diff --git a/src/Makefile.am b/src/Makefile.am
index fd52d6e4..6b9fe630 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -2,12 +2,13 @@
 
 SUBDIRS = external classes
 
-bin_PROGRAMS = musrfit musrview musrt0 musrparam msr2msr
+bin_PROGRAMS = musrfit musrview musrt0 musrparam msr2msr msr2data
 musrfit_SOURCES = musrfit.cpp
 musrview_SOURCES = musrview.cpp
 musrt0_SOURCES = musrt0.cpp
 musrparam_SOURCES = musrparam.cpp
 msr2msr_SOURCES = msr2msr.cpp
+msr2data_SOURCES = msr2data.cpp
 
 xmldir = $(bindir)
 xml_DATA = musrfit_startup.xml
diff --git a/src/classes/Makefile.am b/src/classes/Makefile.am
index b005cdee..5a2e3544 100644
--- a/src/classes/Makefile.am
+++ b/src/classes/Makefile.am
@@ -7,6 +7,7 @@ h_sources = \
   ../include/PFunctionGrammar.h \
   ../include/PFunction.h \
   ../include/PFunctionHandler.h \
+  ../include/PMsr2Data.h \
   ../include/PMsrHandler.h \
   ../include/PMusrCanvas.h \
   ../include/PMusr.h \
@@ -40,6 +41,7 @@ cpp_sources = \
   PFourier.cpp \
   PFunction.cpp \
   PFunctionHandler.cpp \
+  PMsr2Data.cpp \
   PMsrHandler.cpp \
   PMusrCanvas.cpp \
   PMusrT0.cpp \
diff --git a/src/classes/PMsrHandler.cpp b/src/classes/PMsrHandler.cpp
index 359351ae..b22b9a69 100644
--- a/src/classes/PMsrHandler.cpp
+++ b/src/classes/PMsrHandler.cpp
@@ -52,7 +52,7 @@ using namespace std;
  *
  * \param fileName
  */
-PMsrHandler::PMsrHandler(char *fileName) : fFileName(fileName)
+PMsrHandler::PMsrHandler(const char *fileName) : fFileName(fileName)
 {
   // init variables
   fMsrBlockCounter = 0;
diff --git a/src/classes/PMusrCanvas.cpp b/src/classes/PMusrCanvas.cpp
index 857eafeb..29faf392 100644
--- a/src/classes/PMusrCanvas.cpp
+++ b/src/classes/PMusrCanvas.cpp
@@ -521,6 +521,7 @@ void PMusrCanvas::UpdateInfoPad()
 
