Simple SCT parametric simulation

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== SimpleSctParSimAlg ==
  
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The <code>SimpleSctParSimAlg</code> algorithm ([https://git.inp.nsk.su/sctau/aurora/-/tree/master/Simulation/SimpleSctParSim gitlab]) implements parametric simulation routine. Tools implementing [https://git.inp.nsk.su/sctau/aurora/-/blob/master/Simulation/SimpleSctParSim/SimpleSctParSim/ICalorimeterTool.h <code>ICalorimeterTool</code>], [https://git.inp.nsk.su/sctau/aurora/-/blob/master/Simulation/SimpleSctParSim/SimpleSctParSim/ITrackerTool.h <code>ITrackerTool</code>], and [https://git.inp.nsk.su/sctau/aurora/-/blob/master/Simulation/SimpleSctParSim/SimpleSctParSim/SimplePIDTool.h <code>IPIDTool</code>] are required for actual simulation. A user can implement these tools with necessary logic. The following example tool implementations exist:
  
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* [https://git.inp.nsk.su/sctau/aurora/-/blob/master/Simulation/SimpleSctParSim/SimpleSctParSim/SimpleCalorimeterTool.h SimpleCalorimeterTool]
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* [https://git.inp.nsk.su/sctau/aurora/-/blob/master/Simulation/SimpleSctParSim/SimpleSctParSim/SimpleTrackerTool.h SimpleTrackerTool]
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* [https://git.inp.nsk.su/sctau/aurora/-/blob/master/Simulation/SimpleSctParSim/SimpleSctParSim/SimplePIDTool.h SimplePIDTool]
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== SimpleCalorimeterTool ==
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The <code>SimpleCalorimeterTool</code> tool implements the following logic:
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* Lower photon energy threshold (<code>energyThreshold</code> property)
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* Photon detection efficiency (<code>deteff</code> property)
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* Polar angle cut (<code>maxCosth</code> property)
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* 3D Gaussian resolution for energy, cos(theta) and phi variables (<code>sampler</code> property)
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== SimpleTrackerTool ==
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The <code>SimpleTrackerTool</code> tool implements the following logic:
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* Minimal track transverse momentum (<code>ptcut</code> parameter)
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* Track reconstruction efficiency (<code>deteff</code> parameter)
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* Magnetic field (<code>bfield</code> parameter)
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* Polar angle cut (<code>maxCosth</code> property)
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* 3D Gaussian resolution for track vertex (<code>vertexSampler</code> property)
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* 3D Gaussian resolution for track momentum (<code>momentumSampler</code> property)
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== SimplePIDTool ==
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The <code>SimplePIDTool</code> tool implements the following logic:
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* Probability of having PID decision (<code>eff</code> parameter)
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* mu/pi separation quality (<code>sigmaMupi</code> parameter)
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* K/pi separation quality (<code>sigmaKpi</code> parameter)
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* K/p separation quality (<code>sigmaKp</code> parameter)
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* electron id quality (<code>sigmaE</code> parameter)
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== Config example ==
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parsimCfg = AuroraConfig({
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    'Tracker' : {
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        'deteff': 0.99,
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        'ptcut': 50e-3,
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        'bfield': 1.5,
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        'maxCosth': np.cos(10./180. * np.pi),
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        'momentumSampler' : {
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            'mean' : np.zeros(3),
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            'covar': np.diag(np.ones(3)) * 1.e-3**2
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        },
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        'vertexSampler' : {
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            'mean' : np.zeros(3),
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            'covar': np.diag(np.ones(3)) * 1.e-3**2
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        }
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    },
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    'PID' : {
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        'eff' : 1.00,
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        'sigmaKpi' : 6.,
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        'sigmaMupi' : 4.,
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        'sigmaKp' : 3.,
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        'sigmaE' : 3.,
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    },
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    'Calorimeter' : {
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        'deteff': 1.0,
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        'energyThreshold' : 15e-3,
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        'maxCosth' : np.cos(10./180. * np.pi),
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        'sampler' : {
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            'mean' : np.zeros(3),
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            'covar': (np.diag(np.ones(3)) * 1.e-2**2).ravel()
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        }
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    }
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})
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am.add_parsim(which='simple', cfg=parsimCfg)

Latest revision as of 18:25, 4 August 2021

Contents

[edit] SimpleSctParSimAlg

The SimpleSctParSimAlg algorithm (gitlab) implements parametric simulation routine. Tools implementing ICalorimeterTool, ITrackerTool, and IPIDTool are required for actual simulation. A user can implement these tools with necessary logic. The following example tool implementations exist:

[edit] SimpleCalorimeterTool

The SimpleCalorimeterTool tool implements the following logic:

  • Lower photon energy threshold (energyThreshold property)
  • Photon detection efficiency (deteff property)
  • Polar angle cut (maxCosth property)
  • 3D Gaussian resolution for energy, cos(theta) and phi variables (sampler property)

[edit] SimpleTrackerTool

The SimpleTrackerTool tool implements the following logic:

  • Minimal track transverse momentum (ptcut parameter)
  • Track reconstruction efficiency (deteff parameter)
  • Magnetic field (bfield parameter)
  • Polar angle cut (maxCosth property)
  • 3D Gaussian resolution for track vertex (vertexSampler property)
  • 3D Gaussian resolution for track momentum (momentumSampler property)

[edit] SimplePIDTool

The SimplePIDTool tool implements the following logic:

  • Probability of having PID decision (eff parameter)
  • mu/pi separation quality (sigmaMupi parameter)
  • K/pi separation quality (sigmaKpi parameter)
  • K/p separation quality (sigmaKp parameter)
  • electron id quality (sigmaE parameter)

[edit] Config example 

parsimCfg = AuroraConfig({
   'Tracker' : {
       'deteff': 0.99,
       'ptcut': 50e-3,
       'bfield': 1.5,
       'maxCosth': np.cos(10./180. * np.pi),
       'momentumSampler' : {
           'mean' : np.zeros(3),
           'covar': np.diag(np.ones(3)) * 1.e-3**2
       },
       'vertexSampler' : {
           'mean' : np.zeros(3),
           'covar': np.diag(np.ones(3)) * 1.e-3**2
       }
   },
   'PID' : {
       'eff' : 1.00,
       'sigmaKpi' : 6.,
       'sigmaMupi' : 4.,
       'sigmaKp' : 3.,
       'sigmaE' : 3.,
   },
   'Calorimeter' : {
       'deteff': 1.0,
       'energyThreshold' : 15e-3,
       'maxCosth' : np.cos(10./180. * np.pi),
       'sampler' : {
           'mean' : np.zeros(3),
           'covar': (np.diag(np.ones(3)) * 1.e-2**2).ravel()
       }
   }
})
am.add_parsim(which='simple', cfg=parsimCfg)
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