12:03 | 3.850V | 52111 | Start run before beam and took about 1100 events with no beam. Took data at 1uA with He target. 1D plots of ADC for each GEM plane, Size for each GEM plane, Position for each GEM plane (red is a hit with other plane in chamber) . 2d Plots of Y vx X position for each GEM , Y vx X size for each GEM , Y vx X adc for each GEM , ADC vs size for each GEM plane
Gem1 hits with good x and y = 7620 good x1 = 8342 Good y1 = 11666 Gem2 hits with good x and y = 5454 good x2 = 6189 Good y2 = 10321 Gem3 hits with good x and y = 2616 good x3 = 2945 Good y3 = 6287 Hit in all planes = 1580 Good x2 and y2 = 5454 with good x1 = 4136 eff = 0.758343 Good x2 and y2 = 5454 with good y1 = 4390 eff = 0.804914 Good x3 and y3 = 2616 with good x1 = 2023 eff = 0.773318 Good x3 and y3 = 2616 with good y1 = 2084 eff = 0.796636 Good x1 and y1 = 7620 with good x2 = 4268 eff = 0.560105 Good x1 and y1 = 7620 with good y2 = 5526 eff = 0.725197 Good x3 and y3 = 2616 with good x2 = 1966 eff = 0.751529 Good x3 and y3 = 2616 with good y2 = 2159 eff = 0.825306 Good x1 and y1 = 7620 with good x3 = 2139 eff = 0.280709 Good x1 and y1 = 7620 with good y3 = 3473 eff = 0.455774 Good x2 and y2 = 5454 with good x3 = 1988 eff = 0.364503 Good x2 and y2 = 5454 with good y3 = 2933 eff = 0.53777 | ||||||||
| 535 | Tracking and Space Resolution analysis for run 535 | Apr 28 2011 | 3.850V | 52111 | Start run before beam and took about 1100 events with no beam. Took data at 1uA with He target. Differences for each GEM plane, 2D plot: Differences vs. Position for each GEM plane, Slopes of track projections to z-x plane & z-y plane, Fitting track projections of the last event | ||||||||||
| Apr 26 2011 | April 26th entered hall. Found HV to GEM 1 has tripped off. Could not figure out a quick fix. Took GEM off stack and had RADCON survey. | ||||||||||||||
| Apr 26 2011 | Install 2nd scintillator in front of GEMs. Setup coincidence. | ||||||||||||||
| 540 | Pedestal | Apr 26 2011 | 15:57:31 | 15:57:57 | 3.820V | 3158 | Only GEM2 and 3 installed | ||||||||
| 541 | 5 micro Ampere BeO no raster | Apr 26 2011 | 16:00:31 | 16:33:57 | 3.820V | 25000 | Only GEM2 and 3 installed. 1D plots of ADC for each GEM plane (red is X planes is for X > 3cm), Size for each GEM plane, Position for each GEM plane (red is a hit with other plane in chamber) . 2d Plots of Y vx X position for each GEM , Y vx X size for each GEM , Y vx X adc for each GEM , ADC vs size for each GEM plane | ||||||||
| 542 | 5 micro Ampere BeO no raster | Apr 26 2011 | 16:45:13 | 16:49:52 | 3.820V | 19000 | Only GEM2 and 3 installed. 1D plots of ADC for each GEM plane (red is X planes is for X > 3cm), Size for each GEM plane, Position for each GEM plane (red is a hit with other plane in chamber) . 2d Plots of Y vx X position for each GEM , Y vx X size for each GEM , Y vx X adc for each GEM , ADC vs size for each GEM plane | ||||||||
| 543 | 5 micro Ampere BeO no raster | Apr 26 2011 | 16:55:13 | 17:09:52 | 3.820V | 7153 | Only GEM2 and 3 installed. 1D plots of ADC for each GEM plane(red is X planes is for X > 3cm) , Size for each GEM plane, Position for each GEM plane (red is a hit with other plane in chamber) . 2d Plots of Y vx X position for each GEM , Y vx X size for each GEM , Y vx X adc for each GEM , ADC vs size for each GEM plane
Event=7150 Gem1 hits with good x and y = 0 good x1 = 0 Good y1 = 0 Gem2 hits with good x and y = 3370 good x2 = 3632 Good y2 = 3796 Gem3 hits with good x and y = 2245 good x3 = 2496 Good y3 = 2879 Hit in all planes = 1845 Good x3 and y3 = 2245 with good x2 = 1972 eff = 0.878396 Good x3 and y3 = 2245 with good y2 = 1946 eff = 0.866815 Good x2 and y2 = 3370 with good x3 = 2010 eff = 0.596439 Good x2 and y2 = 3370 with good y3 = 2307 eff = 0.68457 | ||||||||
