beam bkg

.gitignore

@@ -2,4 +2,4 @@ build.*
 build
 spack*
 ./Generator/output/
-./Generator/options/
+./Generator/options/
\ No newline at end of file

Detector/DetCRD/compact/TDR_o1_v01/TDR_o1_v01-onlyBeamPipe.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<lccdd xmlns:compact="http://www.lcsim.org/schemas/compact/1.0"
+       xmlns:xs="http://www.w3.org/2001/XMLSchema"
+       xs:noNamespaceSchemaLocation="http://www.lcsim.org/schemas/compact/1.0/compact.xsd">
+  <info name="TDR_o1_v01"
+        title="CepC reference detctor for TDR"
+        author="Zhan Li"
+        url="http://cepc.ihep.ac.cn"
+        status="developing"
+        version="v01">
+    <comment>CepC reference detector simulation models used for TDR </comment>
+  </info>
+  
+  <includes>
+    <gdmlFile  ref="${DD4hepINSTALL}/DDDetectors/compact/elements.xml"/>
+    <gdmlFile  ref="../CRD_common_v02/materials.xml"/>
+  </includes>
+  
+  <define>
+    <constant name="world_size" value="10*m"/>
+    <constant name="world_x" value="world_size"/>
+    <constant name="world_y" value="world_size"/>
+    <constant name="world_z" value="world_size"/>
+
+    <include ref="${DD4hepINSTALL}/DDDetectors/compact/detector_types.xml"/>
+  </define>
+
+  <include ref="./TDR_Dimensions_v01_01.xml"/>
+
+  <!--old version, should be check/-->
+  <include ref="../CRD_common_v01/Beampipe_v01_02.xml"/>
+
+  
+  <fields>
+    <field name="InnerSolenoid" type="solenoid"
+           inner_field="Field_nominal_value"
+           outer_field="0"
+           zmax="SolenoidCoil_half_length"
+           inner_radius="SolenoidCoil_center_radius"
+           outer_radius="Solenoid_outer_radius">
+    </field>
+    <field name="OuterSolenoid" type="solenoid"
+           inner_field="0"
+           outer_field="Field_outer_nominal_value"
+           zmax="SolenoidCoil_half_length"
+           inner_radius="Solenoid_outer_radius"
+           outer_radius="Yoke_barrel_inner_radius">
+    </field>
+  </fields>
+
+</lccdd>

Examples/options/detsim_tracker.py

@@ -34,7 +34,7 @@ rndmgensvc.Engine = rndmengine.name()
 dsvc = k4DataSvc("EventDataSvc")
 #geometry_option = "CepC_v4-onlyVXD.xml"
 geometry_option = "CepC_v4_onlyTracker.xml"
-#geometry_option = "CepC_v4.xml"
+# geometry_option = "CepC_v4.xml"
 
 geometry_path = os.path.join(os.getenv("DETCEPCV4ROOT"), "compact", geometry_option)
 geosvc = GeomSvc("GeomSvc")

