Changeset 4161

Timestamp:

05/24/04 21:02:25 (21 years ago)

Author:

gaug

Message:

*** empty log message ***

Location:

trunk/MagicSoft/Mars/mcalib

Files:

• MCalibrationChargeCam.h (modified) (2 diffs)
• MCalibrationQEPix.cc (modified) (2 diffs)

trunk/MagicSoft/Mars/mcalib/MCalibrationChargeCam.h

@@ -14 +14 @@
 private:
   
-  Byte_t  fFlags;                       // Bit-field to hold the flags
+  Byte_t  fFlags;                         // Bit-field to hold the flags
 
   Float_t fNumPhotonsBlindPixelMethod;    // Average nr. photons from Blind Pixel Method (Inner Pixel)
@@ -61 +61 @@
   void  SetNumPhotonsPINDiodeMethodErr  ( const Float_t f )  { fNumPhotonsPINDiodeMethodErr   = f; }   
   
-  ClassDef(MCalibrationChargeCam, 1) // Container Charge Calibration Results Camera
+  ClassDef(MCalibrationChargeCam, 2) // Container Charge Calibration Results Camera
 };
 

trunk/MagicSoft/Mars/mcalib/MCalibrationQEPix.cc

@@ -124 +124 @@
 //  the PMT photocathode twice, increasing the effective sensitivity of the PMT.
 //
-//  Jurgen Gebauer did some quick measurements about this issue. I attach a 
-//  plot. You can see that the angular dependence is (more or less) in agreement 
-//  with a CosTheta function (below 20-25 degrees),
-//  which is the variation of teh entrance window cross section. So, in 
-//  first approximation, no loses when increasing light incidence angle; 
-//  and therefore, the factor 0.94."
+//Begin_Html
+/*
+<img src="images/Normalized_Cherenkov_phe_spectrums_20deg_60deg_coatedPMT.png">
+*/
+//End_Html
+//
+// The plot shows the normalized spectrum of photo-electrons preceding from 
+// a typical spectrum of Cherenkov photons produced by an atmospheric shower. The 
+// green line is for observation zenith angles of 20 deg. and the red line for 
+// 60 deg. The overall effective QE drops from about 20.8 to about 19.8. 
+//
+// Jurgen Gebauer did some quick measurements about this issue. I attach a 
+// plot. You can see that the angular dependence is (more or less) in agreement with a 
+// CosTheta function (below 20-25 degrees), which is the variation of the entrance 
+// window cross section. So, in first approximation, no losses when increasing light 
+// incidence angle; and therefore, the factor 0.94.
+//
+//Begin_Html
+/*
+<img src="images/JuergensMeasurementWithCosThetaCurve.png">
+*/
+//End_Html
+//
 //
 // See also: MJCalibration, MCalibrationChargeCalc, 
@@ -170 +187 @@
 //
 MCalibrationQEPix::MCalibrationQEPix(const char *name, const char *title)
-    :  fQEBlindPixel    ( MCalibrationCam::gkNumPulserColors), 
-       fQEBlindPixelVar ( MCalibrationCam::gkNumPulserColors ),
-       fQECombined      ( MCalibrationCam::gkNumPulserColors ),    
-       fQECombinedVar   ( MCalibrationCam::gkNumPulserColors ), 
-       fQEFFactor       ( MCalibrationCam::gkNumPulserColors ),     
-       fQEFFactorVar    ( MCalibrationCam::gkNumPulserColors ),  
-       fQEPINDiode      ( MCalibrationCam::gkNumPulserColors ),    
-       fQEPINDiodeVar   ( MCalibrationCam::gkNumPulserColors ),
-       fAverageQE       ( gkDefaultAverageQE ), 
-       fValidFlags      ( MCalibrationCam::gkNumPulserColors )
+    :  fAverageQE       ( gkDefaultAverageQE )
 {
 
   fName  = name  ? name  : "MCalibrationQEPix";
   fTitle = title ? title : "Container of the calibrated quantum efficiency ";
+
+  fQEBlindPixel    .Set( MCalibrationCam::gkNumPulserColors ); 
+  fQEBlindPixelVar .Set( MCalibrationCam::gkNumPulserColors );
+  fQECombined      .Set( MCalibrationCam::gkNumPulserColors );    
+  fQECombinedVar   .Set( MCalibrationCam::gkNumPulserColors ); 
+  fQEFFactor       .Set( MCalibrationCam::gkNumPulserColors );     
+  fQEFFactorVar    .Set( MCalibrationCam::gkNumPulserColors );  
+  fQEPINDiode      .Set( MCalibrationCam::gkNumPulserColors );    
+  fQEPINDiodeVar   .Set( MCalibrationCam::gkNumPulserColors );
+  fValidFlags      .Set( MCalibrationCam::gkNumPulserColors );
 
   Clear();