   // get/set run plot info
   double dval;
+  vector< pair<double, double> > ddvec;
   char   sval[128];
   unsigned int runNo;
   PMsrPlotStructure plotInfo = fMsrHandler->GetMsrPlotList()->at(fPlotNumber);
@@ -545,13 +546,21 @@ void PMusrCanvas::UpdateInfoPad()
       tstr += TString(",");
     }
     // temperature if present
-    tstr += TString("T=");
-    dval = fRunList->GetTemp(runs[runNo].fRunName[0]);
-    if (dval == -9.9e99) {
+    ddvec = fRunList->GetTemp(runs[runNo].fRunName[0]);
+    if (ddvec.empty()) {
+      tstr += TString("T=");
       tstr += TString("??,");
+    } else if (ddvec.size() == 1){
+      tstr += TString("T=");
+      sprintf(sval, "%0.2lf", ddvec[0].first);
+      tstr += TString(sval) + TString("K,");
     } else {
-      sprintf(sval, "%0.2lf", dval);
-      tstr += TString(sval) + TString("(K),");
+      for(unsigned int i(0); i<ddvec.size(); ++i){
+        sprintf(sval, "T%u=", i);
+        tstr += TString(sval);
+        sprintf(sval, "%0.2lf", ddvec[i].first);
+        tstr += TString(sval) + TString("K,");
+      }
     }
     // field if present
     tstr += TString("B=");
@@ -560,17 +569,17 @@ void PMusrCanvas::UpdateInfoPad()
       tstr += TString("??,");
     } else {
       sprintf(sval, "%0.2lf", dval);
-      tstr += TString(sval) + TString("(G),");
+      tstr += TString(sval) + TString("G,");
     }
     // energy if present
     tstr += TString("E=");
     dval = fRunList->GetEnergy(runs[runNo].fRunName[0]);
 //cout << endl << ">> dval = " << dval << " (Engery)";
-    if (dval == -9.9e99) {
+    if (dval == -999.0) {
       tstr += TString("??,");
     } else {
       sprintf(sval, "%0.2lf", dval);
-      tstr += TString(sval) + TString("(keV),");
+      tstr += TString(sval) + TString("keV,");
     }
     // setup if present
     tstr += fRunList->GetSetup(runs[runNo].fRunName[0]);
diff --git a/src/classes/PRunDataHandler.cpp b/src/classes/PRunDataHandler.cpp
index ee7eebca..b64a1662 100644
--- a/src/classes/PRunDataHandler.cpp
+++ b/src/classes/PRunDataHandler.cpp
@@ -114,7 +114,7 @@ PRunDataHandler::~PRunDataHandler()
  *
  * \param runName
  */
-PRawRunData* PRunDataHandler::GetRunData(TString runName)
+PRawRunData* PRunDataHandler::GetRunData(const TString &runName)
 {
   unsigned int i;
 
@@ -394,7 +394,9 @@ bool PRunDataHandler::ReadRootFile(bool notPostPileup)
   runData.fRunTitle = ostr.GetString();
 
   // get temperature
-  runData.fTemp = runHeader->GetSampleTemperature();
+  runData.fTemp.resize(1);
+  runData.fTemp[0].first = runHeader->GetSampleTemperature();
+  runData.fTemp[0].second = runHeader->GetSampleTemperatureError();
 
   // get field
   runData.fField = runHeader->GetSampleBField();
@@ -403,6 +405,9 @@ bool PRunDataHandler::ReadRootFile(bool notPostPileup)
   runData.fEnergy = runHeader->GetImpEnergy();
 //cout << endl << ">> runData.fEnergy = " << runData.fEnergy;
 
+  // get moderator HV
+  runData.fTransport = runHeader->GetModeratorHV();
+
   // get setup
   runData.fSetup = runHeader->GetLemSetup().GetString();
 
@@ -422,6 +427,107 @@ bool PRunDataHandler::ReadRootFile(bool notPostPileup)
     }
   }
 
