S800 Documentation

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s800_spectcl [2014/12/01 14:22]
pereira [S800 SpecTcl] 		s800_spectcl [2018/03/09 14:19]
pereira
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 ====== S800 SpecTcl ====== ====== S800 SpecTcl ======
-SpecTcl is the NSCL's event data analysis tool used for online and offline data analysis during experiments involving the S800 spectrograph. The documentation is accessible at: http://docs.nscl.msu.edu/daq/spectcl/ +SpecTcl is the NSCL's event data analysis tool used for online and offline data analysis during experiments involving the S800 spectrograph. The documentation is accessible at: http://docs.nscl.msu.edu/daq/spectcl/. 
  
 +The S800 SpecTcl is run from the main directory **/user/s800/s800spectcl**. Instruction on how to install this software can be found [[S800 SpecTcl#S800 SpecTcl installation in S800 computer|here]]. 
  
-The SpecTcl Control has been adapted for special functions required for the analysis of S800 data. SpecTcl can be open by from computer u6pc5 by clicking in the corresponding icon. The figure below shows the GUI control of the S800 analysis.  
  
-{{:wiki:SpecTclcontrol.jpg}}+The SpecTcl Control has been adapted for special functions required for the analysis of S800 data. SpecTcl can be open by from computer [[Software#u6pc5 (data U6)|u6pc5]] by clicking in the icon **SpecTcl** located in its desktop, or from a Linux terminal by typing ''gospectcl". 
  
 +Spectra definition files can be found in directory **/user/s800/s800spectcl/Definitions**. Some pre-defined windows with useful spectra can be found in directory **/user/s800/s800spectcl/Windows**.
  
 +The figure below shows the GUI control of the S800 analysis. 
 +
 +{{:wiki:SpecTclcontrol.jpg}}
  
 The inverse map which enables the trajectory reconstruction of the particles within the spectrograph beam line can be loaded. Snapshots of [[Detectors#Cathode Readout Drift Chambers (CRDC)|CRDC]] and [[Detectors#Tracking Parallel Plate Avalanche Counters (TPPAC)|TPPAC]] events sampled in the pads and strips can be viewed. If this option is "armed", the sample is read out for the first event that falls into the specified gate. This is a diagnostics tool to analyze the response of the CRDCs and TPPACs.  The inverse map which enables the trajectory reconstruction of the particles within the spectrograph beam line can be loaded. Snapshots of [[Detectors#Cathode Readout Drift Chambers (CRDC)|CRDC]] and [[Detectors#Tracking Parallel Plate Avalanche Counters (TPPAC)|TPPAC]] events sampled in the pads and strips can be viewed. If this option is "armed", the sample is read out for the first event that falls into the specified gate. This is a diagnostics tool to analyze the response of the CRDCs and TPPACs. 
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   * **s800.fp.crdc1 s800.fp.crdc2**   * **s800.fp.crdc1 s800.fp.crdc2**
     * **.x** and **.y**: x and y positions of the particles hitting the CRDCs (calibrated)      * **.x** and **.y**: x and y positions of the particles hitting the CRDCs (calibrated) 
-    * **.tac**: the raw drift time of the electrons in the CRDCs which finally relates to the y position via the mask calibration +    * **.tac**: the raw drift time of the electrons in the CRDCs which can be related to the y position via the mask calibration 
     * **.calc.x_gravity**, **.calc.x_fit**: the x position in the CRDCs calculated using two methods (center-of-gravity or Gaussian fit) to determine the CRDC x position from the charge distribution induced in the pads by the electrons drifting towards the anode wire.     * **.calc.x_gravity**, **.calc.x_fit**: the x position in the CRDCs calculated using two methods (center-of-gravity or Gaussian fit) to determine the CRDC x position from the charge distribution induced in the pads by the electrons drifting towards the anode wire.
-    *  .anode: amplitude of the CRDC anode signal (used for diagnostics) +    *  **.anode**: amplitude of the CRDC anode signal (used for diagnostics) 
   * **s800.fp.track**   * **s800.fp.track**
     * **.afp**: dispersive angle in the focal plane calculated from the x-y positions of the particles measured with the CRDCs      * **.afp**: dispersive angle in the focal plane calculated from the x-y positions of the particles measured with the CRDCs 
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 +===== S800 SpecTcl installation in S800 computer =====
 +.............................
  
s800_spectcl.txt ยท Last modified: 2023/09/20 16:00 by swartzj

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