Difference between revisions of "Temp overview"
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| − | + | <center>CT Experiment (E12-06-107) Run Plan Overview<br/> | |
| − | + | </center><br/> | |
| − | + | [htbp] | |
| − | + | ''' | |
| − | + | Kinematics for the run. | |
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| + | {| border='1' cellspacing='0' | ||
| + | | <math>Q^2</math> | ||
| + | |<math>E_e</math> | ||
| + | | <math>\theta_{e'}^{HMS}</math> | ||
| + | | <math>p_{HMS}</math> | ||
| + | | <math>\theta_{SHMS}</math> | ||
| + | | <math>p_{SHMS}</math> | ||
| + | | notes | ||
| + | |- | ||
| + | | GeV<math>^2</math> | ||
| + | | GeV | ||
| + | | deg | ||
| + | | GeV/c | ||
| + | | deg | ||
| + | | GeV/c | ||
| + | | | ||
| + | |- | ||
| + | | 8.01 | ||
| + | | 6.4 | ||
| + | | 45.07 | ||
| + | | 2.131 | ||
| + | | 17.13 | ||
| + | |5.122 | ||
| + | | overlap with E94139, first 3 pass kinematics, 1% stat | ||
| + | |- | ||
| + | | 14.76 | ||
| + | | 10.6 | ||
| + | | 41.8 | ||
| + | | 2.736 | ||
| + | | 12.02 | ||
| + | | 8.753 | ||
| + | | First 5 pass kinematics 2-2.5% stat | ||
| + | |- | ||
| + | | 12.43 | ||
| + | | 10.6 | ||
| + | | 31.5 | ||
| + | | 3.978 | ||
| + | | 16.08 | ||
| + | | 7.502 | ||
| + | | Second 5 pass kine, run with 2% stat | ||
| + | |- | ||
| + | | 10.02 | ||
| + | | 10.6 | ||
| + | | 24.48 | ||
| + | | 5.259 | ||
| + | | 20.55 | ||
| + | | 6.209 | ||
| + | | Third 5 pass kine, run with 1.4% stat | ||
| + | |- | ||
| + | | 10.02 | ||
| + | | 10.6 | ||
| + | | 24.48 | ||
| + | | 5.259 | ||
| + | | 17.55 | ||
| + | | 6.209 | ||
| + | | proton angle scan, &nbsp;2.5% stat (time permitting) | ||
| + | |- | ||
| + | | 10.02 | ||
| + | | 10.6 | ||
| + | | 24.48 | ||
| + | | 5.259 | ||
| + | | 23.55 | ||
| + | | 6.209 | ||
| + | | proton angle scan, &nbsp;2.5% stat (time permitting) | ||
| + | |} | ||
| + | tab:kinematics_jul | ||
| + | ''' | ||
| + | <br/> | ||
| + | All time estimates in the overview assume 50% Hall C + Accelerator efficiency, | ||
| + | including configuration change time and a beam current of 65 <math>\mu</math>A. \<center><math>2ex]<br/> | ||
| + | \subsection*{Last shift before Experiment begins:}<br/><br/> | ||
| + | #{All spectrometer magnets on to correct polarity and cycled to initial | ||
| + | values. Spectrometers also at initial angles.}<br/> | ||
| + | #{Check that no new obstructions have appeared since the spectrometer | ||
| + | angles were certified. For example, ladders, RadCon survey ropes, etc.}<br/> | ||
| + | #{Double-check HMS/SHMS Gas Cerenkov pressure is at correct value.}<br/> | ||
| + | #{Verify there are no obstructions between the detectors (ie, no WC covers, | ||
| + | no dangling cables, etc.) on both spectrometers.}<br/> | ||
| + | #{Verify there are no unusual obstructions between the scattering chamber | ||
| + | and the spectrometer front windows. Make sure any protective windows on the | ||
| + | scattering chamber have been removed.}<br/> | ||
| + | #{Lock up the hall.}<br/> | ||
| + | #{Clean up the counting house. Make sure all terminals, consoles, and printers are alive and well.}<br/> | ||