+  // read run summary to obtain ring anode HV values
+  TObjArray *runSummary = dynamic_cast<TObjArray*>(folder->FindObjectAny("RunSummary"));
+
+  // check if run summary is valid
+  if (!runSummary) {
+    cout << endl << "Couldn't obtain run summary info from ROOT file " << fRunPathName.Data() << endl;
+    // this is not fatal... only RA-HV values are not available
+  } else { // it follows a (at least) little bit strange extraction of the RA values from Thomas' TObjArray...
+           //streaming of a ASCII-file would be more easy
+    TString s, tok;
+    TObjArrayIter summIter(runSummary);
+    TObjString *os(dynamic_cast<TObjString*>(summIter.Next()));
+    TObjArray *oa(0);
+    TObjString *objTok(0);
+    while(os != 0){
+      s = os->GetString();
+      // will put four parallel if's since it may be that more than one RA-values are on one line
+      if(s.Contains("RA-L")){
+        if(runData.fRingAnode.empty() || runData.fRingAnode.size() == 2)
+          runData.fRingAnode.resize(2);
+        oa = s.Tokenize(" ");
+        TObjArrayIter lineIter(oa);
+        objTok = dynamic_cast<TObjString*>(lineIter.Next());
+        while (objTok != 0){
+          if(!objTok->GetString().CompareTo("RA-L")){
+            objTok = dynamic_cast<TObjString*>(lineIter.Next()); // "="
+            if(objTok != 0 && !objTok->GetString().CompareTo("=")){
+              objTok = dynamic_cast<TObjString*>(lineIter.Next()); // HV value
+              runData.fRingAnode[0] = objTok->GetString().Atof(); // fill RA-R value into the runData structure
+              break;
+            }
+          }
+        objTok = dynamic_cast<TObjString*>(lineIter.Next()); // next token...
+        }
+      }
+
+      if(s.Contains("RA-R")){
+        if(runData.fRingAnode.empty() || runData.fRingAnode.size() == 2)
+          runData.fRingAnode.resize(2);
+        oa = s.Tokenize(" ");
+        TObjArrayIter lineIter(oa);
+        objTok = dynamic_cast<TObjString*>(lineIter.Next());
+        while (objTok != 0){
+          if(!objTok->GetString().CompareTo("RA-R")){
+            objTok = dynamic_cast<TObjString*>(lineIter.Next()); // "="
+            if(objTok != 0 && !objTok->GetString().CompareTo("=")){
+              objTok = dynamic_cast<TObjString*>(lineIter.Next()); // HV value
+              runData.fRingAnode[1] = objTok->GetString().Atof(); // fill RA-R value into the runData structure
+              break;
+            }
+          }
+        objTok = dynamic_cast<TObjString*>(lineIter.Next()); // next token...
+        }
+      }
+
+      if(s.Contains("RA-T")){
+        if(runData.fRingAnode.empty() || runData.fRingAnode.size() == 2)
+          runData.fRingAnode.resize(4);
+        oa = s.Tokenize(" ");
+        TObjArrayIter lineIter(oa);
+        objTok = dynamic_cast<TObjString*>(lineIter.Next());
+        while (objTok != 0){
+          if(!objTok->GetString().CompareTo("RA-T")){
+            objTok = dynamic_cast<TObjString*>(lineIter.Next()); // "="
+            if(objTok != 0 && !objTok->GetString().CompareTo("=")){
+              objTok = dynamic_cast<TObjString*>(lineIter.Next()); // HV value
+              runData.fRingAnode[2] = objTok->GetString().Atof(); // fill RA-T value into the runData structure
+              break;
+            }
+          }
+        objTok = dynamic_cast<TObjString*>(lineIter.Next()); // next token...
+        }
+      }
+
+      if(s.Contains("RA-B")){
+        if(runData.fRingAnode.empty() || runData.fRingAnode.size() == 2)
+          runData.fRingAnode.resize(4);
+        oa = s.Tokenize(" ");
+        TObjArrayIter lineIter(oa);
+        objTok = dynamic_cast<TObjString*>(lineIter.Next());
+        while (objTok != 0){
+          if(!objTok->GetString().CompareTo("RA-B")){
+            objTok = dynamic_cast<TObjString*>(lineIter.Next()); // "="
+            if(objTok != 0 && !objTok->GetString().CompareTo("=")){
+              objTok = dynamic_cast<TObjString*>(lineIter.Next()); // HV value
+              runData.fRingAnode[3] = objTok->GetString().Atof(); // fill RA-B value into the runData structure
+              break;
+            }
+          }
+        objTok = dynamic_cast<TObjString*>(lineIter.Next()); // next token...
+        }
+      }
+
+      os = dynamic_cast<TObjString*>(summIter.Next()); // next summary line...
+    }
+  }
+//   for (unsigned int i(0); i<runData.fRingAnode.size(); i++){
+//     cout << endl << runData.fRingAnode[i];
+//   }
+//   cout << endl;
+
   // read data ---------------------------------------------------------
   // check if histos folder is found
   f.GetObject("histos", folder);
@@ -482,6 +588,8 @@ bool PRunDataHandler::ReadRootFile(bool notPostPileup)
     runData.fDataBin[i].clear();
   runData.fDataBin.clear();
 