| 544 | 29 micro Ampere BeO with raster | Apr 26 2011 | 17:10:39 | 17:22:41 | 3.820V | 213521 | Only GEM2 and 3 installed. 1D plots of ADC for each GEM plane (red is X planes is for X > 3cm), Size for each GEM plane, Position for each GEM plane (red is a hit with other plane in chamber) . 2d Plots of Y vx X position for each GEM , Y vx X size for each GEM , Y vx X adc for each GEM , ADC vs size for each GEM plane
the number of events is 147537 Event=147537 Gem1 hits with good x and y = 0 good x1 = 0 Good y1 = 0 Gem2 hits with good x and y = 76517 good x2 = 80520 Good y2 = 95701 Gem3 hits with good x and y = 44507 good x3 = 48416 Good y3 = 62654 Hit in all planes = 32332 Good x3 and y3 = 44507 with good x2 = 33624 eff = 0.755477 Good x3 and y3 = 44507 with good y2 = 36382 eff = 0.817444 Good x2 and y2 = 76517 with good x3 = 34691 eff = 0.453376 Good x2 and y2 = 76517 with good y3 = 43013 eff = 0.562137 | ||||||||
| 545 | 118 micro Ampere BeO with raster | Apr 26 2011 | 18:25:43 | 18:29:12 | 3.820V | 75870 | Only GEM2 and 3 installed. 1D plots of ADC for each GEM plane (red is X planes is for X > 3cm), Size for each GEM plane, Position for each GEM plane (red is a hit with other plane in chamber) . 2d Plots of Y vx X position for each GEM , Y vx X size for each GEM , Y vx X adc for each GEM , ADC vs size for each GEM plane
the number of events is75867 Event=75867 Gem1 hits with good x and y = 0 good x1 = 0 Good y1 = 0 Gem2 hits with good x and y = 39263 good x2 = 41268 Good y2 = 49417 Gem3 hits with good x and y = 21421 good x3 = 23198 Good y3 = 31982 Hit in all planes = 15134 Good x3 and y3 = 21421 with good x2 = 15731 eff = 0.734373 Good x3 and y3 = 21421 with good y2 = 17148 eff = 0.800523 Good x2 and y2 = 39263 with good x3 = 16198 eff = 0.412551 Good x2 and y2 = 39263 with good y3 = 21285 eff = 0.542113 | ||||||||
| 546 | 118 micro Ampere BeO with raster | Apr 26 2011 | 18:40:54 | 18:55:20 | 3.820V | 251658 | Only GEM2 and 3 installed. 1D plots of ADC for each GEM plane (red is X planes is for X > 3cm), Size for each GEM plane, Position for each GEM plane (red is a hit with other plane in chamber) . 2d Plots of Y vx X position for each GEM , Y vx X size for each GEM , Y vx X adc for each GEM , ADC vs size for each GEM plane
the number of events is 147538 Event=147538 Gem1 hits with good x and y = 0 good x1 = 0 Good y1 = 0 Gem2 hits with good x and y = 76550 good x2 = 80548 Good y2 = 95655 Gem3 hits with good x and y = 41942 good x3 = 45559 Good y3 = 62211 Hit in all planes = 30170 Good x3 and y3 = 41942 with good x2 = 31317 eff = 0.746674 Good x3 and y3 = 41942 with good y2 = 33991 eff = 0.810429 Good x2 and y2 = 76550 with good x3 = 32324 eff = 0.42226 Good x2 and y2 = 76550 with good y3 = 41990 eff = 0.54853 | ||||||||
| 546 | 118 micro Ampere BeO with raster FULL REPLAY Apr. 28, 2011 6:26 | Apr 26 2011 | 18:40:54 | 18:55:20 | 3.820V | 251658 | Only GEM2 and 3 installed. 1D plots of ADC for each GEM plane (red is X planes is for X > 3cm), Size for each GEM plane, Position for each GEM plane (red is a hit with other plane in chamber) . 2d Plots of Y vx X position for each GEM , Y vx X size for each GEM , Y vx X adc for each GEM , ADC vs size for each GEM plane
the number of events is251655 Event=251655 Gem1 hits with good x and y = 0 good x1 = 0 Good y1 = 0 Gem2 hits with good x and y = 130472 good x2 = 137287 Good y2 = 163057 Gem3 hits with good x and y = 71806 good x3 = 78048 Good y3 = 106396 Hit in all planes = 51702 Good x3 and y3 = 71806 with good x2 = 53682 eff = 0.747598 Good x3 and y3 = 71806 with good y2 = 58156 eff = 0.809904 Good x2 and y2 = 130472 with good x3 = 55408 eff = 0.424673 Good x2 and y2 = 130472 with good y3 = 71876 eff = 0.550892 |
Apr 28th | During controlled access lowered HV to 3775 HV ( read with DVM). |