| + | #{Take a cosmic run and look for problems.}<br/> | ||
| + | <br/> | ||
\pagebreak | \pagebreak | ||
\noindent | \noindent | ||
| − | {\color{blue}{ \large | + | {\color{blue}{ \large '''{6.4 GeV data taking: 60 beam hours scheduled, need 8 hrs for calibration and 52 hrs (at 50% eff.) for production.}'''}}<br/><br/> |
| − | |||
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{\BrickRed{ | {\BrickRed{ | ||
| − | + | #{Calibrations </math><math> 8 hours} | |
| − | + | #*{Verify magnets properly cycled - Beam energy measurement - Harp scan} | |
| − | + | #*{Detector checkout with 3/4 trigger, and long run for detector calibration} | |
| − | }} | + | #*{BCM Calibration (unless one was completed very close to the start of experiment)} |
| − | + | #*{</math>ep<math> elastic coincidences, (Heepcheck) </math>Q^2<math>=4.0 GeV</math>^2<math>, HMS at 4.263 GeV/c, 22.10 deg, SHMS at 2.928 GeV/c, 33.21 deg ,expected rate ~ few Hz \@ 65 </math><math>A current. (at least 3 hrs).} | |
| − | + | #*{verify timing of all triggers}}}<br/> | |
| − | + | #{</math>Q^2=8.0<math> </math>(GeV/c)^2<math> production, goal: 10000 cnts} | |
| − | + | #*{LH + MT 12 hrs + 4 hrs} | |
| − | + | #*{C 36 hrs}<br/> | |
| − | |||
\noindent | \noindent | ||
| − | {\color{blue}{ \large | + | {\color{blue}{ \large '''{10.6 GeV data taking: 300 beam hours scheduled, need 8 hrs for calibration and 292 hrs (at 50% eff.) for production.}'''}}<br/>{\BrickRed{ |
| − | + | #{Calibrations </math><math> 8 hours} | |
| − | + | #*{Verify magnets properly cycled - Beam energy measurement - Harp scan} | |
| − | + | #*{Detector checkout with 3/4 trigger, and long run for detector calibration} | |
| − | {\BrickRed{ | + | #*{BCM calibration} |
| − | + | #*{</math>ep<math> elastic coincidences (Heepcheck), </math>Q^2<math>=9.5 GeV</math>^2<math>, HMS at 5.5394 GeV/c, 23.20 deg, SHMS at 5.9250 GeV/c, 21.61 deg ,expected rate ~ few Hz \@ 65 </math><math>A current. (at least 4 hrs) }}}<br/> | |
| − | + | {\PineGreen{<br/> | |
| − | }} | + | #{</math>Q^2=14.76<math> </math>(GeV/c)^2<math> production, goal: 2000 cnts} |
| − | + | #*{LH + MT 51 hrs + 17 hrs} | |
| − | {\PineGreen{ | + | #*{C 122 hrs} |
| − | + | #{configuration change 5 hrs} | |
| − | + | #{</math>Q^2=12.43<math> </math>(GeV/c)^2<math> production, goal: 2500 cnts} | |
| − | + | #*{LH + MT 12 hrs + 4 hrs} | |
| − | + | #*{C 24 hrs} | |
| − | + | #{configuration change 5 hrs} | |
| − | + | #{</math>Q^2=10.02<math> </math>(GeV/c)^2<math> production, goal: 4500 cnts} | |
| − | + | #*{LH + MT 6 hrs + 2 hrs} | |
| − | + | #*{C 12.0 hrs} | |
| − | + | #{</math>Q^2=10.02<math> </math>(GeV/c)^2<math> proton angle scan, goal: 2500 cnts } | |
| − | + | #*{C 12.0 hrs, proton angle scan 1, 2500 cnts} | |
| − | + | #*{C 20.0 hrs, proton angle scan 2, 2500 cnts}<br/> | |
| + | }}<br/> | ||
| − | } | + | \end{document}</math></pre></body></html> |
Revision as of 15:20, 15 January 2018
<html><body>
papersize=8.5in,11in<br/>
<center>CT Experiment (E12-06-107) Run Plan Overview<br/>
</center><br/>
[htbp]
'''
Kinematics for the run.