+  runData.fRingAnode.clear();
+
   return true;
 }
 
@@ -515,8 +623,10 @@ bool PRunDataHandler::ReadWkmFile()
   runData.fRunTitle       = TString("");
   runData.fSetup          = TString("");
   runData.fField          = -9.9e99;
-  runData.fTemp           = -9.9e99;
-  runData.fEnergy         = -9.9e99;
+  runData.fTemp.clear();
+  runData.fEnergy         = -999.0; // standard LEM values...
+  runData.fTransport      = -999.0; // standard LEM values...
+  runData.fRingAnode.clear();
   runData.fTimeResolution = 0.0;
 
   // open file
@@ -533,7 +643,7 @@ bool PRunDataHandler::ReadWkmFile()
   // read header
   bool    headerInfo = true;
   char    instr[512];
-  TString line;
+  TString line, linecp;
   double  dval;
   int     ival;
   bool    ok;
@@ -574,19 +684,54 @@ bool PRunDataHandler::ReadWkmFile()
         line.Replace(0, idx+1, 0, 0); // remove 'Setup:'
         StripWhitespace(line);
         runData.fSetup = line;
-      } else if (line.Contains("Temp")) {
+      } else if (line.Contains("Temp:") || line.Contains("Temp(meas1):")) {
+        linecp = line;
         idx = line.Index(":");
         line.Replace(0, idx+1, 0, 0); // remove 'Temp:'
         StripWhitespace(line);
-        idx = line.Index("+-"); // remove "+- ..." part
+        idx = line.Index("+/-"); // remove "+/- ..." part
         if (idx > 0)
           line.Resize(idx);
         idx = line.Index("K"); // remove "K ..." part
         if (idx > 0)
           line.Resize(idx);
         dval = ToDouble(line, ok);
-        if (ok)
-          runData.fTemp = dval;
+        if (ok){
+          runData.fTemp.resize(1);
+          runData.fTemp[0].first = dval;
+          runData.fTemp[0].second = 0.0;
+        }
+        idx = linecp.Index("+/-"); // get the error
+        linecp.Replace(0, idx+3, 0, 0);
+        StripWhitespace(linecp);
+        dval = ToDouble(linecp, ok);
+        if (ok && !runData.fTemp.empty()){
+          runData.fTemp[0].second = dval;
+        }
+      } else if (line.Contains("Temp(meas2):")) {
+        linecp = line;
+        idx = line.Index(":");
+        line.Replace(0, idx+1, 0, 0); // remove 'Temp(meas2):'
+        StripWhitespace(line);
+        idx = line.Index("+/-"); // remove "+/- ..." part
+        if (idx > 0)
+          line.Resize(idx);
+        idx = line.Index("K"); // remove "K ..." part
+        if (idx > 0)
+          line.Resize(idx);
+        dval = ToDouble(line, ok);
+        if (ok){
+          runData.fTemp.resize(2);
+          runData.fTemp[1].first = dval;
+          runData.fTemp[1].second = 0.0;
+        }
+        idx = linecp.Index("+/-"); // get the error
+        linecp.Replace(0, idx+3, 0, 0);
+        StripWhitespace(linecp);
+        dval = ToDouble(linecp, ok);
+        if (ok && runData.fTemp.size() > 1){
+          runData.fTemp[1].second = dval;
+        }
       } else if (line.Contains("Groups")) {
         idx = line.Index(":");
         line.Replace(0, idx+1, 0, 0); // remove 'Groups:'
@@ -840,15 +985,36 @@ cout << endl;