Examples/options/tracker_analysis.py

-#!/usr/bin/env python
-#Author: Zhan Li <lizhan@ihep.ac.cn>
-#Created [2024-03-07 Thu 14:53]
-
-import ROOT
-import math
-
-#read
-#path1="/scratchfs/atlas/lizhan/cepc/CEPCSW/test-onlyVXD-single.root"
-#path1="/scratchfs/atlas/lizhan/cepc/CEPCSW/test-detsim10.root"
-
-def GetVXDHitMapFromFile(infile_name,out_file_name):
-    file = ROOT.TFile(infile_name)
-    tree = file.Get("events")
-    posx_VXD=[]
-    posy_VXD=[]
-    posz_VXD=[]
-    posr_VXD=[]
-    for entry in tree:
-        for elem in entry.VXDCollection:
-            x=elem.position.x
-            y=elem.position.y
-            z=elem.position.z
-            r = math.sqrt(x*x + y*y)
-            posx_VXD.append(x)
-            posy_VXD.append(y)
-            posz_VXD.append(z)
-            posr_VXD.append(r)
-    file.Close()
-    VXDHitMap = ROOT.TH2F("VXDHitMap","Hit Map of VXD",40,-125,125,20,0,80)
-    for i in range(0,len(posz_VXD)):
-        VXDHitMap.Fill(posz_VXD[i],posr_VXD[i])
-    ofile=ROOT.TFile(out_file_name,"Recreate")
-    VXDHitMap.Write()
-    ofile.Close()
-    
-    
-def GetSITHitMapFromFile(infile_path,out_file_name):    
-    file = ROOT.TFile(infile_path)
-    tree = file.Get("events")
-    posx_SIT=[]
-    posy_SIT=[]
-    posz_SIT=[]
-    posr_SIT=[]
-    for entry in tree:
-        for elem in entry.SITCollection:
-            x=elem.position.x
-            y=elem.position.y
-            z=elem.position.z
-            r = math.sqrt(x*x + y*y)
-            posx_SIT.append(x)
-            posy_SIT.append(y)
-            posz_SIT.append(z)
-            posr_SIT.append(r)
-    file.Close()
-    SITHitMap = ROOT.TH2F("SITHitMap","Hit Map of SIT",200,-2400,2400,20,120,320)
-    for i in range(0,len(posz_SIT)):
-        SITHitMap.Fill(posz_SIT[i],posr_SIT[i])
-    ofile=ROOT.TFile(out_file_name,"Recreate")
-    SITHitMap.Write()
-    ofile.Close()
-
-print("test")
-
-def GetSETHitMapFromFile(infile_path,out_file_name):    
-    file = ROOT.TFile(infile_path)
-    tree = file.Get("events")
-    posx_SET=[]
-    posy_SET=[]
-    posz_SET=[]
-    posr_SET=[]
-    for entry in tree:
-        for elem in entry.SETCollection:
-            x=elem.position.x
-            y=elem.position.y
-            z=elem.position.z
-            r = math.sqrt(x*x + y*y)
-            posx_SET.append(x)
-            posy_SET.append(y)
-            posz_SET.append(z)
-            posr_SET.append(r)
-    file.Close()
-    SETHitMap = ROOT.TH2F("SETHitMap","Hit Map of SET",200,-2400,2400,20,1700,2000)
-    for i in range(0,len(posz_SET)):
-        SETHitMap.Fill(posz_SET[i],posr_SET[i])
-    ofile=ROOT.TFile(out_file_name,"Recreate")
-    SETHitMap.Write()
-    ofile.Close()
-
-
-
-#draw
-def DrawHitMap(in_file_name,TH2name,out_file_name):
-    file = ROOT.TFile(in_file_name)
-    TH2_HitMap=file.Get(TH2name)
-    c = ROOT.TCanvas("c", "c", 800, 800)
-    ROOT.gStyle.SetOptStat(0)
-    TH2_HitMap.GetXaxis().SetTitle("Z [mm]")
-    TH2_HitMap.GetXaxis().SetTitleOffset(0.77)
-    TH2_HitMap.GetXaxis().SetTitleSize(0.05)
-    TH2_HitMap.GetYaxis().SetTitle("R [mm]")
-    TH2_HitMap.GetYaxis().SetTitleOffset(0.8)
-    TH2_HitMap.GetYaxis().SetTitleSize(0.045)
-    TH2_HitMap.Draw("COL Z CJUST SAME")
-
-    c.SaveAs(out_file_name+".root")
-    c.SaveAs(out_file_name+".pdf")
-
-path1="/scratchfs/atlas/lizhan/cepc/CEPCSW/test-SIT.root"
-
-VXDOutFile="/scratchfs/atlas/lizhan/cepc/CEPCSW/VXDHM.root"
-SITOutFile="/scratchfs/atlas/lizhan/cepc/CEPCSW/SITHM.root"
-SETOutFile="/scratchfs/atlas/lizhan/cepc/CEPCSW/SETHM.root"
-GetVXDHitMapFromFile(path1,VXDOutFile)
-GetSITHitMapFromFile(path1,SITOutFile)
-GetSETHitMapFromFile(path1,SETOutFile)
-
-DrawHitMap(VXDOutFile,"VXDHitMap","Full_VXDHM_1evt")
-DrawHitMap(SITOutFile,"SITHitMap","Full_SITHM_1evt")
-DrawHitMap(SETOutFile,"SETHitMap","Full_SETHM_1evt")
\ No newline at end of file

Generator/src/BeamBackgroundFileParserV1.cpp

@@ -27,6 +27,10 @@ BeamBackgroundFileParserV1::BeamBackgroundFileParserV1(const std::string& filena
     m_readTree->SetBranchAddress("cosy", &cosy);
     m_readTree->SetBranchAddress("dp", &dp);
     m_readTree->SetBranchAddress("dz", &dz);
+    m_readTree->SetBranchAddress("pid", &pid);
+    if(m_readTree->GetBranch("cosz")){
+      m_readTree->SetBranchAddress("cosz", &cosz);
+    }
 
     m_rate = rate;
     m_timewindow = timewindow;
@@ -46,14 +50,17 @@ bool BeamBackgroundFileParserV1::load(IBeamBackgroundFileParser::BeamBackgroundD
 
         // Now, we get a almost valid data
         const double m2mm = 1e3; // convert from m to mm
-        result.pdgid = 11;
+        result.pdgid = pid;
         result.x     = x * m2mm;
         result.y     = y * m2mm;
         result.z     = (z+dz) * m2mm;
 
         result.px    = p * cosx;
         result.py    = p * cosy;
-        result.pz    = p * std::sqrt(1-cosx*cosx-cosy*cosy);
+        if(m_readTree->GetBranch("cosz")){
+        result.pz    = p * cosz;}
+        else{
+        result.pz    = p * std::sqrt(1-cosx*cosx-cosy*cosy);}
 
         result.mass  = 0.000511; // assume e-/e+, mass is 0.511 MeV
 

Generator/src/BeamBackgroundFileParserV1.h

@@ -22,7 +22,8 @@ private:
     double m_rate;
     double m_timewindow; 
 
-    double x, y, z, cosx, cosy, dz, dp;
+    double x, y, z, cosx, cosy, dz, dp, cosz;
+    int pid;
 
 };