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A Source-Container Simulation Environment

Developed in GEANT4 by Kamaha Labs at UCLA

Installation 💽

Requirements:

• Geant4 v11.0.3 (v11)
• Cmake 3.24.2 or later
• Visualizer e.g. Qt5
• Analysis Tool e.g. ROOT7

Installing Geant4 in Ubuntu 22:

Start by opening a Terminal window.

First, install dependencies:

sudo apt install -y qt5-default
sudo apt install -y libxerces-c-dev

sudo apt install -y gfortran
sudo apt install -y python3-dev python3-numpy-dev

sudo apt install -y libxpm-dev libxft-dev libxmu-dev
sudo apt install -y libssl-dev

sudo apt-get install -y libpcre3-dev xlibmesa-glu-dev \
                   libglew1.5-dev libftgl-dev libfftw3-dev libcfitsio-dev \
                   graphviz-dev libxml2-dev libgsl0-dev

sudo apt install -y libfreetype6-dev

For those not found, the Terminal should suggest replacements: install those.

Follow by Upgrading System, as you always should before any installation:

sudo apt update
sudo apt upgrade

Install build-essential and cmake:

sudo apt install -y build-essential
sudo install -y cmake

Clone Geant4 from it's Git repository:

git clone https://gitlab.cern.ch/geant4/geant4.git
cd geant4/

Create a directory on your system for Geant4, ideally including a version number:

sudo mkdir -p /usr/local/geant4/11.x.x
sudo chown -R 'YourUsername' /usr/local/geant4

Now we compile and install:

mkdir geant4-build
cd geant4-build
cmake  -DCMAKE_INSTALL_PREFIX=/usr/local/geant4/11.x.x \
  -DCMAKE_BUILD_TYPE=RelWithDebInfo [ -DGEANT4_BUILD_MULTITHREADED=ON ] \
  -DGEANT4_INSTALL_DATA=ON -DGEANT4_USE_GDML=ON -DGEANT4_USE_QT=ON \
  -DGEANT4_USE_OPENGL_X11=ON [-DGEANT4_USE_FREETYPE=ON] ../geant4

cmake --build . --target install -- -j4

Donzo, Geant4 is now ready for action.

Installing ROOT:

Download the latest version of ROOT, as a TAR file, from the following link: https://root.cern/install/all_releases/

Move the TAR file from Downloads to your root folder, then unpack and install:

sudo tar zxf root_vx.xx.x.Linux-ubuntu22.tar.gz -C /usr/local/
sudo chown -R 'YourUsername' /usr/local/root
chmod +x /usr/local/root/bin/thisroot.*

Running SourceBox 🖥️

Instructions for Ubuntu:

1. Navigate Terminal to .../SourceBox/Build Folder
2. Source Geant4 (Use your geant4 directory):

source /usr/local/geant4/11.0.2/bin/geant4.sh

3. Build using Cmake:

cmake ..

4. Compile:

make

5. Launch Aether (With or without a Macro):

./SourceBox SomeMacro.mac

To use ROOT7 for analysis:

1. Source ROOT:

source /usr/local/root/bin/thisroot.sh

2. Run ROOT with the Output.root file:

root Output.root

Included Macros ⚙️

These macros pertain to the radioactive source stored in the safe:

Cf252

AmBe

Create your own macros by copying these files, and replacing the energy spectrum with that of your source.

Container Materials and Dimensions 🎛️

The included geometry is a steel safe with two inner layers of HDPE, a container used at Kamaha Labs.

 ___________
|   _____   |
|  |  _  |  |
|  | |_| |  |
|  |_____|  |
|___________|

...you get the idea.

To make changes to the geometry, see SourceBox/Construction.cc and refer to comments.