   // get run title
   runData.fRunTitle = TString(psiBin.get_comment().c_str()); // run title
   // get setup
-  runData.fSetup = TString("");
+  runData.fSetup = TString(psiBin.get_orient().c_str());
+  // set LEM specific information to default value since it is not in the file and not used...
+  runData.fEnergy = -999.0;
+  runData.fTransport = -999.0;
+  runData.fRingAnode.clear();
   // get field
   status = sscanf(psiBin.get_field().c_str(), "%lfG", &dval);
   if (status == 1)
     runData.fField = dval;
   // get temperature
-  status = sscanf(psiBin.get_temp().c_str(), "%lfK", &dval);
-  if (status == 1)
-    runData.fTemp = dval;
+  PDoubleVector tempVec(psiBin.get_temperatures_vector());
+  PDoubleVector tempDevVec(psiBin.get_devTemperatures_vector());
+  if(tempVec.size() > 1 && tempDevVec.size() > 1 && tempVec[0] && tempVec[1]) {
+    runData.fTemp.resize(2);
+    // take only the first two values for now...
+    //maybe that's not enough - e.g. in older GPD data I saw the "correct values in the second and third entry..."
+    for (unsigned int i(0); i<2; i++){
+      runData.fTemp[i].first = tempVec[i];
+      runData.fTemp[i].second = tempDevVec[i];
+    }
+    tempVec.clear();
+    tempDevVec.clear();
+  } else {
+    status = sscanf(psiBin.get_temp().c_str(), "%lfK", &dval);
+    if (status == 1)
+      runData.fTemp.resize(1);
+      runData.fTemp[0].first = dval;
+      runData.fTemp[0].second = 0.0;
+  }
+
   // get time resolution (ns)
   runData.fTimeResolution = psiBin.get_binWidth_ns();
   // get t0's
@@ -1022,7 +1188,9 @@ bool PRunDataHandler::ReadAsciiFile()
           success = false;
           break;
         }
-        runData.fTemp = workStr.Atof();
+        runData.fTemp.resize(1);
+        runData.fTemp[0].first = workStr.Atof();
+        runData.fTemp[0].second = 0.0;
       } else if (workStr.BeginsWith("energy:", TString::kIgnoreCase)) {
         workStr = TString(workStr.Data()+workStr.First(":")+2);
         if (!workStr.IsFloat()) {
@@ -1032,6 +1200,8 @@ bool PRunDataHandler::ReadAsciiFile()
           break;
         }
         runData.fEnergy = workStr.Atof();
+        runData.fTransport = -999.0; // just to initialize the variables to some "meaningful" value
+        runData.fRingAnode.clear();
       } else { // error
         cout << endl << "PRunDataHandler::ReadAsciiFile **ERROR** line no " << lineNo << ", illegal header line.";
         cout << endl;
diff --git a/src/classes/PRunListCollection.cpp b/src/classes/PRunListCollection.cpp
index 5a4166c8..f925bb9d 100644
--- a/src/classes/PRunListCollection.cpp
+++ b/src/classes/PRunListCollection.cpp
@@ -42,10 +42,9 @@
  * \param msrInfo pointer to the msr info structure
  * \param data
  */
-PRunListCollection::PRunListCollection(PMsrHandler *msrInfo, PRunDataHandler *data)
+PRunListCollection::PRunListCollection(PMsrHandler *msrInfo, PRunDataHandler *data) \
+ : fMsrInfo(msrInfo), fData(data)
 {
-  fMsrInfo = msrInfo;
-  fData = data;
 }
 
