Difference between revisions of "To cross sections"

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Details:
 
Details:
  
(at each step, estimate the systematics uncertainties)
+
(important: at each step, estimate the systematics uncertainties.)
  
 
* Beamline:
 
* Beamline:
  - BCM calibration
+
  - BCM calibration <span style="color:#ff0000"> (Done by Patricia)</span>
  - BPM/raster calibration
+
  - BPM/raster calibration <span style="color:#ff0000"> (Done)</span>
  - Beam energy  
+
  - Beam energy <span style="color:#ff0000"> (Done)</span>
  
  
 
* Spectrometers:
 
* Spectrometers:
  - optics calibration  
+
  - optics calibration <span style="color:#ff0000"> (Done)</span>
  - pointing analysis for each kinematics
+
  - pointing analysis for each kinematics  
  
  
 
* Detectors:
 
* Detectors:
   - VDC calibration and efficiencies
+
   - VDC calibration and efficiencies <span style="color:#ff0000"> (Done)</span>
   - Scintillator calibration (timing) and efficiencies
+
   - Scintillator calibration (timing) and efficiencies <span style="color:#ff0000"> (Efficiencies done; timing has double peak issue, skip)</span>
   - Cerenkov calibration and efficiencies
+
   - Cerenkov calibration and efficiencies <span style="color:#ff0000"> (Done)</span>
   - calorimeter calibration and efficiencies
+
   - calorimeter calibration and efficiencies <span style="color:#ff0000"> (Done)</span>
  
  

Latest revision as of 14:10, 22 September 2011

Analysis scheme:

Xgt2 analysis scheme.jpg


Details:

(important: at each step, estimate the systematics uncertainties.)

  • Beamline:
- BCM calibration  (Done by Patricia)
- BPM/raster calibration  (Done)
- Beam energy  (Done)


  • Spectrometers:
- optics calibration  (Done)
- pointing analysis for each kinematics 


  • Detectors:
 - VDC calibration and efficiencies  (Done)
 - Scintillator calibration (timing) and efficiencies  (Efficiencies done; timing has double peak issue, skip)
 - Cerenkov calibration and efficiencies  (Done)
 - calorimeter calibration and efficiencies  (Done)


  • Targets:
- beam position study
- cryo-target density analysis: boiling study
- Calcium thickness analysis with the position QE scan
- dummy contamination


  • Simulation:
- Right arm mistuned study
- bin centering (use also xs model) and acceptance correction


  • Radiative corrections:
- iteration of the xs model with our data
- xs model comparison with World data
- radiative correction using updated model

  • Physics extraction and publications
- 2N and 3N ratios and use of alpha_2N and alpha_3N
- isospin study: Ca-48/Ca-40
- absolute cross sections and FSI