{| border='1' cellspacing='0'
| <math>Q^2</math>
|<math>E_e</math>
| <math>\theta_{e'}^{HMS}</math>
| <math>p_{HMS}</math>
| <math>\theta_{SHMS}</math>
| <math>p_{SHMS}</math>
| notes
|-
| GeV<math>^2</math>
| GeV
| deg
| GeV/c
| deg
| GeV/c
|
|-
| 8.01
| 6.4
| 45.07
| 2.131
| 17.13
|5.122
| overlap with E94139, first 3 pass kinematics, 1% stat
|-
| 14.76
| 10.6
| 41.8
| 2.736
| 12.02
| 8.753
| First 5 pass kinematics 2-2.5% stat
|-
| 12.43
| 10.6
| 31.5
| 3.978
| 16.08
| 7.502
| Second 5 pass kine, run with 2% stat
|-
| 10.02
| 10.6
| 24.48
| 5.259
| 20.55
| 6.209
| Third 5 pass kine, run with 1.4% stat
|-
| 10.02
| 10.6
| 24.48
| 5.259
| 17.55
| 6.209
| proton angle scan, 2.5% stat (time permitting)
|-
| 10.02
| 10.6
| 24.48
| 5.259
| 23.55
| 6.209
| proton angle scan, 2.5% stat (time permitting)
|}
tab:kinematics_jul
'''
<br/>
All time estimates in the overview assume 50% Hall C + Accelerator efficiency,
including configuration change time and a beam current of 65 <math>\mu</math>A. \<center><math>2ex]<br/>
\subsection*{Last shift before Experiment begins:}<br/><br/>
#{All spectrometer magnets on to correct polarity and cycled to initial
values. Spectrometers also at initial angles.}<br/>
#{Check that no new obstructions have appeared since the spectrometer
angles were certified. For example, ladders, RadCon survey ropes, etc.}<br/>
#{Double-check HMS/SHMS Gas Cerenkov pressure is at correct value.}<br/>
#{Verify there are no obstructions between the detectors (ie, no WC covers,
no dangling cables, etc.) on both spectrometers.}<br/>
#{Verify there are no unusual obstructions between the scattering chamber
and the spectrometer front windows. Make sure any protective windows on the
scattering chamber have been removed.}<br/>
#{Lock up the hall.}<br/>
#{Clean up the counting house. Make sure all terminals, consoles, and printers are alive and well.}<br/>
#{Take a cosmic run and look for problems.}<br/>
<br/>
\pagebreak
\noindent
{\color{blue}{ \large '''{6.4 GeV data taking: 60 beam hours scheduled, need 8 hrs for calibration and 52 hrs (at 50% eff.) for production.}'''}}<br/><br/>
{\BrickRed{
#{Calibrations </math><math> 8 hours}
#*{Verify magnets properly cycled - Beam energy measurement - Harp scan}
#*{Detector checkout with 3/4 trigger, and long run for detector calibration}
#*{BCM Calibration (unless one was completed very close to the start of experiment)}
#*{</math>ep<math> elastic coincidences, (Heepcheck) </math>Q^2<math>=4.0 GeV</math>^2<math>, HMS at 4.263 GeV/c, 22.10 deg, SHMS at 2.928 GeV/c, 33.21 deg ,expected rate ~ few Hz \@ 65 </math><math>A current. (at least 3 hrs).}
#*{verify timing of all triggers}}}<br/>
#{</math>Q^2=8.0<math> </math>(GeV/c)^2<math> production, goal: 10000 cnts}
#*{LH + MT 12 hrs + 4 hrs}
#*{C 36 hrs}<br/>
\noindent
{\color{blue}{ \large '''{10.6 GeV data taking: 300 beam hours scheduled, need 8 hrs for calibration and 292 hrs (at 50% eff.) for production.}'''}}<br/>{\BrickRed{
#{Calibrations </math><math> 8 hours}
#*{Verify magnets properly cycled - Beam energy measurement - Harp scan}
#*{Detector checkout with 3/4 trigger, and long run for detector calibration}
#*{BCM calibration}
#*{</math>ep<math> elastic coincidences (Heepcheck), </math>Q^2<math>=9.5 GeV</math>^2<math>, HMS at 5.5394 GeV/c, 23.20 deg, SHMS at 5.9250 GeV/c, 21.61 deg ,expected rate ~ few Hz \@ 65 </math><math>A current. (at least 4 hrs) }}}<br/>
{\PineGreen{<br/>
#{</math>Q^2=14.76<math> </math>(GeV/c)^2<math> production, goal: 2000 cnts}
#*{LH + MT 51 hrs + 17 hrs}
#*{C 122 hrs}
#{configuration change 5 hrs}
#{</math>Q^2=12.43<math> </math>(GeV/c)^2<math> production, goal: 2500 cnts}
#*{LH + MT 12 hrs + 4 hrs}
#*{C 24 hrs}
#{configuration change 5 hrs}
#{</math>Q^2=10.02<math> </math>(GeV/c)^2<math> production, goal: 4500 cnts}
#*{LH + MT 6 hrs + 2 hrs}
#*{C 12.0 hrs}
#{</math>Q^2=10.02<math> </math>(GeV/c)^2<math> proton angle scan, goal: 2500 cnts }
#*{C 12.0 hrs, proton angle scan 1, 2500 cnts}
#*{C 20.0 hrs, proton angle scan 2, 2500 cnts}<br/>
}}<br/>
\end{document}</math></body></html>