 //--------------------------------------------------------------------------
@@ -135,7 +134,7 @@ bool PRunListCollection::Add(int runNo, EPMusrHandleTag tag)
 /**
  * <p>
  */
-double PRunListCollection::GetSingleHistoChisq(const std::vector<double>& par)
+double PRunListCollection::GetSingleHistoChisq(const std::vector<double>& par) const
 {
   double chisq = 0.0;
 
@@ -151,7 +150,7 @@ double PRunListCollection::GetSingleHistoChisq(const std::vector<double>& par)
 /**
  * <p>
  */
-double PRunListCollection::GetAsymmetryChisq(const std::vector<double>& par)
+double PRunListCollection::GetAsymmetryChisq(const std::vector<double>& par) const
 {
   double chisq = 0.0;
 
@@ -167,7 +166,7 @@ double PRunListCollection::GetAsymmetryChisq(const std::vector<double>& par)
 /**
  * <p>
  */
-double PRunListCollection::GetRRFChisq(const std::vector<double>& par)
+double PRunListCollection::GetRRFChisq(const std::vector<double>& par) const
 {
   double chisq = 0.0;
 
@@ -183,7 +182,7 @@ double PRunListCollection::GetRRFChisq(const std::vector<double>& par)
 /**
  * <p>
  */
-double PRunListCollection::GetNonMusrChisq(const std::vector<double>& par)
+double PRunListCollection::GetNonMusrChisq(const std::vector<double>& par) const
 {
   double chisq = 0.0;
 
@@ -199,7 +198,7 @@ double PRunListCollection::GetNonMusrChisq(const std::vector<double>& par)
 /**
  * <p>
  */
-double PRunListCollection::GetSingleHistoMaximumLikelihood(const std::vector<double>& par)
+double PRunListCollection::GetSingleHistoMaximumLikelihood(const std::vector<double>& par) const
 {
   double mlh = 0.0;
 
@@ -216,7 +215,7 @@ double PRunListCollection::GetSingleHistoMaximumLikelihood(const std::vector<dou
  * <p> Since it is not clear yet how to handle asymmetry fits with max likelihood
  * the chi square will be used!
  */
-double PRunListCollection::GetAsymmetryMaximumLikelihood(const std::vector<double>& par)
+double PRunListCollection::GetAsymmetryMaximumLikelihood(const std::vector<double>& par) const
 {
   double mlh = 0.0;
 
@@ -233,7 +232,7 @@ double PRunListCollection::GetAsymmetryMaximumLikelihood(const std::vector<doubl
  * <p> Since it is not clear yet how to handle RRF fits with max likelihood
  * the chi square will be used!
  */
-double PRunListCollection::GetRRFMaximumLikelihood(const std::vector<double>& par)
+double PRunListCollection::GetRRFMaximumLikelihood(const std::vector<double>& par) const
 {
   double mlh = 0.0;
 
@@ -250,7 +249,7 @@ double PRunListCollection::GetRRFMaximumLikelihood(const std::vector<double>& pa
  * <p> Since it is not clear yet how to handle non musr fits with max likelihood
  * the chi square will be used!
  */
-double PRunListCollection::GetNonMusrMaximumLikelihood(const std::vector<double>& par)
+double PRunListCollection::GetNonMusrMaximumLikelihood(const std::vector<double>& par) const
 {
   double mlh = 0.0;
 
@@ -266,7 +265,7 @@ double PRunListCollection::GetNonMusrMaximumLikelihood(const std::vector<double>
 /**
  * <p>
  */
-unsigned int PRunListCollection::GetTotalNoOfBinsFitted()
+unsigned int PRunListCollection::GetTotalNoOfBinsFitted() const
 {
   unsigned int counts = 0;
 
