Daya Bay Muon SystemSimulation and Analysis

Debabrata Mohapatra

Virginia Tech

04/07/2010

Daya Bay Backgrounds

Purpose of Muon System

Daya Bay Muon System

Detailed Geometry

FAR

Near

Muon related Analysis topics (Wei’s List)

Daya Bay Framework: NuWaNuwa is installed at “/home/dayabay/nuwa”

externals

• CMT, Boost

• AIDA, GSL, clhep, XercesC Geant4, OpenMotif, OpenScientist

• Python, Cmake, mysql

• ROOT

Nuwa-release

• lcgcmt, ldm, relax

• Gaudi

• lhcb

• dybgaudi#!/bin/tcsh

pushd /home/dayabay/nuwa/NuWa-trunk

source setup.csh

popd

pushd /home/dayabay/nuwa/NuWa-trunk/dybgaudi/DybRelease/cmt

source setup.csh

popd

Stages of Daya Bay Simulation

Muon fluxes at the three sites are used for event generation

Pass the muon events through Geant4 detector simulation to get hits in PMTs.

Near

Far

How to write Analysis modulein Python

from DybPython.DybPythonAlg import DybPythonAlg

from GaudiPython import SUCCESS, FAILURE

from GaudiPython import gbl

from DybPython.Util import irange

# Make shortcuts to any ROOT classes you want to use

TTree = gbl.TTree

# Define the algorithm

class TreeAlg(DybPythonAlg):

"Tree-writing Python Algorithm"

def __init__(self,name):

DybPythonAlg.__init__(self,name)

return

def initialize(self)

# Initialize services

# Statistics Service: Use for histograms, graphs, trees

# Make a tree

return SUCCESS

def execute(self):

# Access current data

# Set Branch values

# Loop over hits in each detector

# Fill the tree with current branch values

return SUCCESS

def finalize(self):

return status

def configure():

from StatisticsSvc.StatisticsSvcConf import StatisticsSvc

statsSvc = StatisticsSvc()

statsSvc.Output ={"file0":"simHitStats.root"}

return

def run(app):

'''

Configure and add an algorithm to job

'''

app.ExtSvc += ["StatisticsSvc"]

example = TreeAlg("MyTreeExample")

app.addAlgorithm(example)

pass

/home/dayabay/nuwa/NuWa-trunk/tutorial/DivingIn/python/DivingIn

Writing Analysis Package in C++Example: /home/dayabay/nuwa/NuWa-trunk/tutorial/Sim15

Subdirectory

Content

cmt requirementsversion.cmt

src Sim15_entries.ccSim15_load.ccAna15.ccAna15.hValidationTree.ccValidationTree.h

python Sim15/ana.py

share Other scripts

Cmt: configuration management environment

package Sim15

use Stage * Simulation/Fifteen

use ReadoutEvent v* DataModel

use SimReadoutEvent v* DataModel

use SimTrigEvent v* DataModel

use ElecEvent v* DataModel

use SimEvent v* DataModel

use GenEvent v* DataModel

include_dirs "${SIM15ROOT}"

library Sim15 *.cc

apply_pattern component_library library=Sim15

apply_pattern install_python_modules

Requirement file> source /home/dayabay/paths.sh

Copy the tutorial directory

to your home page

Go to Sim15/cmt

> cmt config

It will produce setup scripts for

environment

source setup.sh

And then compile the package using

cmt make

Then go to python/Sim15 to run ana.py

nuwa.py -n -1 -m ana /home/dayabay/montecarlo/muon/MDCMUON_VTEC_D5990.root