@@ -434,7 +433,7 @@ PRunData* PRunListCollection::GetNonMusr(unsigned int index, EDataSwitch tag)
  *
  * \param runName
  */
-double PRunListCollection::GetTemp(TString &runName)
+vector< pair<double, double> > PRunListCollection::GetTemp(const TString &runName) const
 {
   return fData->GetRunData(runName)->fTemp;
 }
@@ -447,7 +446,7 @@ double PRunListCollection::GetTemp(TString &runName)
  *
  * \param runName
  */
-double PRunListCollection::GetField(TString &runName)
+double PRunListCollection::GetField(const TString &runName) const
 {
   return fData->GetRunData(runName)->fField;
 }
@@ -460,7 +459,7 @@ double PRunListCollection::GetField(TString &runName)
  *
  * \param runName
  */
-double PRunListCollection::GetEnergy(TString &runName)
+double PRunListCollection::GetEnergy(const TString &runName) const
 {
   return fData->GetRunData(runName)->fEnergy;
 }
@@ -473,7 +472,7 @@ double PRunListCollection::GetEnergy(TString &runName)
  *
  * \param runName
  */
-const char* PRunListCollection::GetSetup(TString &runName)
+const char* PRunListCollection::GetSetup(const TString &runName) const
 {
   return fData->GetRunData(runName)->fSetup.Data();
 }
@@ -487,7 +486,7 @@ const char* PRunListCollection::GetSetup(TString &runName)
  * \param runName name of the run file
  * \param idx msr-file run index
  */
-const char* PRunListCollection::GetXAxisTitle(TString &runName, const unsigned int idx)
+const char* PRunListCollection::GetXAxisTitle(const TString &runName, const unsigned int idx) const
 {
 //cout << endl << ">> PRunListCollection::GetXAxisTitle: runName = " << runName.Data() << ", idx = " << idx;
 //cout << endl << ">> PRunListCollection::GetXAxisTitle: fRunNonMusrList.size() = " << fRunNonMusrList.size();
@@ -521,7 +520,7 @@ const char* PRunListCollection::GetXAxisTitle(TString &runName, const unsigned i
  * \param runName name of the run file
  * \param idx msr-file run index
  */
-const char* PRunListCollection::GetYAxisTitle(TString &runName, const unsigned int idx)
+const char* PRunListCollection::GetYAxisTitle(const TString &runName, const unsigned int idx) const
 {
 //cout << endl << ">> PRunListCollection::GetYAxisTitle: runName = " << runName.Data() << ", idx = " << idx;
 //cout << endl;
diff --git a/src/include/PMsrHandler.h b/src/include/PMsrHandler.h
index 84f71959..76285123 100644
--- a/src/include/PMsrHandler.h
+++ b/src/include/PMsrHandler.h
@@ -47,7 +47,7 @@
 class PMsrHandler
 {
   public:
-    PMsrHandler(char *fileName);
+    PMsrHandler(const char *fileName);
     virtual ~PMsrHandler();
 
     virtual int ReadMsrFile();
diff --git a/src/include/PMusr.h b/src/include/PMusr.h
index fcbccf7b..5cf0ce5d 100644
--- a/src/include/PMusr.h
+++ b/src/include/PMusr.h
@@ -182,8 +182,11 @@ typedef struct {
   TString fRunTitle;               ///< run title
   TString fSetup;                  ///< description of the setup of this run
   double fField;                   ///< magnetic field value
-  double fTemp;                    ///< temperature during the run
+//  double fTemp;                    ///< temperature during the run
+  vector< pair<double, double> > fTemp;    ///< measured temperatures and standard deviations during the run
   double fEnergy;                  ///< implantation energy of the muon
+  double fTransport;               ///< LEM transport settings (Moderator HV)
+  PDoubleVector fRingAnode;        ///< LEM ring anode HVs (L,R[,T,B])
   double fTimeResolution;          ///< time resolution of the run
   PIntVector fT0s;                 ///< vector of t0's of a run
   vector<PDoubleVector> fDataBin;  ///< vector of all histos of a run
diff --git a/src/include/PRunDataHandler.h b/src/include/PRunDataHandler.h
index 70f8ce1c..0b93b911 100644
--- a/src/include/PRunDataHandler.h
+++ b/src/include/PRunDataHandler.h
@@ -47,8 +47,8 @@ class PRunDataHandler
     PRunDataHandler(PMsrHandler *msrInfo, const PStringVector dataPath);
     virtual ~PRunDataHandler();
 
-    virtual bool IsAllDataAvailable() { return fAllDataAvailable; }
-    virtual PRawRunData* GetRunData(TString runName);
+    virtual bool IsAllDataAvailable() const { return fAllDataAvailable; }
+    virtual PRawRunData* GetRunData(const TString &runName);
 
   private:
     PMsrHandler   *fMsrInfo;
diff --git a/src/include/PRunListCollection.h b/src/include/PRunListCollection.h
index 0ea6f4ed..6b2d65b8 100644
--- a/src/include/PRunListCollection.h
+++ b/src/include/PRunListCollection.h
@@ -53,34 +53,34 @@ class PRunListCollection
 
     virtual bool Add(int runNo, EPMusrHandleTag tag);
 
-    virtual double GetSingleHistoChisq(const std::vector<double>& par);
-    virtual double GetAsymmetryChisq(const std::vector<double>& par);
-    virtual double GetRRFChisq(const std::vector<double>& par);
-    virtual double GetNonMusrChisq(const std::vector<double>& par);
+    virtual double GetSingleHistoChisq(const std::vector<double>& par) const;
+    virtual double GetAsymmetryChisq(const std::vector<double>& par) const;
+    virtual double GetRRFChisq(const std::vector<double>& par) const;
+    virtual double GetNonMusrChisq(const std::vector<double>& par) const;
 
-    virtual double GetSingleHistoMaximumLikelihood(const std::vector<double>& par);
-    virtual double GetAsymmetryMaximumLikelihood(const std::vector<double>& par);
-    virtual double GetRRFMaximumLikelihood(const std::vector<double>& par);
-    virtual double GetNonMusrMaximumLikelihood(const std::vector<double>& par);
+    virtual double GetSingleHistoMaximumLikelihood(const std::vector<double>& par) const;
+    virtual double GetAsymmetryMaximumLikelihood(const std::vector<double>& par) const;
+    virtual double GetRRFMaximumLikelihood(const std::vector<double>& par) const;
+    virtual double GetNonMusrMaximumLikelihood(const std::vector<double>& par) const;
 
-    virtual unsigned int GetTotalNoOfBinsFitted();
+    virtual unsigned int GetTotalNoOfBinsFitted() const;
 
-    virtual unsigned int GetNoOfSingleHisto() { return fRunSingleHistoList.size(); }
-    virtual unsigned int GetNoOfAsymmetry()   { return fRunAsymmetryList.size(); }
-    virtual unsigned int GetNoOfRRF()         { return fRunRRFList.size(); }
-    virtual unsigned int GetNoOfNonMusr()     { return fRunNonMusrList.size(); }
+    virtual unsigned int GetNoOfSingleHisto() const { return fRunSingleHistoList.size(); }
+    virtual unsigned int GetNoOfAsymmetry() const   { return fRunAsymmetryList.size(); }
+    virtual unsigned int GetNoOfRRF() const         { return fRunRRFList.size(); }
+    virtual unsigned int GetNoOfNonMusr() const     { return fRunNonMusrList.size(); }
 
     virtual PRunData* GetSingleHisto(unsigned int index, EDataSwitch tag=kIndex);
     virtual PRunData* GetAsymmetry(unsigned int index, EDataSwitch tag=kIndex);
     virtual PRunData* GetRRF(unsigned int index, EDataSwitch tag=kIndex);
     virtual PRunData* GetNonMusr(unsigned int index, EDataSwitch tag=kIndex);
 
-    virtual double GetTemp(TString &runName);
-    virtual double GetField(TString &runName);
-    virtual double GetEnergy(TString &runName);
-    virtual const char* GetSetup(TString &runName);
-    virtual const char* GetXAxisTitle(TString &runName, const unsigned int idx);
-    virtual const char* GetYAxisTitle(TString &runName, const unsigned int idx);
+    virtual vector< pair<double, double> > GetTemp(const TString &runName) const;
+    virtual double GetField(const TString &runName) const;
+    virtual double GetEnergy(const TString &runName) const;
+    virtual const char* GetSetup(const TString &runName) const;
+    virtual const char* GetXAxisTitle(const TString &runName, const unsigned int idx) const;
+    virtual const char* GetYAxisTitle(const TString &runName, const unsigned int idx) const;
 
   private:
     PMsrHandler *fMsrInfo;  ///< keeps all msr file info